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Dark matter: Time for detection

Adhikari, Rana X. and Hamilton, Paul and Müller, Holger (2014) Dark matter: Time for detection. Nature Physics, 10 (12). pp. 906-907. ISSN 1745-2473. https://resolver.caltech.edu/CaltechAUTHORS:20141130-084646350

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Abstract

Multiple lines of astrophysical evidence suggest that over one-quarter of the mass of the Universe takes the form of dark matter, with a density in our Solar System of roughly one hydrogen atom's mass per cubic metre. Most attempts to directly detect dark matter have focused on particles such as weakly interacting massive particles (WIMPs) or axions. Enormous detectors searching for dark matter have been built. They are looking for signals such as tiny flashes of light from collisions between dark matter and liquid xenon, phonons created by collisions in germanium, or microwaves generated by axions in a resonant cavity. Yet so far, dark matter has passed through the Earth undetected. An alternative explanation is that dark matter acts more like a classical, spatially dependent field. Writing in Nature Physics, Andrei Derevianko and Maxim Pospelov now suggest searching for such a field using a world-wide network of atomic clocks to register any changes in the their ticking rate as the Earth passes through dark matter.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://dx.doi.org/10.1038/nphys3175DOIArticle
http://www.nature.com/nphys/journal/v10/n12/pdf/nphys3175.pdfPublisherArticle
http://rdcu.be/cmmRPublisherFree ReadCube access
ORCID:
AuthorORCID
Adhikari, Rana X.0000-0002-5731-5076
Additional Information:© 2014 Macmillan Publishers Limited. All rights reserved. Published online 17 November 2014.
Issue or Number:12
Record Number:CaltechAUTHORS:20141130-084646350
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20141130-084646350
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:52191
Collection:CaltechAUTHORS
Deposited By: Joy Painter
Deposited On:01 Dec 2014 17:54
Last Modified:03 Oct 2019 07:40

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