期刊
INTERNATIONAL JOURNAL OF THEORETICAL PHYSICS
卷 47, 期 10, 页码 2513-2522出版社
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10773-008-9685-2
关键词
Dirac equation; PT-symmetric potential; energy spectrum
资金
- National Natural Science Foundation of China [10675097]
- Sichuan Province Foundation of China [04JY029-062-2]
- Natural Science Foundation of the Sichuan Education Bureau of China [07ZA140]
- Science and Technology Foundation of Southwest Petroleum University [2007XJZ073]
The relativistic problems of neutral fermions subject to a new partially exactly solvable PT-symmetric potential and an exactly solvable PT-symmetric hyperbolic cosecant potential in 1+1 dimensions are investigated. The Dirac equation with the double-well-like mass distribution in the background of the PT-symmetric vector potential coupling can be mapped into the Schrodinger-like equation with the partially exactly solvable double-well potential. The position-dependent effective mass Dirac equation with the PT-symmetric hyperbolic cosecant potential can be mapped into the Schrodinger-like equation with the exactly solvable modified Poschl-Teller potential. The real relativistic energy levels and corresponding spinor wavefunctions for the bound states have been given in a closed form.
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