Phys. Rev. Lett. 102, 176403 (2009) [4 pages]Effect of the Zero-Mode Landau Level on Interlayer Magnetoresistance in Multilayer Massless Dirac Fermion SystemsReceived 21 October 2008; published 30 April 2009 We report on the experimental results of interlayer magnetoresistance in the multilayer massless Dirac fermion system α-(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. © 2009 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.102.176403
DOI:
10.1103/PhysRevLett.102.176403
PACS:
71.10.Pm, 72.15.Gd
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