2020
DOI: 10.48550/arxiv.2001.08385
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Universal behavior of the thermal Hall conductivity

Yi-feng Yang,
Guang-Ming Zhang,
Fu-Chun Zhang

Abstract: We report theoretical and experimental analyses of the anomalous thermal Hall conductivity in correlated systems. For both fermionic and bosonic excitations with nontrivial topology, we show that at "intermediate" temperatures, the anomalous thermal Hall conductivity exhibits an unexpected universal scaling with a simple exponential form. At low temperatures, it behaves differently and reflects the spectral properties of underlying excitations. Our predictions are examined as examples in two prototype compound… Show more

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