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Lifshitz anomalies, Ward identities and split dimensional regularization
2017
Journal of High Energy Physics
We analyze the structure of the stress-energy tensor correlation functions in Lifshitz field theories and construct the corresponding anomalous Ward identities. We develop a framework for calculating the anomaly coefficients that employs a split dimensional regularization and the pole residues. We demonstrate the procedure by calculating the free scalar Lifshitz scale anomalies in 2+1 spacetime dimensions. We find that the analysis of the regularization dependent trivial terms requires a curved
doi:10.1007/jhep03(2017)088
fatcat:2tpuqwvvifh7thsoudnxzvy2re