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Title:
What is a “spontaneously broken” gauge symmetry? Subtitle: The Higgs phase as a spin glass, and excited states of elementary fermions

Speaker:
Jeff Greensite

Abstract:
I will show that there is a close analogy between spin glasses and the Higgs phase of a gauge Higgs theory, with the Higgs field in the fundamental representation of the gauge group. The Higgs and confinement phases are distinguished both by symmetry breaking (as determined by a gauge theory version of the Edwards-Anderson order parameter), and by qualitatively different types of confinement.  I will also show some preliminary numerical data which suggests the existence of stable excitations of the bosonic fields surrounding static fermions in the Higgs phase of a gauge Higgs theory.

Link:
http://scgp.stonybrook.edu/video_portal/video.php?id=4538

Workshop:
Simons- Summer seminar series: Applications of gauge topology, holography and string models to QCD