Effect of the zero-mode landau level on interlayer magnetoresistance in multilayer massless Dirac fermion systems

We report on the experimental results of interlayer magnetoresistance in the multilayer massless Dirac fermion system alpha-(BEDT-TTF)2I3 under hydrostatic pressure and its interpretation. We succeeded in detecting the zero-mode Landau level (n=0 Landau level) that is expected to appear at the conta...

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Bibliographic Details
Published in:Physical review letters 2009-05, Vol.102 (17), p.176403-176403, Article 176403
Main Authors: Tajima, Naoya, Sugawara, Shigeharu, Kato, Reizo, Nishio, Yutaka, Kajita, Koji
Format: Article
Language:English
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Summary:We report on the experimental results of interlayer magnetoresistance in the multilayer massless Dirac fermion system alpha-(BEDT-TTF)2I3 under hydrostatic pressure and its interpretation. We succeeded in detecting the zero-mode Landau level (n=0 Landau level) that is expected to appear at the contact points of Dirac cones in the magnetic field normal to the two-dimensional plane. The characteristic feature of zero-mode Landau carriers including the Zeeman effect is clearly seen in the interlayer magnetoresistance.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.102.176403