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February 22, 2024EPL (Europhysics Letters)Open Access

Universality of spectral fluctuations in open quantum chaotic systems

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Authors

CJChandroth P. JishaRPRavi Prakash

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Overview

Randomized analysis reveals universal spectral fluctuations across non-Hermitian ensembles in quantum systems, indicating similarities despite environmental dissipation.

Key Points

  • Universal spectral fluctuations are observed across various quantum chaotic systems and ensembles.
  • The analysis reveals both short-range and long-range correlations using measures like spacing ratio and number variance.
  • A generic method for unfolding non-uniform density spectra is described to evaluate correlations in these quantum systems effectively, showing generalizability across cases with symmetries of OE, UE, and SE types of matrices and systems involved is key for understanding quantum dynamics in dissipation contexts and beyond.

Cite This Study

Jisha et al. (2024) studied this question.

synapsesocial.com/papers/68e780ddb6db6435876f44dbhttps://doi.org/10.1209/0295-5075/ad2c35
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