Parameterizing density matrices for composite quantum systems
Erwin Bruening, Dariusz Chruscinski, Francesco Petruccione
TL;DR
This paper introduces a new parametrization method for density matrices of bipartite quantum systems, leveraging recent unitary group parametrization, aiming to facilitate the analysis of quantum properties in complex systems.
Contribution
It proposes a novel parametrization of bipartite density matrices based on Jarlskog's unitary group parametrization, enabling advanced study of quantum properties.
Findings
Provides a new parametrization framework for bipartite density matrices.
Potential applications in analyzing quantum correlations and entanglement.
Lays groundwork for future research in many-partite quantum systems.
Abstract
A parametrization of density operators for bipartite quantum systems is proposed. It is based on the particular parametrization of the unitary group found recently by Jarlskog. It is expected that this parametrization will find interesting applications in the study of quantum properties of many partite systems.
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Taxonomy
TopicsQuantum Information and Cryptography · Quantum Mechanics and Applications · Quantum Computing Algorithms and Architecture