16 citations · 24 across the 2 of their papers we have counts for
2 papers
hep-th2008★ 16 cited
Renormalized Thermal Entropy in Field Theory
Sergio Cacciatori, Fabio Costa, Federico Piazza
Standard entropy calculations in quantum field theory, when applied to a subsystem of definite volume, exhibit area-dependent UV divergences that make a thermodynamic interpretatio…
gr-qc2007★ 8 cited
Volumes of Space as Subsystems
Federico Piazza, Fabio Costa
As a novel approach with possible relevance to semiclassical gravity, we propose to define regions of space as quantum subsystems. After recalling how to divide a generic quantum s…