Effective field theory of emergent symmetry breaking in deformed atomic nuclei

Papenbrock, Thomas F.; Weidenmüller, H. A.

doi:10.1088/0954-3899/42/10/105103

Title: Effective field theory of emergent symmetry breaking in deformed atomic nuclei

Journal Article · Thu Sep 03 00:00:00 EDT 2015 · Journal of Physics. G, Nuclear and Particle Physics

DOI:https://doi.org/10.1088/0954-3899/42/10/105103· OSTI ID:1302919

Papenbrock, Thomas F. ^[1]; Weidenmüller, H. A. ^[2]

Univ. of Tennessee, Knoxville, TN (United States); Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
Max Planck Inst. fur Kernphysik, Heidelberg (Germany)

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.

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Research Organization:: Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP)

Grant/Contract Number:: AC05-00OR22725; FG02-96ER40963

OSTI ID:: 1302919

Alternate ID(s):: OSTI ID: 1238901

Journal Information:: Journal of Physics. G, Nuclear and Particle Physics, Vol. 42, Issue 10; ISSN 0954-3899

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 11 works

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Cited By (2)

Effective field theory for vibrations in odd-mass nuclei Coello Pérez, E. A.; Papenbrock, T. Physical Review C, Vol. 94, Issue 5 https://doi.org/10.1103/physrevc.94.054316	journal	November 2016
Effective field theory for vibrations in odd-mass nuclei Pérez, E. A. Coello; Papenbrock, T. arXiv https://doi.org/10.48550/arxiv.1608.02802	text	January 2016

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