Thermal radiation from Lorentzian traversable wormholes

TL;DR

This paper establishes thermodynamic laws for Lorentzian wormholes, showing they emit a phantom-like thermal radiation from their throat, similar to black hole radiation, which could serve as an observational signature.

Contribution

It introduces a thermodynamic framework for Lorentzian wormholes and links their radiation to phantom energy processes, expanding understanding of wormhole physics.

Findings

Wormholes obey three thermodynamic laws analogous to black holes.

A phantom-like radiation process is emitted from the wormhole throat.

Wormhole radiation could be used as an observational signature.

Abstract

In this paper we show that, analogously to as it occurs for black holes, there exist three well-defined laws for Lorentzian wormhole thermodynamics and that these laws are related with a thermal phantom-like radiation process coming from the wormhole throat. It is argued that the existence of wormholes could be manifested by means such a radiation. These results are obtained by analyzing the Hayward formalism of spherically symmetric solutions containing trapping horizons, the phenomenon of phantom accretion onto wormholes and the development of phantom thermodynamics.