Screen observables in relativistic and nonrelativistic quantum mechanics
- 1 March 1986
- journal article
- Published by AIP Publishing in Journal of Mathematical Physics
- Vol. 27 (3) , 793-803
- https://doi.org/10.1063/1.527184
Abstract
Screen observables, which measure the arrival coordinates of free particles at a hyperplane containing a timelike direction, are defined by a covariance property with respect to an irreducible representation of the Poincaŕe or Galilei group. For each representation with m>0 the set of screen observables is constructed explicitly and a unique ideal screen observable of greatest intrinsic accuracy is singled out.Keywords
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