期刊
PHYSICS LETTERS A
卷 373, 期 38, 页码 3401-3406出版社
ELSEVIER
DOI: 10.1016/j.physleta.2009.07.054
关键词
Dirac equation; Non-Hermitian potentials; PT symmetry; Exact solutions
资金
- CAPES
- CNPq
- FAPESP
The most general combination of couplings of fermions with external potentials in 1 + 1 dimensions, must include vector, scalar and pseudoscalar potentials. We consider such a mixing of potentials in a PT-symmetric time-independent Dirac equation. The Dirac equation is mapped into an effective PT-symmetric Schrodinger equation. Despite the non-hermiticity of the effective potential, we find real energies for the fermion. (C) 2009 Elsevier B.V. All rights reserved.
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