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Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry

Graham Shore

Nuclear Physics B, Volume: 717, Issue: 1-2, Pages: 86 - 118

Swansea University Author: Graham Shore

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DOI (Published version): 10.1016/j.nuclphysb.2005.03.040

Abstract

The strong equivalence principle, local Lorentz invariance and CPT symmetry are fundamental ingredients of the quantum field theories used to describe elementary par- ticle physics. Nevertheless, each may be violated by simple modifications to the dynamics while apparently preserving the essential f...

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Published in: Nuclear Physics B
Published: Elsevier 2005
URI: https://cronfa.swan.ac.uk/Record/cronfa1529
first_indexed 2013-07-23T11:47:35Z
last_indexed 2018-02-09T04:28:50Z
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spelling 2014-03-20T21:10:06.7699175 v2 1529 2011-10-01 Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry 28a24f55687c82d6f3ee378ead3cf234 Graham Shore Graham Shore true false 2011-10-01 The strong equivalence principle, local Lorentz invariance and CPT symmetry are fundamental ingredients of the quantum field theories used to describe elementary par- ticle physics. Nevertheless, each may be violated by simple modifications to the dynamics while apparently preserving the essential fundamental structure of quantum field theory itself. In this paper, we analyse the construction of strong equivalence, Lorentz and CPT violating Lagrangians for QED and review and propose some experimental tests in the fields of astrophysical polarimetry and precision atomic spectroscopy. In particular, mod- ifications of the Maxwell action predict a birefringent rotation of the direction of linearly polarised radiation from synchrotron emission which may be studied using radio galaxies or, potentially, gamma-ray bursts. In the Dirac sector, changes in atomic energy levels are predicted which may be probed in precision spectroscopy of hydrogen and anti-hydrogen atoms, notably in the Doppler-free, two-photon 1s − 2s and 2s − nd (n ∼ 10) transitions. Journal Article Nuclear Physics B 717 1-2 86 118 Elsevier 20 6 2005 2005-06-20 10.1016/j.nuclphysb.2005.03.040 This paper analyses the formal structure of Lorentz and CPT-violating effective field theories and proposes new experimental tests involving gamma-ray burst polarimetry and precision hydrogen and anti-hydrogen spectroscopy. COLLEGE NANME COLLEGE CODE Swansea University 2014-03-20T21:10:06.7699175 2011-10-01T00:00:00.0000000 Faculty of Science and Engineering School of Biosciences, Geography and Physics - Physics Graham Shore 1
title Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
spellingShingle Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
Graham Shore
title_short Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
title_full Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
title_fullStr Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
title_full_unstemmed Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
title_sort Strong equivalence, Lorentz and CPT violation, anti-hydrogen spectroscopy and gamma-ray burst polarimetry
author_id_str_mv 28a24f55687c82d6f3ee378ead3cf234
author_id_fullname_str_mv 28a24f55687c82d6f3ee378ead3cf234_***_Graham Shore
author Graham Shore
author2 Graham Shore
format Journal article
container_title Nuclear Physics B
container_volume 717
container_issue 1-2
container_start_page 86
publishDate 2005
institution Swansea University
doi_str_mv 10.1016/j.nuclphysb.2005.03.040
publisher Elsevier
college_str Faculty of Science and Engineering
hierarchytype
hierarchy_top_id facultyofscienceandengineering
hierarchy_top_title Faculty of Science and Engineering
hierarchy_parent_id facultyofscienceandengineering
hierarchy_parent_title Faculty of Science and Engineering
department_str School of Biosciences, Geography and Physics - Physics{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Biosciences, Geography and Physics - Physics
document_store_str 0
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description The strong equivalence principle, local Lorentz invariance and CPT symmetry are fundamental ingredients of the quantum field theories used to describe elementary par- ticle physics. Nevertheless, each may be violated by simple modifications to the dynamics while apparently preserving the essential fundamental structure of quantum field theory itself. In this paper, we analyse the construction of strong equivalence, Lorentz and CPT violating Lagrangians for QED and review and propose some experimental tests in the fields of astrophysical polarimetry and precision atomic spectroscopy. In particular, mod- ifications of the Maxwell action predict a birefringent rotation of the direction of linearly polarised radiation from synchrotron emission which may be studied using radio galaxies or, potentially, gamma-ray bursts. In the Dirac sector, changes in atomic energy levels are predicted which may be probed in precision spectroscopy of hydrogen and anti-hydrogen atoms, notably in the Doppler-free, two-photon 1s − 2s and 2s − nd (n ∼ 10) transitions.
published_date 2005-06-20T06:04:04Z
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score 11.057774

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