Noncommutative effects in astrophysical objects: a survey

Details Noncommutative effects in astrophysical objects: a survey Noncommutative effects in astrophysical objects: a survey

2010-02-25

arxiv.org/abs/1002.4861v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

10 pages. Talk presented by C. Z. at the "First Mediterranean Conference on Classical and Quantum Gravity", Kolymbari (Crete,

Scientific paper

The main implications of noncommutativity over astrophysical objects are examined. Noncommutativity is introduced through a deformed dispersion relation $E^{2}=p^{2}c^{2}(1+\lambda E)^{2} + m^{2}c^{4}$ and the relevant thermodynamical quantities are calculated using the grand canonical ensemble formalism. These results are applied to simple physical models describing main-sequence stars, white-dwarfs and neutron stars. The stability of main-sequence stars and white dwarfs is discussed.

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