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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" )

Monday, February 11, 2008

Upcoming Physics Conferences

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

February 20-22: Sources and detection of dark matter and dark energy in the universe (Marina del Rey, California, USA)
February 25-29: Nonequilibrium Phenomena (UC, Santa Barbara)
March 15-22: Moriond Cosmology Rencontre (La Thuile, Italy)
March 18-19: BritGrav 8 (York, UK)
March 24-28: Workshop on classical and quantum information theory (Santa Fe, New Mexico)
March 27-29: Astrophysical Tests of Fundamental Physics (Porto, Portugal)
April 20-25: Loops and legs in quantum field theory (Sondershausen, Germany)
May 7-9: Physics of the Universe (Madrid, Spain)
May 12-16: New paths to quantum gravity (Holbaek Bay, Denmark)
May 18-23: Challenges in particle astrophysics (Blois, France)
May 26-30: 8th intl conference on clifford algebras and their applications in mathematical physics (Campinas, Brazil)
June 2-7: Mathematical aspects of quantum chaos (Montréal, Canada)
June 4-6: Recent Developments in Gravity (Thessaloniki, Greece)
June 6-28: Theory and particle physics: the LHC perspective and beyond (Cargese, France)
June 9-13: Hyperbolic Problems (Maryland)
June 9-13: 16th intl conference on ultrafast phenomena (Stresa, Italy)
June 12-14: Post Newton 2008 (Jena, Germany)
June 13-15: Nature and Ontology (Montreal)
June 15-20: 5th intl conference on new developments in photodetection (Aix-les-Bains, France)
June 16-20: LISA Symposium (Barcelona, Spain)
June 17-25: Intl Fermi School of Physics "measurements of neutrino mass" (Varenna, Italy)
June 23-28: RUSGRAV-13 (Moscow, Russia)
June 27- July 5: Erice Simulation school (Erice, Italy)
June 30- July 4: 6th Euromech nonlinear dynamics conference (St Petersburg, Russia)
June 30-July 4: QG2, Quantum Geometry and Quantum Gravity Conference (Nottingham, UK)
July 7-11: Dark Energy and Dark Matter (Lyon, France)
August 25-29: Geometry and Analysis (Stockholm)
August 25-29: 22nd general conference of the condensed matter division of the European Physical Society (Rome, Italy)
August 26-29: Strong and Electroweak Matter (Amsterdam) Contact: sewm08@science.uva.nl
September 7-12: 100 Years after Minkowski (Bad Honnef, Germany)
September 15-19: Raman scattering in materials science (Warsaw, Poland)

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