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Título: | Fingerprints of the conformal anomaly in the thermoelectric transport in Dirac and Weyl semimetals |
Autor: | Arjona, Vicente; Chernodub, Maxim N.; Vozmediano, María A. H. CSIC ORCID | Palabras clave: | Thermoelectric transport Semimetals |
Fecha de publicación: | 10-jun-2019 | Editor: | American Physical Society | Citación: | Physical Review B 99 (2019) | Resumen: | [EN] The conformal anomaly, a quantum anomaly related to metric deformations in conformally invariant systems, has been recently shown to give rise to a special contribution to the Nernst signal, which remains finite at zero temperature and chemical potential. In this work we provide a Kubo calculation that confirms the result of this unexpected signal in the conformal limit and extends the calculation to finite temperature and chemical potential. As a result, we predict a distinctive experimental signature of the conformal anomaly in the form of a plateau behavior in the thermoelectric coefficient as a function of the chemical potential in the extreme quantum limit. | Versión del editor: | http://dx.doi.org/10.1103/PhysRevB.99.235123 | URI: | http://hdl.handle.net/10261/216492 | DOI: | 10.1103/PhysRevB.99.235123 | Identificadores: | doi: 10.1103/PhysRevB.99.235123 e-issn: 2469-9969 issn: 2469-9950 |
Aparece en las colecciones: | (ICMM) Artículos |
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Arjona_Finger_PhysRevB.99.235123_2019.pdf | 709,45 kB | Adobe PDF | Visualizar/Abrir |
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