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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" )

Friday, December 01, 2006

December Physics Conferences

Here is a selected list of Physics conferences in December. You are welcome to freely advertise Physics jobs or conferences in 2Physics by sending an email to 2Physics@gmail.com.

December 4-7: Quantum mechanics:from fundamental problems to applications (Bertinoro, Italy)
December 6-7: Perfik 2006: National Physics Conference 2006 (Kuala Lumpur, Malaysia)
December 11-13: Yukawa-Tomonaga Centennial (Kyoto, Japan)
December 12-15: TSL Expository Lecture Series V: Computational Physical Sciences 2006 (Selangor, Malaysia)
December 16: Paris Nobel Conference 2006 (Paris, France)
December 12-17: Miami topical conference on elementary particles, astrophysics, and cosmology(Fort Lauderdale, Florida, USA)
December 17-19: Intl workshop on neutrino masses and mixings - toward unified understanding of quark and lepton mass matrices (Shizuoka, Japan)
December 25- January 6: 13th Vietnam school of physics (Nha-trang, Vietnam)


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