Even and Odd Cat States of Two and Three Qubits in the Probability Representation of Quantum Mechanics-Reference-Cited by-同舟云学术

Even and Odd Cat States of Two and Three Qubits in the Probability Representation of Quantum Mechanics

Published:2024-05-31 Issue:6 Volume:26 Page:485
ISSN:1099-4300
Container-title:Entropy
language:en
Short-container-title:Entropy

Author:

Mechler Matyas¹²^ORCID,Man’ko Margarita A.³^ORCID,Man’ko Vladimir I.³^ORCID,Adam Peter¹²^ORCID

Affiliation:

1. Institute for Solid State Physics and Optics, HUN-REN Wigner Research Centre for Physics, P.O. Box 49, H-1525 Budapest, Hungary

2. Institute of Physics, University of Pécs, Ifjúság Útja 6, H-7624 Pécs, Hungary

3. Lebedev Physical Institute, Leninskii Prospect 53, Moscow 119991, Russia

Abstract

We derive the probability representation of even and odd cat states of two and three qubits. These states are even and odd superpositions of spin-1/2 eigenstates corresponding to two opposite directions along the z axis. The probability representation of even and odd cat states of an oscillating spin-1/2 particle is also discussed. The exact formulas for entangled probability distributions describing density matrices of all these states are obtained.

Funder

National Research, Development and Innovation Office, Hungary

Publisher

MDPI AG

Link

https://www.mdpi.com/1099-4300/26/6/485/pdf

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