Principle of least decoherence for Newtonian semiclassical gravity

@article{Tilloy2017PrincipleOL,
  title={Principle of least decoherence for Newtonian semiclassical gravity},
  author={Antoine Tilloy and Lajo Di'osi},
  journal={Physical Review D},
  year={2017},
  volume={96},
  pages={104045}
}
Recent works have proved that semi-classical theories of gravity needed not be fundamentally inconsistent, at least in the Newtonian regime. Using the machinery of continuous measurement theory and feedback, it was shown that one could construct well behaved models of hybrid quantum-classical dynamics at the price of an imposed (non unique) decoherence structure. We introduce a principle of least decoherence (PLD) which allows to naturally single out a unique model from all the available… 
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References

SHOWING 1-10 OF 41 REFERENCES
"J."
however (for it was the literal soul of the life of the Redeemer, John xv. io), is the peculiar token of fellowship with the Redeemer. That love to God (what is meant here is not God’s love to men)
Ann
Aaron Beck’s cognitive therapy model has been used repeatedly to treat depression and anxiety. The case presented here is a 34-year-old female law student with an adjustment disorder with mixed
Phys
  • Rev. D 93, 024026
  • 2016
Phys
  • Rev. A 42, 78
  • 1990
Classical Quantum Gravity 34
  • 115007
  • 2017
Phys
  • Rev. D 95, 084054
  • 2017
Phys
  • Rev. D 96, 104013
  • 2017
Phys
  • Rev. Lett. 118, 021102
  • 2017
Quantum Measurement and Control (Cambridge University Press
  • Cambridge, England, 2009). PRINCIPLE OF LEAST DECOHERENCE FOR NEWTONIAN ... PHYSICAL REVIEW D 96, 104045
  • 2017
and A
  • Bassi, arXiv:1701.02236
  • 2017
...
1
2
3
4
5
...