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arXiv 1407.7815hep-thmath-phmath.MPnlin.SIquant-ph
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大维度算子与 Young 图振子代数之间的关系

Relation between large dimension operators and oscillator algebra of Young diagrams

Hai Lin

AI总结:

本文研究由 Young 图标记的大维度算子,证明作用于长行或长列的振子代数可由 u(p) 中 u(2) 的 Inonu-Wigner 收缩得到,并据此论证非平面大 N 极限下高圈可积性仍可保持。

摘要:

具有大标度维度的算子可以用 Young 图标记。在其他基中,使用受限 Schur 多项式的算子已知具有大 N 但非平面极限,在该极限下它们映射到谐振子系统的态。我们分析了作用于这些算子的 Young 图中成对长行或长列上的振子代数。该振子代数可以通过对 p 个巨引力子的 u(p) 代数内部的 u(2) 代数进行 Inonu-Wigner 收缩得到。我们给出证据表明,由于振子代数的存在,此情形下的可积性可以在更高圈持续存在;在非平面大 N 极限中,预计该振子代数在圈修正下具有稳健性。

英文摘要:

The operators with large scaling dimensions can be labelled by Young diagrams. Among other bases, the operators using restricted Schur polynomials have been known to have a large $N$ but nonplanar limit under which they map to states of a system of harmonic oscillators. We analyze the oscillator algebra acting on pairs of long rows or long columns in the Young diagrams of the operators. The oscillator algebra can be reached by a Inonu-Wigner contraction of the $u(2)$ algebra inside of the $u(p)$ algebra of $p$ giant gravitons. We present evidences that integrability in this case can persist at higher loops due to the presence of the oscillator algebra which is expected to be robust under loop corrections in the nonplanar large $N$ limit.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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