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SUMMARY:Exact solutions and critical chaos in dilaton gravity with a bound
 ary
DTSTART:20170217T140000
DTEND:20170217T150000
DTSTAMP:20260506T080642Z
UID:6a54180f2d9c2e07ccaaa67438c881f902445bda7cef2872d0d376ef
CATEGORIES:Conferences - Seminars
DESCRIPTION:Dr Dmitry Levkov (INR RAS)\nWe consider (1+1)-dimensional di
 laton gravity with reflecting\ndynamical boundary. The boundary cuts off t
 he region of strong\ncoupling and makes the model causally similar to the 
 multidimensional\nspherically-symmetric gravity. We\ndemonstrate that this
  model is exactly solvable at the classical level\nand possesses an on-she
 ll SL(2\,R) symmetry. After introducing general\nclassical solution\, we s
 tudy in detail a large class of particular\nsolutions describing reflectio
 n of matter waves off the boundary at\nlow energies and formation of black
  holes at energies above critical. \nWe argue that  despite being exactl
 y solvable\, the model in the\ncritical regime\, i.e. at the verge of blac
 k hole formation\, displays\ndynamical instabilities specific to chaotic s
 ystems.
LOCATION:Cubotron https://plan.epfl.ch/theme/generalite_thm_v2?zoom=20&rec
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STATUS:CONFIRMED
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