Contribution to a conference proceedings/Internal Report

PUBDB-2016-01073

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Axion BEC Dark Matter

Erken, O. ; Sikivie, P. ; Tam, H. ; Yang, Q.

2011

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Please use a persistent id in citations: doi:10.3204/DESY-PROC-2011-04/sikivie_pierre

Report No.: arXiv:1111.3976

Abstract: Cold dark matter axions thermalize through gravitational self-interactions and form a Bose-Einstein condensate when the photon temperature reaches approximately 500 eV. Axion Bose-Einstein condensation provides an opportunity to distinguish axions from the other dark matter candidates on the basis of observation. The rethermalization of axions that are about to fall in a galactic potential well causes them to acquire net overall rotation, whereas ordinary cold dark matter falls in with an irrotational velocity field. The inner caustics of galactic halos are different in the two cases.

Keyword(s): condensation: Bose-Einstein ; axion: dark matter ; dark matter: galaxy: halo ; photon: temperature ; galaxy: halo ; gravitation ; rotation ; velocity ; WISP ; WIMP

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Contributing Institute(s):

1. Bibliothek und Dokumentation (L)

Research Program(s):

1. 899 - ohne Topic (POF3-899) (POF3-899)

Experiment(s):

1. Facility (machine) HERA

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Linked articles:

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Proceedings/Internal Report Schumann, M. (Editor) ; Zioutas, K. (Editor)
Proceedings, 7th Patras Workshop on Axions, WIMPs and WISPs
20117th Patras Workshop on Axions, WIMPs and WISPs, AXION-WIMP 2011, MykonosMykonos, Greece , 27 Jun 2011 - 1 Jul 20112011-06-272011-07-01     Files BibTeX | EndNote: XML, Text | RIS

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