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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, October 01, 2007

Upcoming Physics Conferences

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

October 1-5: Planets to Dark Energy (Manchester,UK)
October 8-14: Advanced string school (Bhubaneswar, India)
October 11-13: Algebra, geometry, and mathematical physics (Göteborg, Sweden)
October 24-26: Decrypting the universe (Edinburgh, UK)
October 28-November 2: 7th intl conference on complex systems (Boston, MA)
November 4-10: Noise, information and complexity at quantum scale (Erice, Sicily, Italy)
November 14-16: Euroflavour 07 - annual meeting of the flavianet European network (Orsay, France)
November 21-24: Combinatorial physics (Kraków, Poland)
November 30- December 2: Vienna Central European seminar on particle physics and quantum field theory, "commutative and noncommutative quantum fields" (Vienna, Austria)
December 4-9: Intl conference on magnetic materials (Kolkata, India)
December 10-13: Strings and superstrings in observational cosmology (Paris, France)
December 13-18: Topical conference on elementary particles, astrophysics, and cosmology (Miami, Florida)
December 17-21: 6th International Conference on Gravitation and Cosmology (Pune, India)
January 15-25: 2nd Asian winter school on string theory (Kusatsu-Machi, Agatsuma-Gun Gunma, Japan)
January 21-25: Microlensing meeting (Manchester, UK)
February 8-16: 11th intl Moscow school of physics (Moscow, Russia)
February 20-22: Sources and detection of dark matter and dark energy in the universe (Marina del Rey, California, USA)
April 20-25: Loops and legs in quantum field theory (Sondershausen, Germany)
May 12-16: New paths to quantum gravity (Holbaek Bay, Denmark)
May 26-30: 8th intl conference on clifford algebras and their applications in mathematical physics (Campinas, Brazil)
June 12-14: Post Newton 2008 (Jena)
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 30- July 4: 6th Euromech nonlinear dynamics conference (St Petersburg, Russia)

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