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Title: 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:
 [1];  [2]
  1. Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. 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}
}

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Cited by: 11 works
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Works referencing / citing this record:

Effective field theory for vibrations in odd-mass nuclei
journal, November 2016


Effective field theory for vibrations in odd-mass nuclei
text, January 2016


Effective field theory for vibrations in odd-mass nuclei
journal, November 2016