The rotator spectrum in the delta-regime of the O(n) effective field theory in 3 and 4 dimensions
Megjelenés dátuma: 2011
MTMT: 2843284
WoS ID: 000283695200004
Scopus ID: 77957755249
Absztrakt:
The low lying spectrum or the O(n) effective field theory is calculated in the delta-regime in 3 and 4 space-time dimensions using lattice regularization to NNL order. It allows, in particular, to determine, using numerical simulations in different spatial volumes, the pion decay constant F in QCD with 2 flavours or the spin stiffness rho for an antiferromagnet in d = 2 + 1 dimensions. (C) 2010 Elsevier B.V. All rights reserved.
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