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Proceedings of XXIVth International Symposium on Lattice Field Theory — PoS(LAT2006)
We discuss the extraction of the electromagnetic and spin polarisabilities of nucleons from lattice QCD. We show that the external field method can be used to measure all the electromagnetic and spin polarisabilities including those of charged particles. We then turn to the extrapolations required to connect such calculations to experiment in the context of finite volume chiral perturbation theory. We derive results relevant for lattice simulations of QCD, partially-quenched QCD and quencheddoi:10.22323/1.032.0103 fatcat:gwmy6x2uinflxjff2wh5bozfva