Nonadditive entropy for random quantum spin-S chains

Details Nonadditive entropy for random quantum spin-S chains Nonadditive entropy for random quantum spin-S chains

2009-12-18

arxiv.org/abs/0912.3718v2

Phys. Lett. A 374, 3384 (2010)

Physics

Quantum Physics

5 pages, 7 figures. v3: Minor corrections and references updated. Published version

Scientific paper

We investigate the scaling of Tsallis entropy in disordered quantum spin-S
chains. We show that an extensive scaling occurs for specific values of the
entropic index. Those values depend only on the magnitude S of the spins, being
directly related with the effective central charge associated with the model.

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