Specific heat study of massless Dirac fermion system α-(BEDT-TTF)2I3 under pressure

The specific heat of massless Dirac fermion system α‐(BEDT‐TTF)2I3 was measured under pressure. In low temperature, the temperature dependence of the specific heat is almost quadratic reflecting the massless Dirac dispersion. In magnetic field, the specific heat shows anomalous behavior which can be...

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Published inPhysica status solidi. C Vol. 9; no. 5; pp. 1177 - 1179
Main Authors Konoike, Takako, Uchida, Kazuhito, Osada, Toshihito
Format Journal Article
LanguageEnglish
Published Berlin WILEY-VCH Verlag 01.05.2012
WILEY‐VCH Verlag
Subjects
massless Dirac fermions
pressure
specific heat
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Abstract The specific heat of massless Dirac fermion system α‐(BEDT‐TTF)2I3 was measured under pressure. In low temperature, the temperature dependence of the specific heat is almost quadratic reflecting the massless Dirac dispersion. In magnetic field, the specific heat shows anomalous behavior which can be understood by assuming the existence of the zero‐mode Landau level characteristic of the Dirac fermions system and its spin splitting. These results are consistent with the reported magnetoresistance. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
AbstractList The specific heat of massless Dirac fermion system α‐(BEDT‐TTF)2I3 was measured under pressure. In low temperature, the temperature dependence of the specific heat is almost quadratic reflecting the massless Dirac dispersion. In magnetic field, the specific heat shows anomalous behavior which can be understood by assuming the existence of the zero‐mode Landau level characteristic of the Dirac fermions system and its spin splitting. These results are consistent with the reported magnetoresistance. (© 2012 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)
Author Konoike, Takako
Uchida, Kazuhito
Osada, Toshihito
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Snippet The specific heat of massless Dirac fermion system α‐(BEDT‐TTF)2I3 was measured under pressure. In low temperature, the temperature dependence of the specific...
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SubjectTerms massless Dirac fermions
pressure
specific heat
Title Specific heat study of massless Dirac fermion system α-(BEDT-TTF)2I3 under pressure
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