Quantum roughness as sensitivity to diffusion noise: quantifying non-classicality of multi-mode systems

DOI10.1016/j.physleta.2023.129097MaRDI QIDQ6072129

Adélcio C. Oliveira, Mauricio Reis, Karen M. Fonseca-Romero

Publication date: 12 October 2023

Published in: Physics Letters. A (Search for Journal in Brave)

zbMATH Keywords

roughnessWigner functionsclassicalitymultimode states

Mathematics Subject Classification ID

Semiclassical techniques, including WKB and Maslov methods applied to problems in quantum theory (81Q20) Phase-space methods including Wigner distributions, etc. applied to problems in quantum mechanics (81S30) Nonclassical models (Boolean-valued, sheaf, etc.) (03C90) Applications of rough analysis (60L90)

Cites Work

• Roughness as classicality indicator of a quantum state
• Classical limit of quantum mechanics induced by continuous measurements
• Induced measures in the space of mixed quantum states
• Purity distribution for generalized random Bures mixed states

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