Operator Deformations in Quantum Measurement Theory |
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Authors: | Andreas Andersson |
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Institution: | 1. Institut für Theoretische Physik, Universit?t Leipzig, Postfach 100 920, 04009, Leipzig, Germany 2. Max Planck Institute for Mathematics in the Sciences, Inselstrasse 22, 04103, Leipzig, Germany
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Abstract: | In this paper, we develop a rigorous observable- and symmetry generator-related framework for quantum measurement theory by applying operator deformation techniques previously used in noncommutative quantum field theory. This enables the conventional observables (represented by unbounded operators) to play a role also in the more general setting. In addition, it gives a way of explicitly calculating the so-called instrument of the measurement process. |
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