Bootstrapping 3D fermions

Bootstrapping 3D fermions
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自举 3D 费米子

DOI:
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发表时间:
2015
期刊:
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通讯作者:
Ran Yacoby
Ran Yacoby
中科院分区:
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文献类型:
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作者:
Luca Iliesiu;Filip Kos;David Poland;Silviu S. Pufu;David Simmons;Ran Yacoby

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本文研究了三维费米子四点函数的共形自举。我们首先介绍3D旋量的嵌入形式并计算费米子4点函数中出现的共形块。利用这些结果,我们找到了出现在ε × ε OPE中的算子维数的一般界,也找到了中心电荷CT的一般界。我们观察到的功能,在我们的边界,符合缩放尺寸在大N的GrossNeveu模型。我们还推测,其他功能可以符合一个费米子CFT不包含相关的标量算子。
A bstractWe study the conformal bootstrap for a 4-point function of fermions 〈ψψψψ〉 in 3D. We first introduce an embedding formalism for 3D spinors and compute the conformal blocks appearing in fermion 4-point functions. Using these results, we find general bounds on the dimensions of operators appearing in the ψ × ψ OPE, and also on the central charge CT . We observe features in our bounds that coincide with scaling dimensions in the GrossNeveu models at large N . We also speculate that other features could coincide with a fermionic CFT containing no relevant scalar operators.