Effective field theory and matching in nonrelativistic gauge theories
نویسندگان
چکیده
منابع مشابه
Matching in Nonrelativistic Effective Quantum Field Theories
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متن کاملEffective Field Theory and Matching in Non-Relativistic Gauge Theories
The effective Lagrangian and power counting rules for non-relativistic gauge theories are derived via a systematic expansion in the large c limit. It is shown that the 1/c expansion leads to an effective field theory which incorporates a multipole expansion. Within this theory there is no need for heuristic arguments to determine the scalings of operators. After eliminating c from the lowest or...
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The eeective Lagrangian and power counting rules for non-relativistic gauge theories are derived via a systematic expansion in the large c limit. It is shown that the 1=c expansion leads to an eeective eld theory which incorporates a multi-pole expansion. Within this theory there is no need for heuristic arguments to determine the scalings of operators. After eliminating c from the lowest order...
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An effective field theory treatment of nucleon-nucleon scattering at low energy shows much promise and could prove a useful tool in the study of nuclear matter at both ordinary and extreme densities. The analysis is complicated by the existence a large length scale — the scattering length — which arises due to couplings in the short distance theory being near critical values. I show how this ca...
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A four-dimensional gauge theory with anomalous fermion content can be consistently quantized, provided that at least some gauge fields are permitted to have nonvanishing masses. Such a theory is nonrenormalizable; there is a maximal value of the ultraviolet cutoff ,4. beyond which the locality of the theory breaks down. The maximal ,4 can be estimated in perturbation theory and has a qualitativ...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 1998
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.57.78