Lower bounds on axion rest mass in a general cosmological scenario

dc.contributor.author	Datta, B
dc.contributor.author	Joshi, P. S
dc.date.accessioned	2006-04-10T08:38:10Z
dc.date.available	2006-04-10T08:38:10Z
dc.date.issued	1986-09
dc.identifier.citation	BASI, Vol. 14, No. 3, pp. 156-162	en
dc.identifier.uri	http://hdl.handle.net/2248/913
dc.description.abstract	It is shown that, if axions make up the dark matter in the universe, a general lower limit range of 1.07-4.09 x 10 to the -5th eV can be set on the axion rest mass on the basis of consideration of general spacetimes, without recourse to specific assumptions of isotropy and homogeneity which are characteristic of the Friedmann model of the universe. Limits on mass are derived in terms of possible ages for the universe, and the results also set a lower limit range for the vacuum expectation value of the scalar field of 1.15-0.30 x 10 to the 12th GeV. The theory may have application to the setting of general upper limits on the age of the universe	en
dc.format.extent	543946 bytes
dc.format.mimetype	application/pdf
dc.language.iso	en	en
dc.publisher	Astronomical Society of Indian	en
dc.subject	Axion	en
dc.subject	Dark matter	en
dc.subject	General spacetime	en
dc.title	Lower bounds on axion rest mass in a general cosmological scenario	en
dc.type	Article	en