2 papers
hep-th2018
Regenesis and quantum traversable wormholes
Ping Gao, Hong Liu
Recent gravity discussions of a traversable wormhole indicate that in holographic systems signals generated by a source could reappear long after they have dissipated, with the nee…
hep-th2018
Ghostbusters: Unitarity and Causality of Non-equilibrium Effective Field Theories
Ping Gao, Paolo Glorioso, Hong Liu
For a non-equilibrium physical system defined along a closed time path (CTP), a key constraint is the so-called largest time equation, which is a consequence of unitarity and impli…