Invisibility of quantum systems to tunneling of matter waves

Details Invisibility of quantum systems to tunneling of matter waves Invisibility of quantum systems to tunneling of matter waves

2009-04-25

arxiv.org/abs/0905.0378v1

Phys. Rev. A 79, 052103 (2009)

Physics

Quantum Physics

Scientific paper

10.1103/PhysRevA.79.052103

We show that an appropriate choice of the potential parameters in one-dimensional quantum systems allows for unity transmission of the tunneling particle at all incident tunneling energies, except at controllable exceedingly small incident energies. The corresponding dwell time and the transmission amplitude are indistinguishable from those of a free particle in the unity-transmission regime. This implies the possibility of designing quantum systems that are invisible to tunneling by a passing wave packet.

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