Atomic collapse, Lorentz boosts, Klein scattering, and other quantum-relativistic phenomena in graphene

Shytov A; Rudner M; Gu NKatsnelson MLevitov L

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Atomic collapse, Lorentz boosts, Klein scattering, and other quantum-relativistic phenomena in graphene

机译：Atomic collapse, Lorentz boosts, Klein scattering, and other quantum-relativistic phenomena in graphene

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Electrons in graphene, which behave as massless relativistic Dirac particles, provide a new perspective on the relation between condensed matter and high-energy physics. We discuss atomic collapse, a phenomenon in which discrete energy levels of superheavy atoms are transformed into resonant states. Charge impurities in graphene provide a convenient condensed matter system in which this effect can be explored. Relativistic dynamics also manifests itself in graphene p-n junctions. We show how the transport problem in the presence of a magnetic field can be solved with the help of a Lorentz transformation, and use it to investigate magnetotransport in p-n junctions. Finally, we review a recent proposal to use Fabry-Perot resonances in p-n-p structures as a vehicle to investigate Klein scattering, another hallmark phenomenon of relativistic dynamics.

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来源
《Solid State Communications》 |2009年第28期|1087-1093|共7页
作者
Shytov A; Rudner M; Gu NKatsnelson MLevitov L;
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作者单位

Univ Utah, Dept Phys, Salt Lake City, UT 84112 USA.;

Harvard Univ, Dept Phys, Lyman Lab, Cambridge, MA 02138 USA.;

MIT, Dept Phys, Cambridge, MA 02139 USA.Radboud Univ Nijmegen, NL-6525 ED Nijmegen, Netherlands.;

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正文语种英语
中图分类固体物理学;
关键词
Nanostructures; Electronic transport; Tunneling;

Atomic collapse, Lorentz boosts, Klein scattering, and other quantum-relativistic phenomena in graphene

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