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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" )

Sunday, December 13, 2009

Upcoming Physics Conferences

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

Dec 15-20: Topical Conference on Elementary Particles, Astrophysics, and Cosmology (Fort Lauderdale, Florida, USA)
Jan 04-08: 3rd Intl Workshop On High Energy Physics in the LHC Era (Valparaiso, Chile)
Jan 05-08: 39th Winter Meeting on Statistical Physics (Taxco, Guerrero, Mexico)
Jan 11-15: Essential Cosmology for the Next Generation (Playa del Carmen, Mexico)
Jan 15-17: Axions 2010 (Gainesville, Florida)
Jan 18-20: Winter Workshop on Non-Perturbative Quantum Field Theory (Nice, France)
Jan 26-29: GWDAW14: Gravitational Wave Data Analysis Workshop (Rome, Italy)
Feb 13-20: 38th ITEP Winter School of Physics (Moscow, Russia)
Feb 08-13: 46th Winter School of Theoretical Physics: Quantum Dynamics and Information: Theory and Experiment (Ladek Zdroj, Poland)
Feb 23-26: Gravitational Wave Symposium (John Hopkins U., USA)
Feb 24-26: UCLA Dark Matter 2010 Symposium (Marina del Rey, CA, USA)
Mar 08-10: Cosmology, the Quantum Vacuum, and Zeta Functions (Barcelona, Spain)
Apr 05-09: PDEs, Relativity and Nonlinear Waves (Granada, Spain)
Apr 09-10: Non-Perturbative Quantum Field Theory 2010 (Norman, OK, USA)
May 23-29: Workshop on Advances in Foundations of Quantum Mechanics and Quantum Information with atoms and photons ad memoriam of Carlo Novero (Turin, Italy)
May 30 - Jun 03: Intl Conference on Nanophotonics 2010 (Tskuba, Japan)
Jun 14-17: Advances in Quantum Theory (Vaxjo, Sweden)
Jun 20-26: Theory Meets Data Analysis at Comparable and Extreme Mass Ratios (Waterloo, ON, Canada)
Jun 21-30: D-branes, Effective Actions and Homological Mirror Symmetry (Vienna, Austria)
Jun 23-Jul 03: Quantum Gravity summer school (Morelia, Mexico)
Jun 28-Jul 02: LISA 8 (Stanford University, USA)
Jul 05-09: GR19 (Mexico City, Mexico)
Sep 17-19: Symmetry, Separation, Super-integrability and Special Functions (Minneapolis, MN, USA)

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