Features of the motion of spin-1/2 particles in a noncoplanar magnetic field

D. A. Tatarskiy^a, A. V. Petrenko^b, S. N. Vdovichev^a, O. G. Udalov^a, Yu. V. Nikitenko^b, A. A. Fraerman<sup>a

a</sup> Institute for Physics of Microstructures, Russian Academy of Sciences, Nizhny Novgorod
^b Joint Institute for Nuclear Research, Dubna, Moscow region

Abstract: It is shown that a necessary condition for the nonreciprocal scattering of unpolarized thermal neutrons is that the spatial distribution of the magnetic induction be noncoplanar. An experiment on neutron transmission through a system of magnetic mirrors is performed in which a nonreciprocity of $75\,\%$ is reached.

Keywords: magnetism, neutron, noncoplanar, nonreciprocity.

PACS: 03.65.Nk, 28.20.-v, 85.75.-d

Received: March 4, 2016
Accepted: February 4, 2016

DOI: 10.3367/UFNr.2016.02.037762

 English version: Physics–Uspekhi, 2016, 59:6, 583–587

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