Phys. Rev. Lett. 85, 1787 - 1790 (2000)Supercriticality and Transmission Resonances in the Dirac Equation |
PRL Celebrates 50 Years
This Week's Milestone Letters are from 1984: |
Norman Dombey1 *, Piers Kennedy1 †, and A. Calogeracos2 ‡
1Centre for Theoretical Physics, University of Sussex, Brighton BN1 9QJ, United Kingdom
2NCA Research Consultants, P.O. Box 61147, Maroussi 151 22, Greece
Received 30 May 2000
It is shown that a Dirac particle of mass m and arbitrarily small momentum will tunnel without reflection through a potential barrier V = Uc(x) of finite range provided that the potential well V = -Uc(x) supports a bound state of energy E = -m. This is called a supercritical potential well.
©2000 The American Physical Society
URL: http://link.aps.org/abstract/PRL/v85/p1787
DOI: 10.1103/PhysRevLett.85.1787
PACS: 03.65.Pm, 03.65.Ge
* Email address: normand@sussex.ac.uk
† Email address: kapv4@pcss.maps.susx.ac.uk
‡ Email address: acal@hol.gr
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