Speaker
Terry E Tomboulis
(UCLA Department of Physics)
Description
The possibility of Lorentz symmetry (spontaneous) breaking (LSB) has attracted
considerable attention in recent years for a variety of reasons,
including the attractive prospect of the graviton as a Goldstone boson.
Though a number of effective field theory analyses of such phenomena have
recently been given it remains an open question whether they can take place
in an underlying UV complete theory. Here we consider the question of
LSB in large N lattice gauge theories in the strong coupling limit.
We apply techniques that
have previously been used to correctly predict the formation of chiral
symmetry breaking condensates in this limit.
Generalizing such methods to other composite operators we find that certain
LSB condensates can indeed form. In addition, the interesting possibility
arises of
condensates that 'lock' internal with external symmetries.
The implications of such phenomena for the construction of
quantum gravity theories are briefly discussed.
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Primary author
Terry E Tomboulis
(UCLA Department of Physics)
