INTERNATIONAL CENTRE FOR THEORETICAL PHYSICS Gravitational Lorentz anomaly from the overlap formula in 2-dimensions
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چکیده
In this letter we show that the overlap formulation of chiral gauge theories correctly reproduces the gravitational Lorentz anomaly in 2-dimensions. This formulation has been recently suggested as a solution to the fermion doubling problem on the lattice.The well known response to general coordinate transformations of the effective action of Weyl fermions coupled to gravity in 2-dimensions can also be recovered.
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تاریخ انتشار 1994