Effective field theory of emergent symmetry breaking in deformed atomic nuclei
Abstract
Spontaneous symmetry breaking in non-relativistic quantum systems has previously been addressed in the framework of effective field theory. Low-lying excitations are constructed from Nambu–Goldstone modes using symmetry arguments only. In this study, we extend that approach to finite systems. The approach is very general. To be specific, however, we consider atomic nuclei with intrinsically deformed ground states. The emergent symmetry breaking in such systems requires the introduction of additional degrees of freedom on top of the Nambu–Goldstone modes. Symmetry arguments suffice to construct the low-lying states of the system. Lastly, in deformed nuclei these are vibrational modes each of which serves as band head of a rotational band.
- Authors:
-
- Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- Max Planck Inst. fur Kernphysik, Heidelberg (Germany)
- Publication Date:
- Research Org.:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Nuclear Physics (NP)
- OSTI Identifier:
- 1302919
- Alternate Identifier(s):
- OSTI ID: 1238901
- Grant/Contract Number:
- AC05-00OR22725; FG02-96ER40963
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of Physics. G, Nuclear and Particle Physics
- Additional Journal Information:
- Journal Volume: 42; Journal Issue: 10; Journal ID: ISSN 0954-3899
- Publisher:
- IOP Publishing
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 73 NUCLEAR PHYSICS AND RADIATION PHYSICS; deformed nuclei; effective field theory; emergent symmetry breaking
Citation Formats
Papenbrock, Thomas F., and Weidenmüller, H. A. Effective field theory of emergent symmetry breaking in deformed atomic nuclei. United States: N. p., 2015.
Web. doi:10.1088/0954-3899/42/10/105103.
Papenbrock, Thomas F., & Weidenmüller, H. A. Effective field theory of emergent symmetry breaking in deformed atomic nuclei. United States. https://doi.org/10.1088/0954-3899/42/10/105103
Papenbrock, Thomas F., and Weidenmüller, H. A. Thu .
"Effective field theory of emergent symmetry breaking in deformed atomic nuclei". United States. https://doi.org/10.1088/0954-3899/42/10/105103. https://www.osti.gov/servlets/purl/1302919.
@article{osti_1302919,
title = {Effective field theory of emergent symmetry breaking in deformed atomic nuclei},
author = {Papenbrock, Thomas F. and Weidenmüller, H. A.},
abstractNote = {Spontaneous symmetry breaking in non-relativistic quantum systems has previously been addressed in the framework of effective field theory. Low-lying excitations are constructed from Nambu–Goldstone modes using symmetry arguments only. In this study, we extend that approach to finite systems. The approach is very general. To be specific, however, we consider atomic nuclei with intrinsically deformed ground states. The emergent symmetry breaking in such systems requires the introduction of additional degrees of freedom on top of the Nambu–Goldstone modes. Symmetry arguments suffice to construct the low-lying states of the system. Lastly, in deformed nuclei these are vibrational modes each of which serves as band head of a rotational band.},
doi = {10.1088/0954-3899/42/10/105103},
journal = {Journal of Physics. G, Nuclear and Particle Physics},
number = 10,
volume = 42,
place = {United States},
year = {Thu Sep 03 00:00:00 EDT 2015},
month = {Thu Sep 03 00:00:00 EDT 2015}
}
Web of Science
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Works referencing / citing this record:
Effective field theory for vibrations in odd-mass nuclei
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Effective field theory for vibrations in odd-mass nuclei
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Effective field theory for vibrations in odd-mass nuclei
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