Expanding 3d $$ mathcal{N} $$ = 2 theories around the round sphere

Expanding 3d $$ mathcal{N} $$ = 2 theories around the round sphere
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围绕圆球扩展 3d $$ mathcal{N} $$ = 2 个理论

DOI:
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发表时间:
2019
影响因子:
5.4
通讯作者:
M. Yamazaki
M. Yamazaki
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Dongmin Gang;M. Yamazaki

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摘要 我们研究了被挤压的3-球面$$Left({S}_b^3)的微扰展开 夜)$$ S B类 3. 3D$$数学{N}$$的配分函数 N =2关于挤压参数b=1的规范理论。我们的建议给出了极限b→0(所谓的Bethe真空)中超对称局域积分鞍点上的微扰展开系数的有限和,每个Bethe真空的贡献可以用鞍点方法系统地计算出来。我们的展开为计算IR超共形场理论的基本CFT数据(F、CT、CJJ和应力-能量张量的高点关联函数)提供了一种有效而实用的方法,而不需要进行局域积分。
Abstract We study a perturbative expansion of the squashed 3-sphere $$ left({s}_b^3 ight) $$ s b 3 partition function of 3d $$ mathcal{N} $$ N = 2 gauge theories around the squashing parameter b = 1. Our proposal gives the coefficients of the perturbative expansion as a finite sum over the saddle points of the supersymmetric-localization integral in the limit b → 0 (the so-called Bethe vacua), and the contribution from each Bethe vacua can be systematically computed using saddle-point methods. Our expansion provides an efficient and practical method for computing basic CFT data (F, CT, CJJ and higher-point correlation functions of the stress-energy tensor) of the IR superconformal field theory without performing the localization integrals.
DOI: 10.1007/jhep07(2018)127
发表时间: 2017-12
影响因子: 5.4
作者:
M. Aaboud;G. Aad;B. Abbott;O. Abdinov;Baptiste Abeloos;S. H. Abidi;O. AbouZeid;N. Abraham;
通讯作者: M. Aaboud;G. Aad;B. Abbott;O. Abdinov;Baptiste Abeloos;S. H. Abidi;O. AbouZeid;N. Abraham;
3d 应力张量引导程序
DOI: 10.1007/jhep02(2018)164
发表时间: 2018
影响因子: 5.4
作者:
Dymarsky, Anatoly;Kos, Filip;Kravchuk, Petr;Poland, David;Simmons-Duffin, David
通讯作者: Simmons-Duffin, David