Axion Induced Oscillating Electric Dipole Moment of the Electron
Abstract
A cosmic axion, via the electromagnetic anomaly, induces an oscillating electric dipole for the electron of frequency ma and strength ~(few) x 10-32 e-cm, two orders of magnitude above the nucleon, and within a few orders of magnitude of the present standard model constant limit. We give a detailed study of this phenomenon via the interaction of the cosmic axion, through the electromagnetic anomaly, with particular emphasis on the decoupling limit of the axion, ∂ta(t) ∝ mα → 0. The analysis is subtle, and we find the general form of the action involves a local contact interaction and a nonlocal contribution, analogous to the “transverse current” in QED, that enforces the decoupling limit. We carefully derive the effective action in the Pauli-Schroedinger non-relativistic formalism, and in Georgi’s heavy quark formalism adapted to the “heavy electron” (me >> ma). We compute the electric dipole radiation emitted by free electrons, magnets and currents, immersed in the cosmic axion field, and discuss experimental configurations that may yield a detectable signal.
- Authors:
-
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Publication Date:
- Research Org.:
- Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- OSTI Identifier:
- 1223242
- Alternate Identifier(s):
- OSTI ID: 1234767
- Report Number(s):
- FERMILAB-PUB-15-350-T
Journal ID: ISSN 1550-7998; arXiv eprint number arXiv:1508.04083
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Physical Review. D, Particles, Fields, Gravitation and Cosmology
- Additional Journal Information:
- Journal Volume: 93; Journal Issue: 2; Journal ID: ISSN 1550-7998
- Publisher:
- American Physical Society (APS)
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
Citation Formats
Hill, Christopher T. Axion Induced Oscillating Electric Dipole Moment of the Electron. United States: N. p., 2016.
Web. doi:10.1103/PhysRevD.93.025007.
Hill, Christopher T. Axion Induced Oscillating Electric Dipole Moment of the Electron. United States. https://doi.org/10.1103/PhysRevD.93.025007
Hill, Christopher T. Tue .
"Axion Induced Oscillating Electric Dipole Moment of the Electron". United States. https://doi.org/10.1103/PhysRevD.93.025007. https://www.osti.gov/servlets/purl/1223242.
@article{osti_1223242,
title = {Axion Induced Oscillating Electric Dipole Moment of the Electron},
author = {Hill, Christopher T.},
abstractNote = {A cosmic axion, via the electromagnetic anomaly, induces an oscillating electric dipole for the electron of frequency ma and strength ~(few) x 10-32 e-cm, two orders of magnitude above the nucleon, and within a few orders of magnitude of the present standard model constant limit. We give a detailed study of this phenomenon via the interaction of the cosmic axion, through the electromagnetic anomaly, with particular emphasis on the decoupling limit of the axion, ∂ta(t) ∝ mα → 0. The analysis is subtle, and we find the general form of the action involves a local contact interaction and a nonlocal contribution, analogous to the “transverse current” in QED, that enforces the decoupling limit. We carefully derive the effective action in the Pauli-Schroedinger non-relativistic formalism, and in Georgi’s heavy quark formalism adapted to the “heavy electron” (me >> ma). We compute the electric dipole radiation emitted by free electrons, magnets and currents, immersed in the cosmic axion field, and discuss experimental configurations that may yield a detectable signal.},
doi = {10.1103/PhysRevD.93.025007},
journal = {Physical Review. D, Particles, Fields, Gravitation and Cosmology},
number = 2,
volume = 93,
place = {United States},
year = {2016},
month = {1}
}
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Works referencing / citing this record:
Axion-electrodynamics: a quantum field calculation
journal, February 2019
- Beutter, Marc; Pargner, Andreas; Schwetz, Thomas
- Journal of Cosmology and Astroparticle Physics, Vol. 2019, Issue 02
Cosmological -odd axion field as the coherent Berry’s phase of the Universe
journal, September 2017
- Ge, Shuailiang; Liang, Xunyu; Zhitnitsky, Ariel
- Physical Review D, Vol. 96, Issue 6
Cosmological CP odd axion field as the coherent Berry's phase of the Universe
text, January 2017
- Ge, Shuailiang; Liang, Xunyu; Zhitnitsky, Ariel
- arXiv
Revealing the Dark Matter Halo with Axion Direct Detection
text, January 2017
- Foster, Joshua W.; Rodd, Nicholas L.; Safdi, Benjamin R.
- arXiv