Effects of two successive parity-invariant point interactions on one-dimensional quantum transmission: Resonance conditions for the parameter space |
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Authors: | Kohkichi Konno Tomoaki Nagasawa Rohta Takahashi |
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Affiliation: | National Institute of Technology, Tomakomai College, 443 Nishikioka, Tomakomai 059-1275, Japan |
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Abstract: | We consider the scattering of a quantum particle by two independent, successive parity-invariant point interactions in one dimension. The parameter space for the two point interactions is given by the direct product of two tori, which is described by four parameters. By investigating the effects of the two point interactions on the transmission probability of plane wave, we obtain the conditions for the parameter space under which perfect resonant transmission occur. The resonance conditions are found to be described by symmetric and anti-symmetric relations between the parameters. |
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Keywords: | One-dimensional quantum systems Transmission Resonance |
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