Anomalies of weakened decoherence criteria for quantum histories
Quantum Physics
2009-11-10 v1 General Relativity and Quantum Cosmology
Abstract
The theory of decoherent histories is checked for the requirement of statistical independence of subsystems. Strikingly, this is satisfied only when the decoherence functional is diagonal in both its real a n d imaginary parts. In particular, the condition of consistency (or weak decoherence) required for the assignment of probabilities appears to be ruled out. The same conclusion is obtained independently, by claiming a plausible dynamical robustness of decoherent histories.
Keywords
Cite
@article{arxiv.quant-ph/0310181,
title = {Anomalies of weakened decoherence criteria for quantum histories},
author = {Lajos Diosi},
journal= {arXiv preprint arXiv:quant-ph/0310181},
year = {2009}
}
Comments
3pp, submitted to Phys. Rev. Lett