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Open AccessArticle

Antimatter Quantum Interferometry

Istituto Nazionale di Fisica Nucleare—Sezione di Milano, 20133 Milano, Italy
Symmetry 2019, 11(10), 1247;
Received: 3 September 2019 / Revised: 23 September 2019 / Accepted: 29 September 2019 / Published: 5 October 2019
(This article belongs to the Special Issue Symmetry in Special and General Relativity)
The wave–particle duality hypothesis for massive particles has been confirmed by an overwhelming variety of indirect experimental evidence. In addition, direct interferometric tests have been made on particles like electrons, neutrons and even a few molecules, explicitly showing wave-like diffraction and interference phenomena. Of particular interest in this direction, single particle interference has also been demonstrated, but only for the electron case. No such kind of direct information was available for antiparticles or antimatter in general. After briefly discussing the subjects of antimatter research and interferometry, I present here the first evidence of single particle antimatter interference, made with positrons.
Keywords: quantum mechanics; antimatter; interferometry quantum mechanics; antimatter; interferometry
MDPI and ACS Style

Giammarchi, M. Antimatter Quantum Interferometry. Symmetry 2019, 11, 1247.

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