An explicitly solvable model of the spontaneous PT-symmetry breaking

Details An explicitly solvable model of the spontaneous PT-symmetry breaking An explicitly solvable model of the spontaneous PT-symmetry breaking

2005-07-14

arxiv.org/abs/quant-ph/0507132v1

Czech. J. Phys. 55 (2005) 1113 - 1116.

Physics

Quantum Physics

presented in the int. conference "Pseudo-Hermitian Hamiltonians in Quantum Physics III" (Instanbul, Koc University, June 20 -

Scientific paper

10.1007/s10582-005-0115-x

We contemplate the pair of the purely imaginary delta-function potentials on a finite interval with Dirichlet boundary conditions. The two parameter model exhibits nicely the expected quantitative features of the unavoided level crossing and of a "phase-transition" complexification of the energies. Combining analytic and numerical techniques we investigate strength- and position-dependence of its spectrum.

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