String vacua with flux from freely-acting obifolds
String vacua with flux from freely-acting obifolds
复制标题
带有自由活动双折叠通量的真空弦
DOI：
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发表时间：
2003
期刊：
影响因子：
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通讯作者：
M. Trapletti
中科院分区：
文献类型：
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作者：
M. Serone;M. Trapletti
利用T-对偶性建立了自由作用轨道折叠（Scherk-Schwarz紧化）与NSNS通量打开的弦真空之间的精确对应。我们把我们的注意力集中到一定的非紧Z2杂种自由作用orbifold = 2超对称性（SUSY）。研究了T-对偶背景的几何性质。正如预期的那样，空间是非Kahler的，具有与超对称性兼容的最一般的挠率。除了NSNS场的比安奇恒等式外，所有的运动方程都满足，该恒等式仅在导数的首阶满足，即没有曲率项。我们指出，这是由于未知的标准杂种优势T-对偶规则的修正。
A precise correspondence between freely-acting orbifolds (Scherk-Schwarz compactifications) and string vacua with NSNS flux turned on is established using T-duality. We focus our attention to a certain non-compact Z2 heterotic freely-acting orbifold with = 2 supersymmetry (SUSY). The geometric properties of the T-dual background are studied. As expected, the space is non-Kahler with the most generic torsion compatible with SUSY. All equations of motion are satisfied, except the Bianchi identity for the NSNS field, that is satisfied only at leading order in derivatives, i.e. without the curvature term. We point out that this is due to unknown corrections to the standard heterotic T-duality rules.