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Cascading Multicriticality in Nonrelativistic Spontaneous Symmetry Breaking

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Title: Cascading Multicriticality in Nonrelativistic Spontaneous Symmetry Breaking
Authors: Griffin, T
Grosvenor, KT
Horava, P
Yan, Z
Item Type: Journal Article
Abstract: Without Lorentz invariance, spontaneous global symmetry breaking can lead to multicritical Nambu-Goldstone modes with a higher-order low-energy dispersion ω∼kn (n=2,3,…), whose naturalness is protected by polynomial shift symmetries. Here, we investigate the role of infrared divergences and the nonrelativistic generalization of the Coleman-Hohenberg-Mermin-Wagner (CHMW) theorem. We find novel cascading phenomena with large hierarchies between the scales at which the value of n changes, leading to an evasion of the “no-go” consequences of the relativistic CHMW theorem.
Issue Date: 9-Dec-2015
Date of Acceptance: 28-Jul-2015
URI: http://hdl.handle.net/10044/1/40253
DOI: http://dx.doi.org/10.1103/PhysRevLett.115.241601
ISSN: 1079-7114
Publisher: American Physical Society
Journal / Book Title: Physical Review Letters
Volume: 115
Issue: 24
Copyright Statement: © 2015 American Physical Society
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
GOLDSTONE BOSONS
2 DIMENSIONS
General Physics
02 Physical Sciences
Publication Status: Published
Article Number: 241601
Appears in Collections:Physics
Theoretical Physics



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