Entanglement of multipartite fermionic coherent states for pseudo-Hermitian Hamiltonians
Teoretičeskaâ i matematičeskaâ fizika, Tome 196 (2018) no. 1, pp. 99-116

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We study the entanglement of multiqubit fermionic pseudo-Hermitian coherent states (FPHCSs) described by anticommutative Grassmann numbers. We introduce pseudo-Hermitian versions of well-known maximally entangled pure states, such as Bell, GHZ, Werner, and biseparable states, by integrating over the tensor products of FPHCSs with a suitable choice of Grassmannian weight functions. As an illustration, we apply the proposed method to the tensor product of two- and three-qubit pseudo-Hermitian systems. For a quantitative characteristic of entanglement of such states, we use a measure of entanglement determined by the corresponding concurrence function and average entropy.
Keywords: pseudo-Hermitian, pseudo-fermionic coherent state, pseudo-Bell state, pseudo-GHZ state, pseudo-Werner state.
Mots-clés : entanglement
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     title = {Entanglement of multipartite fermionic coherent states for {pseudo-Hermitian} {Hamiltonians}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
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S. Mirzaei; G. Najarbashi; M. A. Fasihi; F. Mirmasoudi. Entanglement of multipartite fermionic coherent states for pseudo-Hermitian Hamiltonians. Teoretičeskaâ i matematičeskaâ fizika, Tome 196 (2018) no. 1, pp. 99-116. http://geodesic.mathdoc.fr/item/TMF_2018_196_1_a8/