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Response to Pashby:Time operators and POVM observables in quantum mechanics
parameter time time operators time observables PVM POVM
2016/6/13
I argue against a general time observable in quantum mechanics except for quantum gravity theory. Then I argue in support of case specific arrival time and dwell time observables with a cautionary not...
Coordinates, observables and symmetry in relativity
Spacetime events general covariance observables
2008/4/22
We investigate the interplay and connections between symmetry properties of equations, the interpretation of coordinates, the construction of observables, and the existence of physical relativity prin...
Observations on Hyperplanes: II. Dynamical Variables and Localization Observables
localization measurement hyperplane dependence quantum fields
2008/4/15
This is the second of two papers responding (somewhat belatedly) to ‘recent’ commentary on various aspects of hyperplane dependence (HD) by several authors. In this paper I focus on the issues of the ...
Maximal Beable Subalgebras of Quantum-Mechanical Observables
algebra of observables beables Bell
2008/4/15
The centerpiece of Jeffrey Bub's book Interpreting the Quantum World is a theorem (Bub and Clifton 1996) which
correlates each member of a large class of no-collapse interpretations with some 'privil...
Events and observables in generally invariant spacetime theories
Spacetime Events General covariance
2008/4/11
We address the problem of observables in generally invariant spacetime theories such as Einstein's general relativity. Using the refined notion of an event as a "point-coincidence" between scalar fiel...
This is a comment on J. A. Barrett's article ``The Preferred-Basis Problem and the Quantum Mechanics of Everything'' in Brit. J. Phil. Sci. 56 (2005), which concerns theories postulating that certain ...
An Einstein manuscript on the EPR paradox for spin observables
quantum incompleteness argument space quantization
2008/4/10
A formulation by Einstein of the Einstein-Podolsky-Rosen incompleteness argument found in his scientific manuscripts is presented and briefly commented on. It is the only known version in which Einste...