Scattering off PT-symmetric upside-down potentials

Bender, CM; Gianfreda, M

Bender, CM; Gianfreda, M (reprint author), Washington Univ, Dept Phys, St Louis, MO 63130 USA.; Gianfreda, M (reprint author), Univ Tokyo, Inst Ind Sci, Meguro Ku, Tokyo 1538505, Japan.

PHYSICAL REVIEW A, 2018; 98 (5):

Abstract

The upside-down -x(4), -x(6), and -x(8) potentials with appropriate PT-symmetric boundary conditions have real, positive, and discrete quantum-mechani......

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