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Open Quantum Systems Decoherence

A comparison of g(1)(τ), g(3/2)(τ), and g(2)(τ), for radiation from harmonic oscillators in Brownian motion with coherent background

arXiv
Authors: Antonin Siciak, Luis A. Orozco, Mathilde Fouché, William Guerin, Robin Kaiser

Year

2020

Paper ID

22268

Status

Preprint

Abstract Read

~2 min

Abstract Words

93

Citations

N/A

Abstract

We compare the field-field g(1)(τ), intensity-field g(3/2)(τ), and intensity-intensity g(2)(τ) correlation functions for models that are of relevance in astrophysics. We obtain expressions for the general case of a chaotic radiation, where the amplitude is Rician based on a model with an ensemble of harmonic oscillators in Brownian motion. We obtain the signal to noise ratios for two methods of measurement. The intensity-field correlation function signal to noise ratio scales with the first power of |g(1)(τ)|. This is in contrast with the well-established result of g(2)(τ) which goes as the square of |g(1)(τ)|.

Why This Paper Matters

  • This paper contributes to the Open Quantum Systems & Decoherence research area in the Quantum Articles archive.
  • It adds a 2020 reference point for readers tracking recent quantum research.
  • We compare the field-field g(1)(τ), intensity-field g(3/2)(τ), and intensity-intensity g(2)(τ) correlation functions for models that are of relevance in astrophysics.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:2007.06470 [2] arXiv https://arxiv.org/abs/2007.06470 [3] Publisher https://arxiv.org/abs/2007.06470

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