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arxiv: 0903.3930 · v1 · pith:6X2CPMRKnew · submitted 2009-03-23 · 🪐 quant-ph · math-ph· math.MP

Real spectra for non-Hermitian Dirac equation in 1+1 dimensions with a most general coupling

classification 🪐 quant-ph math-phmath.MP
keywords equationdiracpotentialsdimensionseffectivegeneralpt-symmetricreal
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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 Schr\"{o}dinger equation. Despite the non-hermiticity of the effective potential, we find real energies for the fermion.

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