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quant-ph2019★ 23 cited
Equivalence between quantum backflow and classically forbidden probability flow in a diffraction-in-time problem
Arseni Goussev
Quantum backflow is an interference effect in which a matter-wave packet comprised of only plane waves with non-negative momenta exhibits negative probability flux. Here we show th…
quant-ph2019
Comment on "The hard sphere quantum propagator: exact results via partial wave analysis''
Arseni Goussev, Orestis Georgiou, Valeriy Slastikov
There is no known exact expression for the propagator of a non-relativistic particle colliding with a hard sphere. De Prunelé (2008 {\it J.~Phys.~A:~Math.~Theor.} {\bf 41} 255305)…