45083

Автор(ы): 

Автор(ов): 

2

Параметры публикации

Тип публикации: 

Статья в журнале/сборнике

Название: 

Separability and entanglement in the Hilbert space reference frames related through the generic unitary transform for four level system

DOI: 

10.1007/s10773-017-3658-2

Наименование источника: 

  • International Journal of Theoretical Physics

Город: 

  • Moscow

Издательство: 

  • Springer US

Год издания: 

2018

Страницы: 

1-19 https://link.springer .com/article/10.1007/s10773-017-3658-2?wt_mc=Internal.Event.1.SEM.ArticleAuthorOnlineFi
Аннотация
Quantum correlations in the state of four-level atom are investigated by using generic unitary transforms of the classical (diagonal) density matrix. Partial cases of pure state, X-state, Werner state are studied in details. The geometrical meaning of unitary Hilbert reference-frame rotations generating entanglement in the initially separable state is discussed. Characteristics of the entanglement in terms of concurrence, entropy and negativity are obtained as functions of the unitary matrix rotating the reference frame.

Библиографическая ссылка: 

Маркович Л.А., Манько В.И. Separability and entanglement in the Hilbert space reference frames related through the generic unitary transform for four level system // International Journal of Theoretical Physics. 2018. С. 1-19 https://link.springer .com/article/10.1007/s10773-017-3658-2?wt_mc=Internal.Event.1.SEM.ArticleAuthorOnlineFi.