Transmission resonances and zeros in quantum waveguides with resonantly coupled cavities
作者： Wolfgang Porod , Zhi‐an Shao , Craig S. Lent
DOI: 10.1063/1.107588
关键词: Quantum tunnelling 、 Quantum 、 Physics 、 Pole–zero plot 、 Plane (geometry) 、 Quantum mechanics 、 Transmission (telecommunications) 、 Heterojunction 、 Waveguide 、 Resonance 、 Condensed matter physics
摘要: We report on the existence of transmission zeros in quantum waveguide structures with resonantly coupled cavities. Such do not occur usual double‐barrier resonant tunneling systems. For waveguides, probability exhibits pairs poles and complex‐energy plane. The observed sharp structure resonances can be understood terms these zero‐pole pairs.
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