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Showing 2004Show all
3 papers · 1 filter
quant-ph2004
Entanglement in quantum critical spin systems
Tommaso Roscilde, Paola Verrucchi, Andrea Fubini +2
We study the field dependence of the entanglement of formation in anisotropic S=1/2 antiferromagnetic chains and two-leg ladders displaying a T=0 field-driven quantum phase transit…
cond-mat.supr-con2004
Anisotropic superconductivity in PrOs4Sb12
David Parker, Kazumi Maki, Stephan Haas
Recently the superconducting gap functions of the skutterudite PrOsSb have been proposed [K. Maki et al, Europhys. Lett. {\bf 68}, 720 (2004)]. The superconductivity is…
math.AG2004★ 22 cited
On Quantizing Teichmüller and Thurston theories
L. Chekhov, R. C. Penner
In earlier work, Chekhov and Fock have given a quantization of Teichmüller space as a Poisson manifold, and the current paper first surveys this material adding further mathematica…