Specific Heat of Two-Dimensional Electrons in GaAs-GaAlAs Multilayers
E. GornikInstitut für Experimentalphysik, Universität Innsbruck, 6020 Innsbruck, AustriaR. LassnigInstitut für Experimentalphysik, Universität Innsbruck, 6020 Innsbruck, AustriaG. StrasserInstitut für Experimentalphysik, Universität Innsbruck, 6020 Innsbruck, AustriaH. L. StörmerAT&T Bell Laboratories Murray Hill, New Jersey 07974A. C. GossardAT&T Bell Laboratories Murray Hill, New Jersey 07974W. WiegmannAT&T Bell Laboratories Murray Hill, New Jersey 07974
1985en
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ABI
Annotatsiya
We report the first observation of the magnetic-field-dependent electronic specific heat in GaAs-GaAs multilayers. With a heat-pulse technique oscillations of the sample temperature on the order of millikelvins were observed. Both intra- and inter-Landau-level contributions could be distinguished. Theoretical fits to the data reveal a density of states consisting of Gaussian peaks on a flat background.
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