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Open Quantum Systems Decoherence Quantum Thermodynamics

Landauer's principle and information at the cosmological horizon

arXiv
Authors: Oem Trivedi

Year

2024

Paper ID

65142

Status

Preprint

Abstract Read

~2 min

Abstract Words

111

Citations

N/A

Abstract

We show that the information loss at the cosmological apparent horizon in an expanding universe does not obey Landauer's principle for efficient information erasure. This is in contrast to what happens for black holes, where the principle is upheld exactly. We discuss about the implications this result provides for the differences between information loss at black holes and that at the cosmological apparent horizon, which we term the "Cosmological Information Paradox". We also discuss how this result may point towards incompleteness of quasi-local descriptions of energy and could also point towards different thermodynamic settings in gravitational systems and how information thermodynamics as we know it may have limits to its applicability.

Why This Paper Matters

  • This paper contributes to the Quantum Thermodynamics research area in the Quantum Articles archive.
  • It adds a 2024 reference point for readers tracking recent quantum research.
  • We show that the information loss at the cosmological apparent horizon in an expanding universe does not obey Landauer's principle for efficient information erasure.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2407.15231 [2] arXiv https://arxiv.org/abs/2407.15231 [3] Publisher https://arxiv.org/abs/2407.15231

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