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有质量手性费米子的势垒隧穿 被引量：1

Tunneling of Massive Chiral Fermions Through a Potential Barrier
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摘要 研究了有质量手性费米子和非手性费米子的势垒隧穿,重点讨论了手性费米子在势垒中的运动特征,对反"Klein隧穿"给出直观解释,并比较了无手性费米子的隧穿行为. The massive chiral fermions and non-chiral fermions tunneling through a potential barrier is researched .The motion characteristics of chiral fermions in the barrier is highlightedly discussed .An intuitive explanation about Anti ＆quot;Klein tunneling＆quot;is given, while non-chiral fermions tunneling behavior is also compared with chiral fermions tunneling behavior .
作者 潘林峰 曹振洲 程衍富
机构地区 中南民族大学电子信息工程学院
出处 《中南民族大学学报（自然科学版）》 CAS 2014年第3期65-69,79,共6页 Journal of South-Central University for Nationalities：Natural Science Edition
基金 国家自然科学基金资助项目(11204383) 中央高校基本科研业务费专项资金资助项目(XTZ09003 CTZ13003)
关键词 赝自旋 手性 势垒隧穿 pseudo-spin chiral barrier tunneling
分类号 O413.1 [理学—理论物理]
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参考文献16

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同被引文献24

  • 1Novoselov K S, Geim A K, Morozov S V, et al. Two- dimensinol gas of massless Dirac fermions in graphene [J]. Nature, 2005, 438: 197.
  • 2Castro Neto A H, Guinea F, Peres N M R, et al. The electronic properties of graphene [ J ]. Rev Mod Phys, 2009, 81: 109.
  • 3Goerbit M O. Electronic properties of graphene in a strong magnetic field [ J ]. Rev Mod Phys, 2011, 83: 1193.
  • 4Li G H, Andrer E Y. Observation of Landau levels of Dirac fermions in graphite [ J ]. Nat Phys, 2007, 3:623.
  • 5Zhang Y B, Tan Y W, Stormer H L, et al. Experiment observation of the quantum Hall effect and Berry's phase in graphene [J]. Nature, 2005, 438: 201.
  • 6Katsnelson M I, Novoselov K S, Geim A K. Chiral tunneling and the Klein paradox in graphene [ J ]. Nat Phys, 2006, 2 : 620.
  • 7Wang F, Ran Y. Nearly flat band with Chern number C =2 on the dice lattice [J]. Phys Rev B, 2011, 84: 241103.
  • 8Bereioux D, Urban D F, Grabert H, et al. Massless Dirac-Weyl fermions in a T3 optieal lattice [ J ]. Phys Rev A, 2009, 80: 063603.
  • 9Peres N M R, Castro Neto A H, Guinea F. Dirac fermion confinement in graphene [ J ]. Phys Rev B, 2006, 73 : 241403 (R).
  • 10Martino A De, Dell' Anna L, Egger R. Magnetic confinement of massless Dirae fermions in graphene [ J]. Phys Rev Lett, 2007, 98: 066802.

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中南民族大学学报（自然科学版）
2014年 第3期

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