Generalized physically incoherent operations
Creators
- 1. College of Computer Science, Shaanxi Normal University, Xi'an 710062, China
- 2. School of Mathematics and Statistics, Shaanxi Normal University, Xi'an 710062, China
Description
Quantum coherence is an intrinsic property within a single quantum system. Many different coherent resource theories have been proposed to characterize this property within the framework of resource theory. This difference is based on the difference in the identification of "free" operations. In this article, generalized physically incoherent operations, which are strictly contained in the intersection of incoherent operations and dephasing-covariant operations (dephasing-covariant incoherent incoherent operations), are introduced. We characterize the Kraus operators of dephasing-covariant incoherent incoherent operations and generalized physically incoherent operations, and further study the coherent state transformations under generalized physically incoherent operations. Specifically, we investigate the constraints imposed by the rank of the initial state on the extraction of a pure coherent state. Additionally, we present a sufficient condition for the transformation from a mixed state to a pure state ensemble.
Additional details
Identifiers
- DOI
- 10.1103/PhysRevA.109.062424;
- Crossref Funder ID
- 10.13039/501100001809;
Publishing Information
- Journal Title
- Physical Review A
- Journal Volume
- 109
- Journal Issue
- 6
- Journal Page Range
- 14 pgs.
- ISSN
- 1094-1622
INIS
- Country of Publication
- United States
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- Subject category
- S71: CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; S97: MATHEMATICAL METHODS AND COMPUTING;
- Descriptors DEI
- ANNIHILATION OPERATORS; EIGENSTATES; EXTRACTION; INFORMATION THEORY; LIMITING VALUES; MATHEMATICAL EVOLUTION; MIXED STATE; MIXED STATES; PURE STATES; QUANTUM DECOHERENCE; QUANTUM INFORMATION; QUANTUM MECHANICS; QUANTUM OPERATORS; QUANTUM OPTICS; STATISTICAL MECHANICS; TRANSFORMATIONS
- Descriptors DEC
- EVOLUTION; INFORMATION; MATHEMATICAL OPERATORS; MECHANICS; OPTICS; QUANTUM OPERATORS; QUANTUM STATES; SEPARATION PROCESSES
Optional Information
- Copyright
- ©2024 American Physical Society
- Contract/Grant/Project number
- 12071271; 11671244; 62171266
- Notes
- Contact Email: liyongm@snnu.edu.cn; Record automatically processed
- Funding organization
- National Natural Science Foundation of China