Quantum Reference Frames via Transition Amplitudes in Timeless Quantum Gravity
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DOI: 10.1103/physrevd.98.026023
Abstract: We propose an algorithm of extracting Schrodinger theories under all viable physical time from the Einstein-Hilbert path integral, formulated as the timeless transition amplitudes $\hat{\mathbb{P}}:\mathbb{K} \to \mathbb{K}^*$ between the boundary states in a kinematic Hilbert… read more here.
Keywords: transition amplitudes; quantum; reference; hat mathbb ... See more keywords