The torsional Chern-Simons term in a non-relativistic Schrodinger-invariant action reproduces, in form, the 1+1 Lifshitz Weyl anomaly on the boundary, though its coefficient is not fixed.
Anomalous Breaking of Anisotropic Scaling Symmetry in the Quantum Lifshitz Model
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abstract
In this note we investigate the anomalous breaking of anisotropic scaling symmetry in a non-relativistic field theory with dynamical exponent z=2. On general grounds, one can show that there exist two possible "central charges" which characterize the breaking of scale invariance. Using heat kernel methods, we compute these two central charges in the quantum Lifshitz model, a free field theory which is second order in time and fourth order in spatial derivatives. We find that one of the two central charges vanishes. Interestingly, this is also true for strongly coupled non-relativistic field theories with a geometric dual described by a metric and a massive vector field.
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A (1+1)-dimensional Lifshitz Weyl Anomaly From a Schr$\mathrm{\ddot{o}}$dinger-invariant Non-relativistic Chern-Simons Action
The torsional Chern-Simons term in a non-relativistic Schrodinger-invariant action reproduces, in form, the 1+1 Lifshitz Weyl anomaly on the boundary, though its coefficient is not fixed.