Pion mass dependence of the nucleon mass and chiral extrapolation of lattice data in the chiral quark soliton model

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Abstract
The dependence of the nucleon mass on the mass of the pion is studied in the framework of the chiral quark-soliton model. A remarkable agreement is observed with lattice data from recent full dynamical simulations. The possibility and limitations to use the results from the chiral quark soliton model as a guideline for the chiral extrapolation of lattice data are discussed. A comparison to other extrapolation approaches based on chiral perturbation theory and the finite range regulator method is made.

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