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Open Quantum Systems Decoherence

Photon number conservation in time dependent systems

arXiv
Authors: J B Pendry

Year

2022

Paper ID

59021

Status

Preprint

Abstract Read

~2 min

Abstract Words

73

Citations

N/A

Abstract

Time dependent systems in general do not conserve photons nor do they conserve energy. However when parity time symmetry holds Maxwells equations can sometimes both conserve photon number and energy. Here we show that photon conservation is the more widely applicable law which can hold in circumstances where energy conservation is violated shedding further light on an amplification mechanism identified in previous papers as a process of conserved photons climbing a frequency ladder.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2022 reference point for readers tracking recent quantum research.
  • Time dependent systems in general do not conserve photons nor do they conserve energy.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2209.11576 [2] arXiv https://arxiv.org/abs/2209.11576 [3] Publisher https://arxiv.org/abs/2209.11576

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