On Measures of Classicality/Quantumness in Quasiprobability Representations of Finite-Dimensional Quantum Systems

被引：2

作者：

Abbasli, N. ^{[1
,2
]}

Abgaryan, V. ^{[1
,3
,4
]}

Bures, M. ^{[1
,5
]}

Khvedelidze, A. ^{[1
,6
,7
]}

Rogojin, I. ^{[1
]}

Torosyan, A. ^{[1
]}

机构：

[1] JINR, Lab Informat Technol, Dubna, Russia

[2] Azerbaijan Natl Acad Sci, Inst Phys, Baku, Azerbaijan

[3] Alikhanyan Natl Sci Lab YerPHI, Yerevan, Armenia

[4] RUDN Univ, Peoples Friendship Univ Russia, Moscow 117198, Russia

[5] Czech Tech Univ, Inst Expt & Appl Phys, Prague, Czech Republic

[6] TSU, A Razmadze Math Inst, Tbilisi, Georgia

[7] GTU, Inst Quantum Phys & Engn Technol, Tbilisi, Georgia

来源：

PHYSICS OF PARTICLES AND NUCLEI | 2020年 / 51卷 / 04期

关键词：

D O I：

10.1134/S1063779620040024

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

In the present report we discuss measures of classicality/quantumness of states of finite-dimensional quantum systems, which are based on a deviation of quasiprobability distributions from true statistical distributions. Particularly, the dependence of the global indicator of classicality on the assigned geometry of a quantum state space is analysed for a whole family of Wigner quasiprobability representations. General considerations are exemplified by constructing the global indicator of classicality/quantumness for the Hilbert-Schmidt, Bures and Bogoliubov-Kubo-Mori ensembles of qubits and qutrits.

引用

页码：443 / 447

页数：5

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