Narrow Zero Mode in Organic Massless Dirac Electron System $\alpha$-(BEDT-TTF)$_2$I$_3$
A. Mori, Y. Kawasugi, R. Doi, T. Naito, R. Kato, Y. Nishio, and N., Tajima
TL;DR
This study reveals that in the organic Dirac electron system $$-(BEDT-TTF)$_2$I$_3$, the zero mode Landau level is significantly narrower than others under pressure, indicating unique quantum transport properties.
Contribution
The paper provides experimental evidence that the zero mode in $$-(BEDT-TTF)$_2$I$_3$ is exceptionally narrow compared to other Landau levels, highlighting a novel aspect of massless Dirac electrons in organic materials.
Findings
Zero mode width is much narrower than other Landau levels.
The narrow zero mode is due to carrier scattering effects.
Experimental demonstration under pressure conditions.
Abstract
We investigated the interlayer magnetoresistance in an organic massless Dirac electron system -(BEDT-TTF)I under pressure. We experimentally demonstrate that the width of the zero mode owing to carrier scattering is much narrower than that of the other Landau levels.
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