Exact Results in Non-Supersymmetric Large N Orientifold Field Theories
Exact Results in Non-Supersymmetric Large N Orientifold Field Theories
复制标题
非超对称大 N 方向场论的精确结果
DOI：
10.1016/s0550-3213(03)00538-8
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
G. Veneziano
中科院分区：
文献类型：
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作者：
A. Armoni;M. Shifman;M. Shifman;G. Veneziano
我们考虑非超对称大N定向折叠场论。具体地说，我们讨论的规范理论与狄拉克费米子在反对称张量表示。我们认为，在大N和在很大一部分的玻色子部门，这个理论是非微扰等价于N =1 SYM，使精确的结果建立在后者（父母）的理论也保持在女儿orientifold理论。特别是，非超对称理论有一个可精确计算的双费米子凝聚体，精确简并的宇称二重态，以及一个消失的宇宙学常数（所有这些都是以1/N为主导的）。
We consider non-supersymmetric large N orientifold field theories. Specifically, we discuss a gauge theory with a Dirac fermion in the antisymmetric tensor representation. We argue that, at large N and in a large part of its bosonic sector, this theory is nonperturbatively equivalent to N =1 SYM, so that exact results established in the latter (parent) theory also hold in the daughter orientifold theory. In particular, the non-supersymmetric theory has an exactly calculable bifermion condensate, exactly degenerate parity doublets, and a vanishing cosmological constant (all this to leading order in 1/N).