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Abstract We investigate the critical behavior of geometric measure of quantum discord (GMQD) in a one-dimensional transverse XY spin chain. The critical and the scaling behavior of the ground state… Click to show full abstract
Abstract We investigate the critical behavior of geometric measure of quantum discord (GMQD) in a one-dimensional transverse XY spin chain. The critical and the scaling behavior of the ground state GMQD are investigated both at the multi-critical and Ising critical points. Our results show that the behavior of GMQD at muti-critical point (MCP) has close relation with the path, which is determined by the parameter α, that approaching the MCP. For α
Keywords:
geometric measure;
measure quantum;
quantum discord;
behavior geometric;
critical behavior;
behavior
Journal Title: Chinese Journal of Physics
Year Published: 2019
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Journal Title: Chinese Journal of Physics
Year Published: 2019
Link to full text (if available)
Share on Social Media: Sign Up to like & get
recommendations!