Symmetry breaking in non-commutative cut-off field theories
classification
✦ hep-th
keywords
non-commutativebreakingcut-offfieldinhomogeneoussymmetrytheoriestransitions
read the original abstract
The relation between symmetry breaking in non-commutative cut-off field theories and transitions to inhomogeneous phases in condensed matter and in finite density QCD is discussed. The non-commutative dynamics, with its peculiar infrared-ultraviolet mixing, can be regarded as an effective description of the mechanisms which lead to inhomogeneous phase transitions and a roton-like excitation spectrum.
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