Parameters of the lowest order chiral Lagrangian from fermion eigenvalues
نویسندگان
چکیده
منابع مشابه
The complete lowest order chiral Lagrangian from a little box
We recently performed a pilot study determining the parameters of the leading order chiral La-grangian from distributions of the eigenvalues of a quenched Dirac operator coupled to an imaginary isospin chemical potential. We complement a quick survey of our recent preprint [1] by addressing some points raised during discussions at the conference.
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provides the smallest eigenvalue, together with the corresponding eigenvector. The minimum of a functional can be found iteratively by the method of conjugate gradients (CG)[1], its application to the special case of the Ritz functional has been worked out by Geradin[2] and Fried[3]. If a small number of lowest eigenvalues is required instead, q(x) may be minimised repeatedly, restricting x to ...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2007
ISSN: 1550-7998,1550-2368
DOI: 10.1103/physrevd.76.094509