The Chandrasekhar theory of stellar collapse as the limit of quantum mechanics |
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Authors: | Elliott H Lieb Horng-Tzer Yau |
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Institution: | (1) Departments of Mathematics and Physics, Princeton University, P.O.B. 708, 08544 Princeton, NJ, USA |
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Abstract: | Starting with a relativistic Schrödinger Hamiltonian for neutral gravitating particles, we prove that as the particle numberN![rarr](/content/hvk418625204m034/xxlarge8594.gif) and the gravitation constantG 0 we obtain the well known semiclassical theory for the ground state of stars. For fermions, the correct limit is to fixGN
2/3 and the Chandrasekhar formula is obtained. For bosons the correct limit is to fixGN and a Hartree type equation is obtained. In the fermion case we also prove that the semiclassical equation has a unique solution — a fact which had not been established previously.Dedicated to Walter Thirring on his 60th birthdayWork partially supported by U.S. National Science Foundation grant PHY 85-15288-A01Work supported by Alfred Sloan Foundation dissertation Fellowship |
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