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Generalised mass variation formula for a stationary axisymmetric star or black hole with surrounding accretion disc

Brandon Carter

astro-pharXiv:astro-ph/0206113

Abstract

The general relativistic mass-energy variation formula for axisymmetric equilibrium states of a selfgravitating system is developed in the particular case for which the relevant matter consists of a perfectly conducting multiconstituent fluid (or superfluid) with stationary circular or convective motion.

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