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Analytical construction of non local operator for n-qubit Dicke state | Sutapa Saha
; Some Sankar Bhattacharya
; Arup Roy
; Amit Mukherjee
; Ramij Rahaman
; | Date: |
1 Feb 2018 | Abstract: | Entanglement in multipartite quantum systems is much more elusive than its
bipartite counterpart. In recent past the usefulness of multipartite entangled
states in several information theoretic tasks have been demonstrated. Being a
resource, the detection of multipartite entanglement is an imperative
necessity. Among the different classes of multipartite entangled states the
Dicke state has found importance in several tasks due to its permutation
symmetric nature. In this work we propose a simple and elegant way of detecting
n qubit Dicke states using permutation symmetric Bell operators. We conjecture
that maximal expectation value of the operator corresponds to the detection of
Dicke states. | Source: | arXiv, 1802.0214 | Services: | Forum | Review | PDF | Favorites |
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