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Testing macroscopic realism through high-mass interferometry

Emary, Clive; Cotter, J. P.; Arndt, Markus

Authors

Clive Emary

J. P. Cotter

Markus Arndt



Abstract

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.

Journal Article Type Article
Publication Date Oct 21, 2014
Journal Physical Review A
Print ISSN 1050-2947
Electronic ISSN 1094-1622
Publisher American Physical Society
Peer Reviewed Peer Reviewed
Volume 90
Issue 4
Article Number 042114
APA6 Citation Emary, C., Cotter, J. P., & Arndt, M. (2014). Testing macroscopic realism through high-mass interferometry. Physical review. A, 90(4), doi:10.1103/PhysRevA.90.042114
DOI https://doi.org/10.1103/PhysRevA.90.042114
Publisher URL https://journals.aps.org/pra/abstract/10.1103/PhysRevA.90.042114


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