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@inproceedings{Massar1998DE1, title={D ec 1 99 8 Unitary and Non-Unitary Evolution in Quantum Cosmology}, author={Serge Massar}, year={1998} }

- Published 1998

abstract We analyse when and why unitarity violations might occur in quantum cosmology restricted to minisuperspace. To this end we discuss in detail backscattering transitions between expanding and contracting solutions of the Wheeler-DeWitt equation. We first show that upon neglecting only backscattering, one obtains an intermediate regime in which matter… CONTINUE READING

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