Quantum Mappings and Characterization of Entangled Quantum States

被引：0
作者：
Filippov S.N. [1 ]
机构：
[1] Moscow Institute of Physics and Technology (State University), Moscow
来源：
Journal of Mathematical Sciences | 2019年 / 241卷 / 2期
关键词：
47N50; 81P40; multi-particle entanglement; positive mapping; quantum channel; quantum entanglement;
D O I：
10.1007/s10958-019-04418-3
中图分类号：
学科分类号：
摘要：
We review quantum mappings used in problems of characterization of entanglement of two-part and multi-particle systems. Together with positive and n-tensorial constant positive mappings, we consider physical dynamical processes that lead to quantum channels that break entanglement, annihilate entanglement, dissociate entanglement of multi-particle states, and prohibit distillation of output states. We introduce a new class of absolutely disentangling channels that provide absolutely separable states at the output, and also characterize a new class of entanglement-imposing channels whose output states are entangled. We present states that are most resistant to loss of entanglement and prove that they may differ from maximally entangled states. © 2019, Springer Science+Business Media, LLC, part of Springer Nature.
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页码：210 / 236
页数：26
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