Time dependent black holes and thermal equilibration

Dongsu Bak, Michael Gutperle, Andreas Karch

Research output: Contribution to journalArticlepeer-review

28 Scopus citations


We study aspects of a recently proposed exact time dependent black hole solution of IIB string theory using the AdS/CFT correspondence. The dual field theory is a thermal system in which initially a vacuum density for a non-conserved operator is turned on. We can see that in agreement with general thermal field theory expectation the system equilibrates: the expectation value of the non-conserved operator goes to zero exponentially and the entropy increases. In the field theory the process can be described quantitatively in terms of a thermofield state and exact agreement with the gravity answers is found.

Original languageEnglish
Article number034
JournalJournal of High Energy Physics
Issue number12
StatePublished - 1 Dec 2007


  • AdS-CFT correspondence
  • Black holes


Dive into the research topics of 'Time dependent black holes and thermal equilibration'. Together they form a unique fingerprint.

Cite this