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Article Dans Une Revue Physical Review Letters Année : 2018

Generation of a Nernst Current from the Conformal Anomaly in Dirac and Weyl Semimetals

Résumé

We show that a conformal anomaly in Weyl and Dirac semimetals generates a bulk electric current perpendicular to a temperature gradient and the direction of a background magnetic field. The associated conductivity of this novel contribution to the Nernst effect is fixed by a beta function associated with the electric charge renormalization in the material. We discuss the experimental feasibility of the proposed phenomenon.
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Dates et versions

hal-01665291 , version 1 (19-11-2020)

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Maxim N. Chernodub, A. Cortijo, M. A. H. Vozmediano. Generation of a Nernst Current from the Conformal Anomaly in Dirac and Weyl Semimetals. Physical Review Letters, 2018, 120 (20), pp.206601. ⟨10.1103/PhysRevLett.120.206601⟩. ⟨hal-01665291⟩
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