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Towards a complete treatment of the cosmological recombination problem
Cosmology and Extragalactic Astrophysics (astro-ph.CO)
2011/1/7
A new approach to the cosmological recombination problem is presented, which completes our previous analysis on the effects of two-photon processes during the epoch of cosmological hydrogen recombinat...
Magnetars as Highly Magnetized Quark Stars: an analytical treatment
High Energy Astrophysical Phenomena (astro-ph.HE)
2011/1/6
We present an analytical model of a magnetar as a high density magnetized quark bag. The effect of strong magnetic fields (B > 5 x 10^{16} G) in the equation of state is considered. An analytic expres...
Canonical Treatment of Regular Lagrangians with Holonomic Constraints as Singular Systems
Regular Lagrangians Holonomic Constraints Singular Systems
2010/4/15
Regular Lagrangians with holomonic constraints are treated as singular systems using the canonical method. The Lagrange multipliers are introduced as generalized coordinates. The regular Lagrangians a...