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Titolo:
Coherent degenerate dark matter: a galactic superfluid?
Autore:
Silverman, MP; Mallett, RL;
Indirizzi:
Trinity Coll, Dept Phys, Hartford, CT 06106 USA Trinity Coll Hartford CT USA 06106 oll, Dept Phys, Hartford, CT 06106 USA Univ Connecticut, Dept Phys, Storrs, CT 06268 USA Univ Connecticut StorrsCT USA 06268 cut, Dept Phys, Storrs, CT 06268 USA
Titolo Testata:
CLASSICAL AND QUANTUM GRAVITY
fascicolo: 17, volume: 18, anno: 2001,
pagine: L103 - L108
SICI:
0264-9381(20010907)18:17<L103:CDDMAG>2.0.ZU;2-D
Fonte:
ISI
Lingua:
ENG
Soggetto:
OBSERVATIONAL EVIDENCE; UNIVERSE;
Tipo documento:
Letter
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Indirizzo: Silverman, MP Trinity Coll, Dept Phys, Hartford, CT 06106 USA Trinity Coll Hartford CT USA 06106 , Hartford, CT 06106 USA
Citazione:
M.P. Silverman e R.L. Mallett, "Coherent degenerate dark matter: a galactic superfluid?", CLASS QUANT, 18(17), 2001, pp. L103-L108

Abstract

Dark matter comprising a Bose-Einstein condensate (BEC) forms structures of the size of its coherence length, as determined by equilibrium between quantum pressure and gravitational attraction. This is also the core size of quantum vortices in a BEC superfluid. From the density and rotation curve of the Andromeda Galaxy (M31) we estimate the particle mass, particle density, coherence length, critical temperature, critical angular frequency, and vortex line density of the dark matter condensate composing the halo.

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Documento generato il 21/09/20 alle ore 05:55:48