Bound states emerging from below the continuum in a solvablePT-symmetric discrete Schrödinger equation
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2019 ◽
Vol 67
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pp. 290-302
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2021 ◽
pp. 105694
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2008 ◽
Vol 15
(4)
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pp. 487-492
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1987 ◽
Vol 105
(1)
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pp. 37-42
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