2 papers
hep-th2021
Entanglement entropy of a superflow
Sergei Khlebnikov, Akhil Sheoran
We consider the theory of free Dirac fermions with a uniformly winding mass, , in two spacetime dimensions. This theory (which describes for instance a superconducti…
hep-th2019
The first heat: production of entanglement entropy in the early universe
Sergei Khlebnikov, Akhil Sheoran
Entanglement entropy (EE) of a spatial region quantifies correlations between the region and its surroundings. For a free scalar in the adiabatic vacuum in de Sitter space the EE i…