Test of Quantum Effects of Spatial Noncommutativity using Modified Electron Momentum Spectroscopy

Details Test of Quantum Effects of Spatial Noncommutativity using Modified Electron Momentum Spectroscopy Test of Quantum Effects of Spatial Noncommutativity using Modified Electron Momentum Spectroscopy

2009-01-17

arxiv.org/abs/0901.2608v1

Phys.Rev.D78:105021,2008

Physics

Quantum Physics

17 pages, no figure

Scientific paper

10.1103/PhysRevD.78.105021

The possibility of testing spatial noncommutativity by current experiments on normal quantum scales is investigated. For the case of both position-position and momentum-momentum noncommuting spectra of ions in crossed electric and magnetic fields are studied in the formalism of noncommutative quantum mechanics. In a limit of the kinetic energy approaching its lowest eigenvalue this system possesses non-trivial dynamics. Signals of spatial noncommutativity in the angular momentum are revealed. They are within limits of the measurable accuracy of current experiments. An experimental test of the predictions using a modified electron momentum spectrum is suggested. The related experimental sensitivity and subtle points are discussed. The results are the first step on a realizable way towards a conclusive test of spatial noncommutativity.

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