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Abstract
The geometric phase can be used as a fruitful venue of investigation to infer features of the quantum systems. Its application can reach new theoretical frontiers and imply innovative and challenging experimental proposals. Herein, we take advantage of the geometric phase to sense the corrections induced while a neutral particle travels at constant velocity in front of an imperfect sheet in quantum vacuum. As it is already known, two bodies in relative motion at constant velocity experience a quantum contactless dissipative force, known as quantum friction. This force has eluded experimental detection so far due to its small magnitude and short range. However, we give details of an innovative experiment designed to track traces of the quantum friction by measuring the velocity dependence of corrections to the geometric phase. We notice that the environmentally induced corrections can be decomposed in different contributions: corrections induced by the presence of the dielectric sheet and the motion of the particle in quantum vacuum. As the geometric phase accumulates over time, its correction becomes relevant at a relative short timescale, while the system still preserves purity. The experimentally viable scheme presented would be the first one in tracking traces of quantum friction through the study of decoherence effects on a NV center in diamond.
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1 Ciudad Universitaria, Departamento de Física Juan José Giambiagi, FCEyN UBA and IFIBA CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina (GRID:grid.7345.5) (ISNI:0000 0001 0056 1981); University of Luxembourg, Physics and Materials Science Research Unit, Luxembourg, Luxembourg (GRID:grid.16008.3f) (ISNI:0000 0001 2295 9843)
2 Ciudad Universitaria, Departamento de Física Juan José Giambiagi, FCEyN UBA and IFIBA CONICET-UBA, Facultad de Ciencias Exactas y Naturales, Buenos Aires, Argentina (GRID:grid.7345.5) (ISNI:0000 0001 0056 1981)
3 Comisión Nacional de Energía Atómica, Centro Atómico Constituyentes, San Martín, Argentina (GRID:grid.418851.1) (ISNI:0000000417842677)
4 Indiana University-Purdue University Indianapolis, Department of Physics, Indianapolis, USA (GRID:grid.257413.6) (ISNI:0000 0001 2287 3919)