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         Chaos Special Research Physics:     more detail

21. :: Curriculum Vitae ::
PostDoctoral research Fellow, special research Centre for Computing Technology, Schoolof physics, University of projects based on chaos theory, Bioinformatics
http://www.ph.unimelb.edu.au/~jam/cv.html
Curriculum Vitae CONTENTS: :: Home :: :: Work related links ::
Physics...
Computing...
Other... :: Publications ::
Published Articles...
Conference Proceedings...
Other Articles... :: Ph.D. thesis :: Search News Punt Road End Personal Details Name: John Anthony Luke McINTOSH.
Date and place of birth: 07/04/73. Melbourne, Australia.
Nationality: Australian.
Work address:
Special Research Centre for Quantum Computing Technology, Research Centre for High Energy Physics, School of Physics, University of Melbourne, Victoria 3010. email: j.mcintosh@physics.unimelb.edu.au URL: www.ph.unimelb.edu.au/~jam Academic Background, Scholarships and Prizes Ph.D. in Theoretical Physics, University of Melbourne. Title of thesis: "Analytic Lanczos Methodology and Scaling in Hamiltonian Lattice Gauge Theory". Awarded: Feb. 2001. Awarded Commonwealth/Australian Postgraduate Research Award. Supervisor: Assoc. Prof. L.C.L. Hollenberg. Bachelor of Science: First Class Honours. University of Melbourne. Bachelor of Science, University of Melbourne.

22. Session BA - Chaos In Physics - Fundamental Aspects And Practical Applications.
the concepts underlying chaos control and discuss our research on controlling andJES Socolar, to appear in a special focus issue of chaos) on Control
http://flux.aps.org/meetings/YR97/BAPSSES97/abs/S500.html

Previous session
Next session
Session BA - Chaos in Physics - Fundamental Aspects and Practical Applications.
MIXED session, Thursday afternoon, November 06
Cinema, Sarratt
[BA.01] Chaos in Quantum Many-Body Systems
G.E. Mitchell (NC State University, Raleigh, NC and Triangle Universities Nuclear Laboratory, Durham, NC)
[BA.02] Controlling Chaos in Fast Optical Systems
Daniel J. Gauthier (Duke University, Department of Physics and Center for Nonlinear and Complex Systems, Durham, NC 27708)
[BA.03]
C.A. Grossmann, L.K. McLean, G.E. Mitchell, E.F. Moore, J.D. Shriner (NCSU/TUNL), E.G. Bilpuch, C.R. Westerfeldt (Duke Univ./TUNL), J.F. Shriner Jr. (Tenn.Tech.Univ.), D.C. Powell (UNC/TUNL)
[BA.04] Surface distortion effects on the ground state energy of quantum dot Helium
Babak Etemadi, Mario Encinosa (Florida Aamp;M University) A quantum mechanical particle constrained to a surface experiences a potential in the Schrodinger equation dependent on the first and second fundamental forms of the surface. We use a Monge representation to model particular surfaces and calculate this interaction potential. We then calculate the first order perturbative effect of this term on the ground state energy of a standard model of quantum dot Helium. We find that the energy shift can be highly dependent on the detailed parameterization of the surface distortion. This dependence arises from the Coulomb repulsion between the electron pair causing each electron to preferentially sample (or not sample) regions where physical curvature leads to an appreciable magnitude of the distortion potential.

23. Colloquia And Special Seminars - Dept. Of Physics And Astronomy
David Hobill University of Calgary, chaos, SelfSimilarity Dr. Steven Robertson Candidatefor IPP research Scientist, Recent special Colloquia and Public Lectures.
http://www.phys.uvic.ca/office/Seminars/schedule.html
Department of Physics and Astronomy
Colloquia and Seminars
Departmental colloquia are normally on Wednesdays at 3:30pm in the Elliott Classroom Wing, Room 061, unless otherwise noted below.
Archives of previous Colloquia and Seminars found here
Departmental Colloquia Wednesday
Sept 11 2002 Ell 061 Prof. Vladimir Usov,
Weizmann Institute of Science Cosmological gamma-ray bursts: from discovery to present status Wednesday
Sept 18 2002 Ell 061 Dr. Art Olin,
TRIUMF and UVic Adjunct Professor Awakening the TRIUMF DRAGON Wednesday
Sept 25 2002 Ell 061 Dr. Manuella Vincter
University of Alberta Recent results from HERMES: the state of the art in nucleon spin structure Wednesday
Oct 2 2002 Ell 061 Prof. Victor Flambaum
University of New South Wales Do the fundamental constants of nature vary with time and distance? Wednesday
Oct 9 2002 Ell 061 Prof. Puragra Guhathakurta,
UC Observatories/Lick Observatory, Herzberg Fellow, HIA Galaxies Far and Near: Building Blocks of the Universe Wednesday Oct 16 2002 Ell 061 Prof. Eric Kunze APL, University of Washington

24. Oregon State University Department Of Physics: Research
structure calculations in solids, or chaos and quark by research assistantships underthe research contracts of the available on campus, and special housing is
http://www.physics.orst.edu/PhysicsWeb_2001/Program_Grad/Grads_Prospective/pro_s
Index
  • What kind of preparation is needed? What are the possible degrees? What jobs are available for Physics graduates? What do graduate students do? ... What if the answer to my question is not here? Preparation for Graduate Study : You should have an undergraduate degree in physics or a closely related subject, with a minimum grade-point-average of B or 3.0 (A = best grade = 4.0). Your degree should include undergraduate courses in electromagnetism (level of Griffiths), classical mechanics (Marion), thermal physics (Kittel), and quantum physics (Eisberg or Leighton). If your background is weak in any of these areas, we can arrange for you to spend part of your first year as a graduate student taking some of our advanced undergraduate classes. (return to the index)
    Graduate Degrees : You can earn a M.S. and/or a Ph.D. in physics or a M.S. in Applied Physics. The M.S. usually takes 2 years, and the Ph.D. takes about three additional years beyond the M.S. The M.S. degree can be earned either through thesis or non-thesis options. Entering students who already have a M.S. degree from another institution can usually begin a Ph.D. program immediately. Beginning Fall, 2003, the department will offer a new program leading to a Professional M.S. degree in Applied Physics. (return to the index)
    Employment Outlook : Students who earn graduate degrees in Physics find employment in a variety of industries, in government laboratories, and in academia. Our graduates are presently employed by leading industries and universities in the U.S., and many of our foreign students have returned to their home countries to important academic positions.

25. Oregon State University Department Of Physics
by exploiting ideas from quantum chaos, the study of physics education research hasrevealed consistent and replicable as well as having special properties a
http://www.physics.orst.edu/PhysicsWeb_2001/Seminars/Colloquium/colloquium_winte
The Physics Department Colloquium is held in Weniger 153 at 4:00 p.m. on Mondays unless otherwise noted. Refreshments are served in Weniger 305 at 3:30 p.m. before the Colloquium.
Winter 2003
JAN-06
First day of class No seminar JAN-13 Doug Keszler
(OSU, Chemistry) New Optical and Electronic Materials:
From Single Crystals to Thin Films
JAN-20 Martin Luther King Day No Colloquium JAN-27 Jens Noeckel
(U of Oregon, Physics) Light chaos FEB-03 Ken Krane,
David Bannon
(OSU,Physics) Using a Personal Response System to Make a Class Interactive FEB-10 Mike Raymer (U of Oregon, Physics) Toward single-photon wave-packet engineering using nonlinear optical downconversion FEB-17 Tom Plant (ECE department, OSU) Fiber Bragg Gratings and Their Applications FEB-24 David McIntyre (Physics, OSU) Zeeman-Tuned Slowing of Rubidium Using Circularly Polarized Light MAR-03 TBA MAR-10 David Lind, University of Colorado at Boulder The Physics of Skiing
Send mail to webmaster@physics.orst.edu with problems or comments about this web site.

26. Site Map
Calendar of Events; Seminars; Colloquia; special Events. physics with AcceleratorsMaterials research Science Center Nonlinear Dynamics and chaos Nuclear physics
http://www.physics.umd.edu/maps/

Home
About Us

27. Brown University Department Of Physics
dynamical critical phenomena, dynamical systems, chaos and Feigenbaum demand, advancedinstruction in special areas is 271, 272 SEMINAR IN research TOPICS.
http://www.physics.brown.edu/pages/brochure/gradcourses.htm
Description of Graduate Courses Note: Odd numbered courses are usually offered in the Fall semester, even numbered in the Spring.
201 TECHNIQUES IN EXPERIMENTAL PHYSICS Introduction to modern experimental techniques. Projects in nuclear physics, particle physics, solid state, lowtemperature physics, spectroscopy (radio-frequency, microwave, optical and x-ray) and acoustics. May be taken in either semester. 203 CLASSICAL THEORETICAL PHYSICS I Calculus of variations, Lagrangian Mechanics, Hamiltonian mechanics, Green's functions and distributions, classical fields, classical electrostatics, special functions of mathematical physics. 204 CLASSICAL THEORETICAL PHYSICS II Electrostatics, Maxwell's equations, radiation and scattering, relativistic formulation of electrodynamics. 205 QUANTUM MECHANICS Hamilton's equations, Uncertainty principle, Schrodinger equation, potential well and barrier problems. Harmonic oscillator, angular momentum hydrogen atom. Matrix mechanics. 206 QUANTUM MECHANICS Scattering theory. Approximation methods. Identical particles and spin. Semi-classical theory of radiation. Application to atomic and molecular problems.

28. Department Of Physics
crystals LE Ballentine dynamical chaos, foundations of In certain areas of research,familiarity with to work in biophysics under special arrangements should
http://www.reg.sfu.ca/Calendar/G_Science9.html
SFU Calendar 2002/2003
Table of Contents : searchable with the Find function of your web browser Course Database or Course Outlines
(opens in new window) Office of the Registrar / Student Services Index : searchable with the Find function of your web browser Calendar .pdfs Archived Calendars
Department of Physics
P8429 Shrum Science Centre, 604.291.4465 Tel, 604.291.3592 Fax, http://www.sfu.ca/physics
Chair
M. Plischke BSc (Montr), MPhil (Yale), PhD (Yeshiva)
Graduate Program Chair
H.D. Trottier BSc, MSc, PhD (McG)
Faculty and Areas of Research
See "Department of Physics" on page 207
for a complete list of faculty.
A.S. Arrott* - magnetism, liquid crystals
L.E. Ballentine - dynamical chaos, foundations of quantum mechanics
J.L. Bechhoefer - liquid crystals, soft condensed matter, pattern formation D.H. Boal - statistical mechanics and biophysics C. Bolognesi - semiconductor devices B.P. Clayman - far-infrared properties of solids J.F. Cochran* - surface impedance of metals, ferromagnetism K. Colbow* - thin film semiconductors, microsensors, solid state gas sensors, hydrogen storage materials

29. Research In Semiconductor Physics Institute. Theory Of Solid State Physics Labor
research Prof. Recently we developed the special adiabatic technique for describingthe 2D Such systems are interesting from the quantum chaos point of view.
http://www.pfi.lt/research/lab/KKT_e.html
Theory of Solid State Physics Laboratory
Head Dr. Habil., Prof. Algirdas Matulis
Scientific staff:
Research
Prof. A.Matulis, T.Pyragienë
We investigate the quantum nanostructures, quantum dots and atidots in magnetic field , electron-electron interaction, collective phenomena. The main interest is in application of simple models. Recently we developed the special adiabatic technique for describing the 2D electrons in strong magnetic field. Assuming that all electrons are in the lowest Landau level and making use of two different time scales (the fast cyclotron rotation and slow drift caused by weak electric forces) we derived the effective Schrodinger equation for the description of the slow motion of electrons. The equation is in agreement with the classical Larmor circle drift. We get the quantum corrections of electron motion which correctly describe known collective phenomena - the energy spectrum, Wigner crystallization. We are going to apply this technique for description of various phenomena in quantum nanostructures. We considered the spectrum of 2D electron moving in the perpendicular magnetic field close to the non-penetratable stripe, the simplest antidot with sharp edges. Such systems are interesting from the quantum chaos point of view. It was shown that the Green function and the singular integral equation technique can be successfully applied if one takes into account properly the kernel singuliarity and the wave function peculiarities close to antidot edges. The wave function singularity is even more important then the kernel one. The analytical solution of the above equation was obtained in the asymptotic case of short stripe. The main spectrum features caused by the above mentioned sharp edges were revealed. We hope apply the developed technique for the description of electrons in nanostructures with sharp edges.

30. Theoretical Physics
diagrams whose analysis requires special techniques. Professor Steven Tomsovic's researchfocuses on chaos mechanical propagators, that chaos assists tunneling
http://www.physics.wsu.edu/Research/theory.htm
Physics
Home
Request Application Materials Announcements Academic Courses ... Alumni Theoretical Research Groups
Professor Michael Miller
Professor Michael Miller is a condensed matter theorist whose interests include the statistical mechanics of model nonlinear systems, classical and quantum liquid surfaces and interfaces. Recently Professor Miller has been examining the equation of state of 3He in surface states in superfluid 4He films, a two-dimensional fermi liquid. This work requires developing new techniques for treating a strongly-correlated, inhomogeneous fermion system with a frequency dependent effective interaction. In addition, he is studying the ground-states of classical systems with competing length scales. This system can have enormously complicated phase diagrams whose analysis requires special techniques.
Professor Steven Tomsovic
Comments and questions: physics@wsu.edu
© 1996 Washington State University.
Document last modified 05 February, 2003
Electronic Publishing and Appropriate Use Policy

31. OSU Physics: Calendar Of Events
Using research on Student Difficulties to Develop Effective Quantum chaos wave functionstructure, localization, and 2003 at 0930 Type special Colloquium.
http://www.physics.ohio-state.edu/calendar/
Monthly Calendar of Events
Click on a Day to see events for that day or go to the list of Seminars and Colloquia April 2003
Sun Mon Tue Wed Thu Fri Sat
Universal Dynamics in a Strongly Interacting Fermi Gas
Who: John Thomas - (Duke University)
Where: Main Campus, Smith Lab, Room 1005
When: Tuesday, April 1, 2003 at 03:30
Type: Colloquium Description: Recent theory suggests that strongly interacting Fermi systems exhibit universal behavior. Hence, experiments which explore the dynamics of strongly interacting... [More]
Early Universe QCD Chiral Phase Transition and Cosmic Microwave Background Correlations
Who: Leonard Kisslinger - (Carnegie Mellon)
Where: Main Campus, 4079 Smith Lab
When: Wednesday, April 2, 2003 at 03:30
Type: HEP/Astro Seminar Description: There are now strong arguments that the QCD phase transition is first order, and that the hadronic phase of the... [More]
Strange Quarks in Color Superconductors
Who: Jeff Bowers - (MIT)
Where: Main Campus, 4079 Smith Lab
When: Friday, April 4, 2003 at 10:30
Type: Nuclear Seminar Description: Cold dense quark matter is a color superconductor. At high densities the preferred phase is the color-flavor-locked (CFL) phase...

32. Department Of Physics
model, the master equation, transport in solids, and chaos. special TOPICS IN physics(30). Topics in physics from areas in which active research is being
http://www.uta.edu/gradcatalog/physics

Department of Physics
www.uta.edu/physics Admission Criteria M.S. Degree Requirements Ph.D. Degree Requirements ... Courses
This listing is available in a PDF Document
Areas of Study and Degrees
Physics M.S. Physics and Applied Physics Ph.D. Mathematical Sciences Ph.D. (See Interdepartmental and Intercampus Programs.)
Master's Degree Plans
Thesis and Non-Thesis
Chair
John L. Fry
108 Science Hall, 817-272-2266
Graduate Advisor (M.S. Programs)
Q. Zhang
202B Science Hall, 817-272-2020
Graduate Advisor (Ph.D. Programs)
A. K. Ray
102E Science Hall, 817-272-2503
Graduate Faculty
Professors Black, Fry, Koymen, Musielak, Ray, Rubins, Sharma, Weiss, West, White Associate Professors De, Zhang Assistant Professors Brandt, Cuntz, Yu
Objective
The objective of graduate work in physics is to prepare the student for continued professional and scholarly development as a physicist. The Physics MS Degree Programs are designed to give the student advanced training in all fundamental areas of physics through formal courses and the options of some degree of specialization or participation in original research in one of a variety of projects directed by the faculty. The Doctor of Philosophy in Physics and Applied Physics Program combines the traditional elements of a science doctoral program with courses in specifically applied topics and internship in a technological environment. It is designed to produce highly trained professionals with a broad perspective of the subject which may prepare them equally well for careers in academic or in government or industrial laboratories. Current research in the department is predominantly in the areas of condensed matter physics, materials science, and high-energy physics and includes a wide range of theoretical work in solid state physics and experimentation in laser physics, optics, positron physics, solid state and surface physics, and high-energy physics.

33. S. Sridhar Research Profile
but is currently a very active area of research. P.Pradhan and S.Sridhar, PhysicaScripta special Issue Nobel Symposium on Quantum chaos Y2K , 2001.
http://www.physics.neu.edu/faculty/sridhar.html
Srinivas Sridhar
College of Arts and Sciences Distinguished Professor
Ph.D., Calif. Inst. of Tech., 1983
srinivas@neu.edu
Research Summary:
Professor Sridhar's principal areas of research are Quantum Chaos and Superconductivity. Quantum and Electromagnetic Chaos: The field of Quantum Chaos is still in its infancy, but is currently a very active area of research. The main thrust of Professor Sridhar's program is to explore, via electromagnetic experiments, the manifestations of classical chaos in wave mechanics. Some significant results have emerged, such as the first direct observation of "scars" which were predicted theoretically in 1984 but were observed by him for the first time in 1991. More recently this work has led to an experimental verification of a mathematical theorem on "Hearing the Shape of Drums". Professor Sridhar's group is now looking at the role of chaos and disorder in organizing quantum wave functions. Besides addressing very fundamental issues in Quantum Mechanics, the work also has potential for applications in electromagnetic systems. High Tc Superconductivity: The high temperature superconductors which were discovered in 1986 still continue to pose major challenges to scientists. The mystery of the correct mechanism of superconductivity is still unsolved, and the nature of the superconducting state and the dynamics of vortices continue to be debated intensely. Professor Sridhar and his associates study the microwave response of superconductors, both for understanding the nature of superconductivity and the dynamics of vortices, and for practical applications in microwave devices.

34. Syllabus For Physics 213/Computer Science 264 Introduction To Nonlinear Dynamics
Topics Overview of chaos and Dynamical systems; Onedimensional flows (vector fields,fixed points special topics (recent research, applications); Final
http://www.phy.duke.edu/courses/213/syllabus-02/
Next: About this document ...
Syllabus for Physics 213/Computer Science 264
Introduction to Nonlinear Dynamics
Anna L. Lin
Assistant Professor of Physics
Office Hours: WF 12:40-2:00, Physics Rm. 069
e-mail: alin@phy.duke.edu, ph: 660-2546
Brian Utter
Postdoctoral research associate
Office Hours: TTh 3:30-4:30 PM, Physics Rm. 068 or 070
e-mail: utter@phy.duke.edu, ph: 660-2553 Fall Semester, 2002 This course is a graduate-level introduction to nonlinear dynamics, the study of the stability and the properties of physical, chemical and biological systems that evolve in time.
Topics:
  • Overview of Chaos and Dynamical systems One-dimensional flows (vector fields, fixed points, linear stability analysis, initial conditions) Bifurcations Two-dimensional flows (phase plane, limit cycles, bifurcations) One-dimensional maps Strange attractors and fractal dimensions Dynamical properties of chaotic systems (phase space, manifolds, Lyaponov exponents, time series analysis,control) Special topics (recent research, applications) Final project on NLD topic of your choice
  • Time and Place: MWF 11:50 AM - 12:40 PM, Physics Rm. 158

    35. FIU Department Of Physics: Ph.D. Program
    Quantum Mechanics II PHY 6935, Graduate research Seminar. PHY 5235, Nonlinear Dynamicsand chaos PHY 5446 5506, Plasma physics PHZ 5606, special Relativity PHZ
    http://www.fiu.edu/physics/Academics/PhysPhd.html
    Ph.D. Program
    Get an Application Form here!
    Research:
    Graduate students participate in research in one of several fields including molecular, experimental and theoretical solid-state, condensed matter, experimental and theoretical biophysics, experimental and theoretical nuclear physics, and astronomy. The department operates a molecular beam scattering laboratory, a solid-state laboratory, a bio-optics research laboratory, a nanostructures laboratory, and a nuclear physics detector laboratory. The department is a member of the SARA consortium operating a 1-meter class telescope on Kitt Peak.
    Curriculum:
    Applicants to the physics Ph.D. program will submit completed applications to the Department of Physics Graduate Committee, chaired by the Graduate Program Director and including a faculty representative from each research group. The graduate committee will admit students who meet the following requirements: Admission Requirements: 1. Students entering the Doctoral Program must have a B.S. or M.S. degree or the equivalent in Physics or a closely related discipline.

    36. Physics Around The World: Education And Online Material
    science museums and planetariums have special educational programs. Just Plane chaosJust Plane chaos is an consortium of educational and research organizations
    http://physics.hallym.ac.kr/physics-services/physics_education2.html
    P hysics A round the W orld
    Education and Online Material
    T his P age: R esearch R esources ... ther S ee A lso: M eetings S ummer ... un stuff M ore: I ndex J ournals ... omment Check the Software page for physics/science education related software. Also, some science museums and planetariums have special educational programs. Note: This page is not limited to K-12, or to any other education resources see especially the online material section below.
    The Physics Olympiad
    Research in Physics Education

    37. PHYSICS
    What constitutes chaotic behavior, detection of chaos in real outside speakers ontopics of special interest. research for junior and senior students under the
    http://www.rose-hulman.edu/Catalog/physics_desc.htm
    PHYSICS Professors Bunch, Ditteon, Duree, Joenathan, Kirkpatrick, Kirtley, McInerney, Moloney, Siahmakoun, Syed, Wagner, West, and Western. NOTE: In courses which include a laboratory, satisfactory completion of the laboratory work is required in order to pass the course. PH 111 Physics I 3 2 R-1 2-4C F,W Coreq: MA 111 Newtons laws of motion, gravitation, Coulomb’s law, Lorentz force laW,Strong and weak nuclear forces, conservation of energy and momentum, torque and angular momentum, relevant laboratory. PH 112 Physics II 3 2L-4C W,S Pre: PH 111 and MA 111; Co: MA 112 Oscillations, one-dimensional waves, introduction to quantum mechanics, electric fields and potentials, electric current and resistance, DC circuits, capacitance, relevant laboratory experiments. PH 113 Physics III 3 2L-4C S,F Pre: PH 112 and MA 112; Coreq: MA 113 Sources of magnetic fields, Faraday’s law, inductance electromagnetic waves, reflection and polarization, geometric and physical optics, introduction to relativity, relevant laboratory experiments. PH215 Introduction to CHAOS 2R-0L-2C W What constitutes chaotic behavior, detection of chaos in real systems using phase space plots, Poincare sections, bifurcation plots, power spectra, Lyupunov exponents, and computer simulation of chaotic systems.

    38. Physics 200 Special Topics
    physics 200 special Topics Cutting Edge physics research Updates. From theAmerican frame dragging. Entropy, chaos and Fractals. Check
    http://lafite.phys.uregina.ca/ugrad/classes/phys200/aip.html
    Physics 200 Special Topics Cutting Edge Physics Research Updates.
    From the American Institute of Physics
    and The Economist
    Physics News Update
    The American Institute of Physics Bulletin of Physics News
    Quantum Physics: Complementarity Principle
    The newest experimental results on Bohr's complemenentarity principle for electrons.
    Superconductivity application -II
    Production of large magnetic fields using nanorod-superconductor composites
    Superconductivity application - I
    Ordinary friction depends on superconductivity
    Auto-shading in windows
    A new technology in photoelectrochromic cells
    3-D Full-Colour Display
    This could really change the concept of home theater entertainment
    For your new Hi-Fi system?
    The latest in hi-fi technology
    Einstein a drag? Surely, no!
    Spinning celestial objects drag the space around them: relativistic frame dragging
    Entropy, Chaos and Fractals
    Check out effects explaining the disorder in the universe: chaos theory and fractals.
    Superfluid Helium-3!
    Number 290 (Story #1), October 9, 1996 by Phillip F. Schewe and Ben Stein

    39. Max Planck Society -- Research News Release
    that make laser light so special, a resonator pattern is a consequence of chaos, inducedby Capasso, head of the Semiconductor physics research department, and
    http://www.mpg.de/news98/news9.htm
    Chaos comes to light in asymmetric microlasers, making them a thousand times more powerful
    In the June 5, 1998 cover story of "Science", researchers from the Max Planck Institute for the Physics of Complex Systems in Dresden/Germany, Yale University in New Haven, Connecticut, and Lucent Technologies' Bell Laboratories in Murray Hill, New Jersey, report on an innovative laser design which relies on the presence of chaotic light rays inside a resonator with a cross section close to the width of a human hair. At roughly 0.05 millimeter diameter, the tiny cylinders made of semiconductor material are among the smallest ever made, belonging to a class of microlasers that have been pioneered by Sam McCall, Richard Slusher and coworkers at Bell Labs in the early Nineties. Already, larger semiconductor lasers are at the heart of numerous everyday items, such as CD players. The key difference between these conventional devices and the microlaser lies in the shape: to create the perfectly synchronized photons that make laser light so special, a resonator has to be formed by trapping the light. The early pioneering microresonators consisted of perfectly round disks that can store light in wavefronts circulating around the rim - squeezed toward the edge like the passengers of a runaway merry-go-round, but nonetheless caught for great lengths of time. What holds back the light is total internal reflection, the same effect that makes the surface of a calm swimming pool look like a shiny mirror to a diver submerged in the water. The new laser design still uses this effect because it is the key to a small resonator volume, but traps the light in a bowtie-shaped pattern which is unlike anything that can be achieved with round resonators. The very existence of this unconventional lasing pattern is a consequence of chaos, induced by the highly oval cross section with which the semiconductor microcylinders have now been fabricated by Bell Labs scientists Claire Gmachl, Federico Capasso, Deborah Sivco, Alfred Cho and Jérôme Faist (who is now with the Université de Neuchâtel, Switzerland).

    40. BMC . Graduate School Of Arts & Sciences
    molecular physics, quantum optics, gas laser theory, nonlinear dynamics, and chaos. Moreinformation about the research programs special Skills Requirements.
    http://www.brynmawr.edu/gsas/fields_study/physics.shtml
    Physics Physics homepage
    Facilities

    Prerequisites

    Fields of Study
    ...
    Graduate Seminars and Courses
    The program is designed to give each student both a broad background in physics and a high degree of expertise in a chosen field of research. The department is small, and to provide a breadth of coverage in physics, the faculty members have different specialties covering a variety of topics and research interests. Students and faculty members work closely together. The formal graduate course work is handled in small courses or tutorials which can be tailored to the needs of the students. Students may also take introductory or advanced graduate courses at the University of Pennsylvania or at Drexel University in nearby Philadelphia (about thirty minutes by car or train). Some research projects are of an interdisciplinary nature, involving two or more groups in the Physics, Biology, Mathematics, and Chemistry Departments. In the past 20 years (1980-2001), the Physics Department has awarded 19 Ph.D.s and 21 M.A.s. Most of these degree recipients are currently employed as physicists. Many have held postdoctoral fellowships. Some are on college or university faculties, and others are employed by industry or government. Research in the department has been recognized and sponsored by funding from agencies such as the National Science Foundation, the National Institutes of Health, the American Chemical Society, Research Corporation and the North Atlantic Treaty Organization. The Physics Department's research programs have also been supported by a variety of generous grants to Bryn Mawr College from many corporations, foundations, and private individuals. The facilities and equipment available for experimental research are of high quality and enable each research group to remain competitive in its area. Graduate students find a supportive and stimulating environment.

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