N=4的极大超对称和边缘变形的Yang-Mills中的包裹
Wrapping in maximally supersymmetric and marginally deformed N=4 Yang-Mills
摘要：
本文证明了在放松圈性约束后，在轻微β变形的N=4的Yang-Mills中，对于实变形β和β +1/L，SU（2）-扇形自旋链的谱是相等的，包括缠绕。相等的证据是通过对动量为π的未变形磁振子的能量进行第一次包裹修正而给出的，并且对于几个自旋链长度L，β =1/2，物理磁振子。我们还证明了两个磁振子的最大超越性项与所有L的最大超越性项一致。作为一个副产品，我们提供了一个表达式的第一次包裹修正β = 1/2单磁振子运营商的尺寸，有效的所有甚至L。然后，我们将对称性应用于N=4的磁振子色散关系，获得其第一次包裹修正的一组离散的磁振子动量。
英文摘要：
In this note we give evidence for an equality of the spectra, including wrapping, of the SU(2)-sector spin chain for real deformations beta and beta+1/L, in marginally beta-deformed N=4 Yang-Mills, which appears after relaxing the cyclicity constraint. Evidence for the equality is given by evaluating the first wrapping correction to the energy of the undeformed magnon of momentum pi, and the beta=1/2, physical magnon, for several spin chain lengths L. We also show that the term of maximal transcendentality coincides for both magnons to all L. As a by-product we provide an expression for the first wrapping correction to the beta = 1/2 single-magnon operator dimension, valid for all even L. We then apply the symmetry to the magnon dispersion relation of N=4, obtaining its first wrapping correction for a discrete set of magnon momenta.
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