Exact results in supersymmetric gauge theories
Exact results in supersymmetric gauge theories
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超对称规范理论的精确结果
DOI:
--
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发表时间:
2014
期刊:
影响因子:
--
通讯作者:
Saulius Valatka
中科院分区:
文献类型:
--
作者:
Saulius Valatka
In this thesis we discuss supersymmetric gauge theories, focusing on exact results achieved using methods of integrability. For the larger portion of the thesis we study the N=4 super Yang-Mills theory in the planar limit, a recurring topic being the Konishi anomalous dimension, which is roughly the analogue for the mass of the proton in quantum chromodynamics. The N=4 supersymmetric Yang-Mills theory is known to be integrable in the planar limit, which opens up a wealth of techniques one can employ in order to find results in this limit valid at any value of the coupling. We begin with perturbation theory where the integrability of the theory first manifests itself. Here we showcase the first exact result, the so-called slope function, which is the linear small spin expansion coefficient of the generalized Konishi anomalous dimension. We then move on to exact results mainly achieved using the novel quantum spectral curve approach, the method allowing one to find scaling dimensions of operators at arbitrary values of the coupling. As an example we find the second coefficient in the small spin expansion after the slope, which we call the curvature function. This allows us to extract non-trivial information about the Konishi operator. Methods of integrability are also applicable to other supersymmetric gauge theories such as ABJM, which in fact shares many similarities with N=4 super Yang-Mills. We briefly review these parallel developments in the last chapter of the thesis.
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影响因子:
2.8
作者:
Lukowski T
通讯作者:
Lukowski T
DOI:
10.1016/j.nuclphysb.2004.03.030
发表时间:
2004-03
期刊:
--
影响因子:
--
作者:
S. Moch;J. Vermaseren;A. Vogt
通讯作者:
S. Moch;J. Vermaseren;A. Vogt
影响因子:
5.4
作者:
N. Drukker;V. Forini
通讯作者:
N. Drukker;V. Forini
影响因子:
5.4
作者:
L. Bianchi;M. S. Bianchi;Alexis Brès;V. Forini;E. Vescovi
通讯作者:
L. Bianchi;M. S. Bianchi;Alexis Brès;V. Forini;E. Vescovi
影响因子:
1.2
作者:
Beisert N
通讯作者:
Beisert N