Nontrivial Fermion States in Supersymmetric Minisuperspace

Details Nontrivial Fermion States in Supersymmetric Minisuperspace Nontrivial Fermion States in Supersymmetric Minisuperspace

1995-03-29

arxiv.org/abs/gr-qc/9503054v1

Astronomy and Astrophysics

Astrophysics

General Relativity and Quantum Cosmology

6 pages, latex

Scientific paper

In this lecture supersymmetric minisuperspace models of any Bianchi type within class A of the classification of Ellis and McCallum are considered. The algebra of the supersymmetry generators, the Lorentz generators, the diffeomorphism generators and the Hamiltonian generator is determined explicitely and found to close. Different from earlier work it is established that physical states, which are annihilated by all these generators, exist in {\it all } sectors of these models with fixed even fermion number. A state in the 4-fermion sector of the Bianchi type IX model is considered as a specific example, which satisfies the `no-boundary' condition of Hartle and Hawking. The conclusion is that supersymmetric minisuperspace models have a much richer manifold of physical states than had been recognized before.

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