A gauge-fixing action for lattice gauge theories
نویسندگان
چکیده
منابع مشابه
Lattice Chiral Gauge Theories through Gauge Fixing
After an introduction in which we review the fundamental difficulty in constructing lattice chiral gauge theories, we discuss the analytic and numerical evidence that abelian lattice chiral gauge theories can be non-perturbatively constructed through the gauge-fixing approach. While a complete non-abelian extension is still under construction, we also show how fermion-number violating processes...
متن کاملAbelian and Nonabelian Lattice Chiral Gauge Theories through Gauge Fixing
After an introduction in which we review the fundamental difficulty in constructing lattice chiral gauge theories, we summarize the analytic and numerical evidence that abelian lattice chiral gauge theories can be nonperturbatively constructed through the gauge-fixing approach. In addition, we indicate how we believe that the method may be extended to nonabelian chiral gauge theories.
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The formulation of gauge theories on the lattice does not require gauge fixing. However, to study Green’s functions of the fundamental fields, it is unavoidable to pick a gauge. Moreover, the correlation functions of the fundamental fields can be used to compute renormalization constants or non-perturbative coefficients used in numerical simulations. For a general overview on gauge fixing in la...
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In the lattice gauge theories where the links belong to a compact group, the gauge fixing is necessary only in the case of the measure of a gauge dependent operator. An expression similar to (1) but without having gauge fixed the links, defines the expectation value of a gauge independent operator. Moreover, in a lattice simulation there is no need to compute the Faddeev-Popov determinant becau...
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We review some analytic results on the deconfinement transition in pure lattice gauge theories. In particular we discuss the relationship between the deconfinement transition in the (d + 1)-dimensional SU(2) model and the magnetization transition in the d-dimensional Ising model. This analysis leads to a precise estimate of the deconfinement temperature which agrees well with that obtained with...
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ژورنال
عنوان ژورنال: Physics Letters B
سال: 1997
ISSN: 0370-2693
DOI: 10.1016/s0370-2693(97)00277-3