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Informal Pizza SeminarTachyon condensation at c=1Joanna L KarczmarekHarvard UniversityI will review the c=1 matrix model, and the recent solutions corresponding to time dependent backgrounds. I will then focus on one such background, where the matrix model has an exact quantum solution corresponding to closed string tachyon condensation along a null surface. The condensation occurs, and spacetime dissolves, at a finite retarded time on I+. I will also describe other time dependent solutions, including finite extent evolving cosmological solutions.
Friday, May 7th 2004, 13:00
Ernest Rutherford Physics Building, room 326 |