A Kms-like State of Hadamard Type on Robertson-walker Spacetimes and Its Time Evolution

  • Mathias Trucks
  • Published 1998


In this work we deene a new state on the Weyl algebra of the free massive scalar Klein-Gordon eld on a Robertson-Walker spacetime and prove that it is a Hadamard state. The state is supposed to approximate a thermal equilibrium state on a Robertson-Walker spacetime and we call it an adiabatic KMS state. This opens the possibility to do quantum statistical… (More)


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