60 citations · 92 across the 6 of their papers we have counts for
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math-ph2017★ 19 cited
Behavior of eigenvalues in a region of broken-PT symmetry
Carl M. Bender, Nima Hassanpour, Daniel W. Hook +3
PT-symmetric quantum mechanics began with a study of the Hamiltonian . When , the eigenvalues of this non-Hermitian Hamiltonian are dis…
math-ph2017★ 11 cited
Analytic structure of eigenvalues of coupled quantum systems
Carl M. Bender, Alexander Felski, Nima Hassanpour +2
By analytically continuing the coupling constant of a coupled quantum theory, one can, at least in principle, arrive at a state whose energy is lower than the ground state of t…