The Lattice Schrodinger Functional and the Background Field Effective Action
classification
✦ hep-lat
hep-th
keywords
latticeactionbackgroundeffectiveexternalfieldfunctionalgauge
read the original abstract
We propose a new method that by using the lattice Schr\"odinger functional allows to investigate the effective action for external background fields in lattice gauge theories. We show that this method gives sensible results for the case of four-dimensional U(1) gauge theory in an external constant magnetic field.
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