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Please use this identifier to cite or link to this item: http://dspace.library.iitb.ac.in/jspui/handle/100/1860

Title: Magnetic domain walls of relic fermions as dark energy
Authors: YAJNIK, UA
Keywords: cosmological parameters
supernovae
constant
Issue Date: 2005
Publisher: AMER INST PHYSICS
Citation: Particles, Strings, and Cosmology,805,459-462
Abstract: We show that relic fermions of the Big Bang can enter a ferromagnetic state if they possess a magnetic moment and satisfy the requirements of Stoner theory of itinerant ferromagnetism. The domain walls of this ferromagnetism can successfully simulate Dark Energy over the observable epoch spanning similar to 10 billion years. We obtain conditions on the anomalous magnetic moment of such fermions and their masses. Known neutrinos fail to satisfy the requirements thus pointing to the possibility of a new ultralight sector in Particle Physics.
URI: http://dspace.library.iitb.ac.in/xmlui/handle/10054/15107
http://hdl.handle.net/100/1860
ISBN: 0-7354-0295-7
ISSN: 0094-243X
Appears in Collections:Proceedings papers

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