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LISA pathfinder appreciably constrains collapse models

Helou, Bassam; Slagmolen, Bram; McClelland, David; Chen, Yanbei

Description

Spontaneous collapse models are phenomological theories formulated to address major difficulties in macroscopic quantum mechanics. We place significant bounds on the parameters of the leading collapse models, the continuous spontaneous localization (CSL) model, and the Diosi-Penrose (DP) model, by using LISA Pathfinder’s measurement, at a record accuracy, of the relative acceleration noise between two free-falling macroscopic test masses. In particular, we bound the CSL collapse rate to be at...[Show more]

CollectionsANU Research Publications
Date published: 2017
Type: Journal article
URI: http://hdl.handle.net/1885/218190
Source: Physical Review D
DOI: 10.1103/PhysRevD.95.084054

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