Zobrazeno 1 - 4
of 4
pro vyhledávání: '"Anant V. Varma"'
Publikováno v:
Quantum Information Processing. 21
An effective two-spin density matrix (TSDM) for a pair of spin-$1/2$ degree of freedom, residing at a distance of $R$ in a spinful Fermi sea, can be obtained from the two-electron density matrix following the framework prescribed in Phys. Rev. A 69,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e17d2ba4dfc73f8c8b9c75390e87e748
https://doi.org/10.1007/s11128-022-03718-z
https://doi.org/10.1007/s11128-022-03718-z
We study Leggett-Garg inequalities (LGIs) for a two level system (TLS) undergoing Markovian dynamics described by unital maps. We find analytic expression of LG parameter $K_{3}$ (simplest variant of LGIs) in terms of the parameters of two distinct u
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1e0a10d9d26f8fbca5f7496f90b752ef
http://arxiv.org/abs/2110.10696
http://arxiv.org/abs/2110.10696
Publikováno v:
Journal of Physics A: Mathematical and Theoretical. 54:115301
We study the dynamics of a non-Hermitian PT- symmetric Hamiltonian of a two level system (TLS) which has real eigenvalues. Within the framework of Hermitian quantum mechanics, it is known that maximal violation of Leggett–Garg inequality (LGI) is b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f82233b7e43d87b0537ae0f5d0c9db6
https://doi.org/10.1088/1751-8121/abde76
https://doi.org/10.1088/1751-8121/abde76
Publikováno v:
Modern Physics Letters B. 33:1950394
Presence of entangled states is explicitly shown in a topological insulator (TI) [Formula: see text]. The surface and bulk state are found to have different structures of entanglement. The surface states live as maximally entangled states in a four-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::65e90b0b4cd5ac4e08a1b2f811732289
https://doi.org/10.1142/s0217984919503949
https://doi.org/10.1142/s0217984919503949