Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.physleta.2012.09.043
Title: A study on the relations between the topological parameter and entanglement
Authors: Sun, C.
Xue, K.
Wang, G.
Wu, C. 
Keywords: Entanglement
Temperley-Lieb algebra
Topological parameter
Yang-Baxter system
Issue Date: 1-Oct-2012
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
URI: http://scholarbank.nus.edu.sg/handle/10635/116912
ISSN: 03759601
DOI: 10.1016/j.physleta.2012.09.043
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