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首页> 外文期刊>The journal of high energy physics >The T T ˉ $$ Toverline{T} $$ deformation at large central charge
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The T T ˉ $$ Toverline{T} $$ deformation at large central charge

机译: t t ˉ $$ t overline {t} $$ 大中心电荷变形

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A bstract We study Zamolodchikov’s T T ˉ $$ Toverline{T} $$ deformation of two dimensional quantum field theories in a ’t Hooft-like limit, in which we scale the number of degrees of freedom c to infinity and the deformation parameter t to zero, keeping their product t · c fixed (more precisely, we keep energies and distances fixed in units of t · c ). In this limit the Hagedorn temperature remains fixed, but other non-local aspects of the theory disappear. We show that in this limit correlation functions may be computed exactly, and they are local in space and polynomials in t . We compute explicitly the deformed three-point functions of the energy-momentum tensor for a T T ˉ $$ Toverline{T} $$ -deformed conformal field theory.
机译:Bstract我们研究Zamolodchikov的TTˉ$$ T overline {T} overline {T}在'T Hooft的极限中的二维量子域理论的变形,其中我们将自由度C的程度缩放到无限远和变形参数 T至零,保持其产品T·C固定(更确切地说,我们保持精力和以T·C为单位固定的能量和距离)。 在这个限制中,Hagageorn温度仍然是固定的,但理论的其他非本地方面消失了。 我们表明,在这种限制中,可以准确地计算相关功能,并且它们是空间中的局部和T的多项式。 我们明确计算了能量动量张量的变形三点函数,用于T = $$ T overline {t} $$ --deformed保形场理论。

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