论文标题
非苏匹配RICCI平坦背景的弦曲rimantions
Stringy Tachyonic Instabilities of Non-Supersymmetric Ricci Flat Backgrounds
论文作者
论文摘要
最近，每当指标没有特殊的自由学时，都会猜想在紧凑型RICCI平面流形上被置于紧凑型平坦歧管上的SuperString/M理论。我们使用世界表格的保形场理论来研究II型超构造理论的不稳定性，即紧凑型，Ricci Flat，Spin 3-Manifolds，包括对其旋转结构的描述。不稳定性是通过小半径上的尖齿tachyons的出现来发出的，在较大半径上的负（1循环）真空密度。我们简要讨论到更高维度的扩展。
Superstring/M-theory compactified on compact Ricci flat manifolds have recently been conjectured to exhibit instabilities whenever the metrics do not have special holonomy. We use worldsheet conformal field theory to investigate instabilities of Type II superstring theories on compact, Ricci flat, spin 3-manifolds including a worldsheet description of their spin structures. The instabilities are signalled by the appearance of stringy tachyons at small radius and a negative (1-loop) vacuum energy density at large radius. We briefly discuss the extension to higher dimensions.
