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Smooth interpolation of lattice gauge fields by signal processing methods
We digitally filter the Fourier modes of the link angles of an abelian lattice gauge field which produces the Fourier modes of a continuum Aμ(x) that exactly reproduces the lattice links through their definition as phases of finite parallel transport. The constructed interpolation is smooth (C∞), free from transition functions, and gauge equivariant. After discussing some properties of this int...
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ژورنال
عنوان ژورنال: Nuclear Physics B - Proceedings Supplements
سال: 1996
ISSN: 0920-5632
DOI: 10.1016/0920-5632(96)00183-1