Finite volume effects in SU(2) with two adjoint fermions

Luigi Del Debbio, Biagio Lucini, Agostino Patella, Claudio Pica, Antonio Rago

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Abstrakt

Many evidences from lattice simulations support the idea that SU(2) with two Dirac flavors in the adjoint representation (also called Minimal Walking Technicolor) is IR conformal. A possible way to see this is through the behavior of the spectrum of the mass-deformed theory. When fermions are massive, a mass-gap is generated and the theory is confined. IR-conformality is recovered in the chiral limit: masses of particles vanish in the chiral limit, while their ratios stay finite. In order to trust this analysis one has to relay on the infinite volume extrapolation. We will discuss the finite volume effects on the mesonic spectrum, investigated by varying the size of the lattice and by changing the boundary conditions for the fields.
OriginalsprogEngelsk
TidsskriftP o S - Proceedings of Science
Vol/bind2011
Udgave nummer84
ISSN1824-8039
StatusUdgivet - 20. nov. 2011

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