Gauge-invariant modification of Witten's open superstring
Gauge-invariant modification of Witten's open superstring
复制标题
维滕开超弦的规范不变修正
DOI：
10.1016/0370-2693(88)91287-7
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发表时间：
1988
影响因子：
4.4
通讯作者：
S. Samuel
中科院分区：
文献类型：
--
作者：
O. Lechtenfeld;S. Samuel
最近发现了维滕的开超弦场论中规范不变性的破坏。我们提出了一个修改，它解决了这个问题，避免碰撞的图片改变运营商。费曼规则的修改，规范不变的理论，包括一个有用的表示的雷蒙传播。所有的四点振幅离壳有限，同意在壳与Polyakov方法，并表现出去耦的虚假的物理状态。
A violation of gauge invariance in Witten's open superstring field theory has recently been discovered. We propose a modification which resolves this problem by avoiding the collision of picture-changing operators. Feynman rules for the modified, gauge-invariant theory are presented, including a useful representation for the Ramond propagator. All four-point amplitudes are off-shell finite, agree on-shell with the Polyakov approach and exhibit decoupling of spurious physical states.