Thermal conductivity of one-dimensional spin-1/2 systems
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We analyze the thermal conductivity of frustrated spin-1/2 chains within linear-response theory focusing on its frequency dependence at finite temperatures. Using exact diagonalization, the low-frequency limit of the thermal conductivity is discussed in the high-temperature regime.
2 pages, 1 figure. Submitted to SCES'04
2 pages, 1 figure. Submitted to SCES'04