کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
1851598 1528807 2015 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
On the weak N  -dependence of SO(N)SO(N) and SU(N)SU(N) gauge theories in 2+12+1 dimensions
موضوعات مرتبط
مهندسی و علوم پایه فیزیک و نجوم فیزیک هسته ای و انرژی بالا
پیش نمایش صفحه اول مقاله
On the weak N  -dependence of SO(N)SO(N) and SU(N)SU(N) gauge theories in 2+12+1 dimensions
چکیده انگلیسی

We consider (continuum) mass ratios of the lightest ‘glueballs’ as a function of N   for SO(N)SO(N) and SU(N)SU(N) lattice gauge theories in D=2+1D=2+1. We observe that the leading large N correction is usually sufficient to describe the N  -dependence of SO(N≥3)SO(N≥3) and SU(N≥2)SU(N≥2), within the errors of the numerical calculation. Just as interesting is the fact that the coefficient of this correction almost invariably turns out to be anomalously small, for both SO(N)SO(N) and SU(N)SU(N). We point out that this can follow naturally from the strong constraints that one naively expects from the Lie algebra equivalence between certain SO(N)SO(N) and SU(N′)SU(N′) theories and the equivalence of SO(∞)SO(∞) and SU(∞)SU(∞). The same argument for a weak N  -dependence can in principle apply to SU(N)SU(N) and SO(N)SO(N) gauge theories in D=3+1D=3+1.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Physics Letters B - Volume 749, 7 October 2015, Pages 448–453
نویسندگان
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