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Testing macroscopic realism through high-mass interferometry

Autor(en)
Clive Emary, J. P. Cotter, Markus Arndt
Abstrakt

We define a quantum witness for high-mass matter-wave interferometers that allows us to test fundamental assumptions of macroscopic realism. We propose an experimental realization using absorptive laser gratings and show that such systems can strongly violate a macrorealistic quantum-witness equality. The measurement of the witness can therefore provide clear evidence of physics beyond macrorealism for macromolecules and nanoparticles.

Organisation(en)
Quantenoptik, Quantennanophysik und Quanteninformation
Externe Organisation(en)
University of Hull
Journal
Physical Review A
Band
90
Anzahl der Seiten
5
ISSN
1050-2947
DOI
https://doi.org/10.1103/PhysRevA.90.042114
Publikationsdatum
10-2014
Peer-reviewed
Ja
ÖFOS 2012
103025 Quantenmechanik, 103026 Quantenoptik
Schlagwörter
ASJC Scopus Sachgebiete
Atomic and Molecular Physics, and Optics
Link zum Portal
https://ucrisportal.univie.ac.at/de/publications/26acfe45-ff42-49b0-9a05-0376739a2a34