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Thermal and spin transports in spin-1/2 extended XY chain

机译:自旋1/2延伸XY链中的热和自旋传输

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摘要

The thermal and spin Drude weights of the spin-1/2 extended XY chain with three-spin interaction model [Euro. Phys Jour. B 32, 383 (2003)] are solved exactly. It is shown that the competition between the two-spin and three-spin interactions in the system influences the calculated quantities and leads to its characteristic features near the quantum critical point. (C) 2004 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
机译:具有三轴相互作用模型的自旋1/2延伸XY链的热重和自旋Drude权重。物理之旅。 B 32,383(2003)]精确地解决了。结果表明,系统中二旋和三旋相互作用之间的竞争影响了计算量,并导致了其在量子临界点附近的特征。 (C)2004 WILEY-VCH Verlag GmbH&Co. KGaA,Weinheim。

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