Quantum field theory on LQC Bianchi spacetimes [PDF]
Andrea Dapor, Jerzy Lewandowski, Yaser TavakoliQuantum theory of a scalar field is developed on the LQC Bianchi I space-time. By comparing the the quantum field theory for a single mode on classical and quantum background geometries we find that an effective Bianchi I space-time emerges. We show that by disregarding the back-reaction no Lorentz-violation is present, despite the effective metric being different than the classical Bianchi I one.View original: http://arxiv.org/abs/1305.4513
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