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2Physics Quote:
"Can photons in vacuum interact? The answer is not, since the vacuum is a linear medium where electromagnetic excitations and waves simply sum up, crossing themselves with no interaction. There exist a plenty of nonlinear media where the propagation features depend on the concentration of the waves or particles themselves. For example travelling photons in a nonlinear optical medium modify their structures during the propagation, attracting or repelling each other depending on the focusing or defocusing properties of the medium, and giving rise to self-sustained preserving profiles such as space and time solitons or rapidly rising fronts such as shock waves." -- Lorenzo Dominici, Mikhail Petrov, Michal Matuszewski, Dario Ballarini, Milena De Giorgi, David Colas, Emiliano Cancellieri, Blanca Silva Fernández, Alberto Bramati, Giuseppe Gigli, Alexei Kavokin, Fabrice Laussy, Daniele Sanvitto. (Read Full Article: "The Real-Space Collapse of a Two Dimensional Polariton Gas" )

Saturday, April 11, 2009

Upcoming Physics Conferences

[To add an upcoming physics conference to this list, please send an email to 2Physics@gmail.com ]

Apr 12-19: International Conference: String Field Theory and Related Aspects (Moscow, Russia)
Apr 20-23: The Sun, The Stars, The Universe and General Relativity -- Intl conference in honor of Ya. B. Zeldovich 95th Anniversary (Minsk, Belarus)
Apr 27-May 01: Relativity in Astrometry (Virginia Beach, VA, USA)
May 03-17: PhD School on Quantum Information and Many-Body Systems (Cortona, Italy)
May 11-13: Workshop on Theory of Quantum Computation, Communication, and Cryptography (Waterloo, Canada)
May 11-13: Phenomenology 2009 Symposium: LHC Turn On (Madison, WI, USA)
May 11-15: Gravity: Where do we stand? (Como, Italy)
May 19-21: Relativistic Astrophysics (Atlanta, USA)
May 25-29: From the Planck Scale to the Electroweak Scale (Padova, Italy)
May 31-Jun 05: Cosmological Magnetic Fields (Ascona, Switzerland)
Jun 04-05: Standard Model of Universe (Paris, France)
Jun 17-19: Itzykson Meeting on String Theory: Recent Advances in String Theory (Saclay, France)
Jun 18-19 Mathematical Relativity (Lisbon, Portugal)
Jun 21-26: 8th Edoardo Amaldi Conference on Gravitational Waves (NY, USA)
Jun 29-Jul 01: Unity of the Universe (Portsmouth, UK)
Jun 29-Jul 03: Invisible Universe (Paris, France)
Jul 12-18: Marcel Grossmann MG12 (Paris, France)
Jul 14-18: Ultrafast and Nonlinear Optics (Burgas, Bulgaria)
Jul 20-21: International Workshop on Nonlinear Dynamics and Synchronization (Klagenfurt, Austria)
Jul 20-25: 6th International Symposium on Quantum Theory and Symmetries(QTS6) (Lexington, KY, USA)
Jul 26-31: CosmoSTATS 09 (Ascona, Switzerland)
Jul 26-31: Geometry, Field Theory and Solitons (Leeds, UK)
Jul 27-31: New Trends in Quantum Integrable Systems (Kyoto, Japan)
Aug 17-23: Astrophysics and Cosmology after Gamow: Recent progress and new horizons: 4-th Gamow International Conference and 9-th Gamow Summer School "Astronomy and beyond: Astrophysics, Cosmology, Radioastronomy, High Energy Physics and Astrobiology" (Odessa, Ukraine)
Aug 18-28: International Summer School on Astroparticle Physics (Nijmegen, Netherlands)
Aug 21-27: Bogolyubov Conference "Problems of Theoretical and Mathematical Physics" (Moscow-Dubna, Russia)
Aug 30-Sep 03: Joint International Hadron Structure Conference (Tatranska Strba, Slovak Republic)
Sep 02-05: Challenges in Cosmology (Talloires, France)
Sep 07-11: Cosmo-09 (CERN, Geneva)
Sep 14-19: International Workshop on Weak Interactions and Neutrinos (L'Aquila, Italy)
Sep 15-18: Bogolyubov Kyiv Conference "Modern Problems of Theoretical and Mathematical Physics" (Kyiv, Ukraine)
Sep 24-28: International Conference on Electron Dynamics in Semiconductors, Optoelectronics and Nanostructures (Montpellier, France)
Sep 28-Oct 02: Physical Properties of Nanosystems (Yalta, Ukraine)
Oct 08-09: Space, Time and Beyond (Golm, Germany)
Oct 11-14: 50 years of the Aharonov-Bohm Effect: Concepts and Applications (Tel Aviv, Israel)
Oct 26-30: Galileo - Xu Guangqi Meeting on the Sun, the Stars, the Universe and General Relativity (Shanghai, China)
Nov 29-Dec 04: Intl Conference on Hadron Spectroscopy (Tallahassee, FL, USA)
Nov 30-Dec 03: International Symposium on Computational Mechanics (Hong Kong and Macau, China)

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