Quantum backflow in a ring

Goussev, A

Goussev, A (corresponding author), Univ Portsmouth, Sch Math & Phys, Portsmouth PO1 3HF, Hants, England.

PHYSICAL REVIEW A, 2021; 103 (2):

Abstract

Free motion of a quantum particle with the wave function entirely comprised of plane waves with non-negative momenta may be accompanied by negative pr......

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