Physics – High Energy Physics – High Energy Physics - Lattice
Scientific paper
2006-02-27
Phys.Rev. D73 (2006) 074023
Physics
High Energy Physics
High Energy Physics - Lattice
7 pages, 5 figures
Scientific paper
10.1103/PhysRevD.73.074023
We calculate the response of the microscopic Dirac spectrum to an imaginary isospin chemical potential for QCD with two dynamical flavors in the chiral limit. This extends our previous calculation from the quenched to the unquenched theory. The resulting spectral correlation function in the $\epsilon$-regime provides here, too, a new and efficient way to measure $F_\pi$ on the lattice. We test the method in a hybrid Monte Carlo simulation of the theory with two staggered quarks.
Damgaard Poul H.
Heller Urs M.
Splittorff Kim
Svetitsky Benjamin
Toublan Dominique
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