Completely Positive Maps for Reduced States of Indistinguishable Particles

Autor:	Souza, Leonardo da Silva, Debarba, Tiago, Ferreira, Diego L. Braga, Iemini, Fernando, Vianna, Reinaldo O.
Rok vydání:	2018
Předmět:	Quantum Physics
Zdroj:	Phys. Rev. A 98, 052135 (2018)
Druh dokumentu:	Working Paper
DOI:	10.1103/PhysRevA.98.052135
Popis:	We introduce a framework for the construction of completely positive maps for subsystems of indistinguishable fermionic particles. In this scenario, the initial global state is always correlated, and it is not possible to tell system and environment apart. Nonetheless, a reduced map in the operator sum representation is possible for some sets of states where the only non-classical correlation present is exchange. Comment: 9 pages, 2 figures. In this new version we eliminated a section with a mistaken definition of mutual information for indistinguishable particles, which was not relevant for the main argument of our paper
Databáze:	arXiv
Externí odkaz:	http://arxiv.org/abs/1807.07175 Zobrazit plný text záznamu View this record from Arxiv