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arXiv 0902.2956hep-th
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非对易U(1)规范理论的可重整化性--代数方法

On the Renormalizability of Noncommutative U(1) Gauge Theory - an Algebraic Approach

L. C. Q. Vilar, O. S. Ventura, D. G. Tedesco, V. E. R. Lemes

摘要:

我们研究了非定域规范不变算符$\frac{1}{{}{D}^{2}}{F}_{μν}\ast \frac{1}{{}{D}^{2}}{F}^{μν}$在非对易U(1)作用量中的量子效应及其对红外区理论的影响。这类非定域算符的提出是为了解决非对易规范理论的红外问题,避免了洛伦兹不变性的显破缺问题。最近,在本地化的运营商的第一步是通过引入一个额外的张量物质场完成的,并进行了$(Eur.Phys.J.\textbf{C62}:433-443,2009)$的第一个循环分析。我们将完成这一本地化,避免引入新的自由度以外的原始行动,只使用BRST的双重。这将使我们能够进行一个完整的BRST代数研究的理论的重正化,以下Zwanziger的本地化的非本地运营商在QFT的方法。

英文摘要:

We investigate the quantum effects of the nonlocal gauge invariant operator $\frac{1}{{}{D}^{2}}{F}_{μν}\ast \frac{1}{{}{D}^{2}}{F}^{μν}$ in the noncommutative U(1) action and its consequences to the infrared sector of the theory. Nonlocal operators of such kind were proposed to solve the infrared problem of the noncommutative gauge theories evading the questions on the explicit breaking of the Lorentz invariance. More recently, a first step in the localization of this operator was accomplished by means of the introduction of an extra tensorial matter field, and the first loop analysis was carried out $(Eur.Phys.J.\textbf{C62}:433-443,2009)$. We will complete this localization avoiding the introduction of new degrees of freedom beyond those of the original action by using only BRST doublets. This will allow us to make a complete BRST algebraic study of the renormalizability of the theory, following Zwanziger's method of localization of nonlocal operators in QFT.

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