Symmetry Constrained Decoherence of Conditional Expectation Values †
Abstract
:1. Introduction
2. Measurement Models and Conservation Laws
2.1. Quantum Measurements
2.2. Expected Value of a Self-Adjoint Operator Conditioned on the Outcome of a POVM
2.3. Measurements Restricted by Additive Conservation Laws
3. Results
3.1. Conserved Quantities and Decoherence Maps
3.2. Qubits Measured by a Jaynes-Cummings Interaction
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
Abbreviations
POVM | Positive operator valued measure |
PVM | Projective valued measure |
WAY | Wigner-Araki-Yanase |
Appendix A. Proofs of Theorems
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Mohammady, M.H.; Romito, A. Symmetry Constrained Decoherence of Conditional Expectation Values. Universe 2019, 5, 46. https://doi.org/10.3390/universe5020046
Mohammady MH, Romito A. Symmetry Constrained Decoherence of Conditional Expectation Values. Universe. 2019; 5(2):46. https://doi.org/10.3390/universe5020046
Chicago/Turabian StyleMohammady, M. Hamed, and Alessandro Romito. 2019. "Symmetry Constrained Decoherence of Conditional Expectation Values" Universe 5, no. 2: 46. https://doi.org/10.3390/universe5020046