Lorentz symmetry and Penning Traps
The Standard-Model Extension has been used to analyze the Penning-trap, a laboratory device that uses electric and magnetic fields to confine charged particles. The goal of these studies has been to find potential signals for Lorentz violation.
Papers include:
-
Testing CPT with Anomalous Magnetic Moments,
Coauthors: Robert Bluhm and Alan Kostelecky
Phys. Rev. Lett. 79, 1432 (1997)
Free access (hep-ph/9707364)
Journal link
- CPT and Lorentz Tests in Penning Traps,
Coauthors: Robert Bluhm and Alan Kostelecky
Phys. Rev. D 57, 3932 (1998)
Free access (hep-ph/9809543)
Journal link
-
Bound on CPT and Lorentz symmetry with a trapped electron,
Coauthors: R.K. Mittleman, I.I. Ioannou, and H.G. Dehmelt
Phys. Rev. Lett. 83, 2116 (1999)
Journal link
For an overview of some of the basic theory in these papers, see the presentation
Low-energy precision studies in quantum systems
given at the
June 2013 Summer School on the Lorentz- and CPT-violating Standard-Model Extension.
A recent paper by Yunhua Ding and Alan Kostelecky extending the above works to SME Lorentz-violating operators of higher mass dimension:
Lorentz-violating spinor electrodynamics and Penning traps
Phys. Rev. D 94, 056008 (2016)
Free access (arxiv:1608.07868)
A useful review of aspects of Penning traps by L.S. Brown and G. Gabrielse:
Geonium theory: Physics of a single electron or ion in a Penning trap,
Reviews of Modern Physics, 58, 233 (1986)
Free access via author web page
Archive listing for Penning Traps
Neil Russell: research page