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Non-equilibrium thermal entanglement in a two-particle system

✍ Scribed by Ghesquière, Anne; Sinayskiy, Ilya; Petruccione, Francesco

Book ID
120970592
Publisher
Royal Swedish Academy of Sciences
Year
2012
Tongue
English
Weight
360 KB
Volume
T151
Category
Article
ISSN
0031-8949

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We calculate an entanglement witness for a disordered spin system using the method of functional many-body perturbation theory, comparing the effect of taking a quenched and an annealed average over the disorder. We find, on considering the example of an XX Heisenberg spin chain with a Dzyaloshinski