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|Title:||A study on the relations between the topological parameter and entanglement|
|Citation:||Sun, C., Xue, K., Wang, G., Wu, C. (2012-10-01). A study on the relations between the topological parameter and entanglement. Physics Letters, Section A: General, Atomic and Solid State Physics 376 (45) : 2873-2879. ScholarBank@NUS Repository. https://doi.org/10.1016/j.physleta.2012.09.043|
|Abstract:||In this Letter, some relations between the topological parameter d and concurrences of the projective entangled states have been presented. It is shown that for the case with d=n, all the projective entangled states of two n-dimensional quantum systems are the maximally entangled states (i.e. C=1). And for another case with d≠n, C both approach 0 when d→+∞ for n=2 and 3. Then we study the thermal entanglement and the entanglement sudden death (ESD) for a kind of Yang-Baxter Hamiltonian. It is found that the parameter d influences not only the critical temperature T c but also the maximum entanglement value that the system can arrive at. And we also find that the parameter d has a great influence on the ESD. © 2012 Elsevier B.V.|
|Source Title:||Physics Letters, Section A: General, Atomic and Solid State Physics|
|Appears in Collections:||Staff Publications|
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