Discussion of the loop formula for the fermionic determinant
classification
✦ hep-lat
keywords
determinantdeterminantsfermionicformulasizesmallerderiveddiscussed
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A formula expressing the fermionic determinant (a large order polynomial) as an infinite product of smaller determinants is derived and discussed. These smaller determinants are of a fixed size, independent of the size of the lattice and are indexed by loops of increasing length.
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