Stellar Collapse in the Time Dependent Hartree-Fock Approximation

Details Stellar Collapse in the Time Dependent Hartree-Fock Approximation Stellar Collapse in the Time Dependent Hartree-Fock Approximation

2008-03-25

arxiv.org/abs/0803.3571v1

Physics

Mathematical Physics

13 pages

Scientific paper

10.1007/s00220-008-0668-1

We prove blow-up in finite time for radially symmetric solutions to the pseudo-relativistic Hartree-Fock equation with negative energy. The non-linear Hartree-Fock equation is commonly used in the physics literature to describe the dynamics of white dwarfs. We extend thereby recent results by Fr\"ohlich and Lenzmann, who established in \cite{FL1,FL2} blow-up for solutions to the pseudo-relativistic Hartree equation. As key ingredient for handling the exchange term we use the conservation of the expectation of the square of the angular momentum operator.

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