paper

Lattice Green functions in all dimensions

arXiv:1004.1435 · doi:10.1088/1751-8113/43/30/305205

Abstract

We give a systematic treatment of lattice Green functions (LGF) on the -dimensional diamond, simple cubic, body-centred cubic and face-centred cubic lattices for arbitrary dimensionality for the first three lattices, and for for the hyper-fcc lattice. We show that there is a close connection between the LGF of the -dimensional hypercubic lattice and that of the -dimensional diamond lattice. We give constant-term formulations of LGFs for all lattices and dimensions. Through a still under-developed connection with Mahler measures, we point out an unexpected connection between the coefficients of the s.c., b.c.c. and diamond LGFs and some Ramanujan-type formulae for

30 pages

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