Local temperatures and local terms in modular Hamiltonians

  title={Local temperatures and local terms in modular Hamiltonians},
  author={Ra{\'u}l Arias and David Blanco and Horacio Casini and Marina Huerta},
We show there are analogues to the Unruh temperature that can be defined for any quantum field theory and region of the space. These local temperatures are defined using relative entropy with localized excitations. We show important restrictions arise from relative entropy inequalities and causal propagation between Cauchy surfaces. These suggest a large amount of universality for local temperatures, specially the ones affecting null directions. For regions with any number of intervals in two… CONTINUE READING
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