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Werner states and the two-spinors Heisenberg anti-ferromagnet | | J. Batle
; M. Casas
; A. Plastino
; A. R. Plastino
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7 Mar 2006 | | Journal: | Physics Letters A 343, 12 (2005) | | Abstract: | We ascertain, following ideas of Arnesen, Bose, and Vedral concerning thermal entanglement [Phys. Rev. Lett. {f 87} (2001) 017901] and using the statistical tool called {it entropic non-triviality} [Lamberti, Martin, Plastino, and Rosso, Physica A {f 334} (2004) 119], that there is a one to one correspondence between (i) the mixing coefficient $x$ of a Werner state, on the one hand, and (ii) the temperature $T$ of the one-dimensional Heisenberg two-spin chain with a magnetic field $B$ along the $z-$axis, on the other one. This is true for each value of $B$ below a certain critical value $B_c$. The pertinent mapping depends on the particular $B-$value one selects within such a range. | | Source: | arXiv, quant-ph/0603055 | | Services: | Forum | Review | PDF | Favorites | |
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