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Entanglement oscillations in open Heisenberg chains

✍ Scribed by Ting Wang; Xiaoguang Wang; Zhe Sun

Book ID
103882807
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
256 KB
Volume
383
Category
Article
ISSN
0378-4371

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The thermal entanglement in a three-qubit Heisenberg XXX spin chains with a impurity site is investigated under an external magnetic field. For a fixed x Γ°x ΒΌ 2 or Γ€2Þ, we discussed the effect of the impurity parameter g and the magnetic field B to the concurrence. The calculation results reveal tha