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American Journal of Physics -- February 2012 -- Volume 80, Issue 2, pp. 141
On Klein tunneling in graphene
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Add to FacebookThe essential features of Klein tunneling of massless fermions in graphene may be treated in one dimension without the need for Dirac spinors. Two dimensions needs a spinor treatment and is investigated numerically, which lets us compare tunneling through smooth potential barriers with that through idealized step potentials.
© 2012 American Association of Physics Teachers
ACKNOWLEDGMENTS
The author would like to thank the referee for helpful comments and suggestions. Thanks are also due to Peter Maksym and Carlos Gane for useful discussions.
Article Outline
- INTRODUCTION
- A BRIEF DESCRIPTION OF KLEIN TUNNELING
- ELECTRON WAVE MODES IN GRAPHENE
- KLEIN TUNNELING IN GRAPHENE
- One dimension
- Two dimensions
- COMMENTS
KEYWORDS and PACS
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Quantum mechanics
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History
Received Mar 2011
Accepted Oct 2011
Accepted Oct 2011
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