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Construction of genuinely entangled multipartite subspaces from bipartite ones by reducing the total number of separated partiesстатья
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Дата последнего поиска статьи во внешних источниках: 13 июля 2022 г.
- Автор: Antipin K.V.
- Журнал: Physics Letters, Section A: General, Atomic and Solid State Physics
- Том: 445
- Год издания: 2022
- Издательство: Elsevier BV
- Местоположение издательства: Netherlands
- Первая страница: 128248
- DOI: 10.1016/j.physleta.2022.128248
- Аннотация: Construction of genuinely entangled multipartite subspaces with certain characteristics has become a relevant task in various branches of quantum information. Here we show that such subspaces can be obtained from an arbitrary collection of bipartite entangled subspaces under joining of their adjacent subsystems. In addition, it is shown that direct sums of such constructions under certain conditions are genuinely entangled. These facts are then used in detecting entanglement of tensor products of mixed states and constructing subspaces that are distillable across every bipartite cut, where for the former application we include an example with the analysis of genuine entanglement of a tripartite state obtained from two Werner states.
- Добавил в систему: Антипин Константин Владиславович