String-theoretic unitary S-matrix at the threshold of black-hole production
String-theoretic unitary S-matrix at the threshold of black-hole production
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DOI：
10.1088/1126-6708/2004/11/001
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发表时间：
2004-10
影响因子：
5.4
通讯作者：
G. Veneziano
中科院分区：
文献类型：
--
作者：
G. Veneziano
利用显幺正S矩阵改写了超弦理论中跨普朗克碰撞的已有结果，其有效性范围覆盖了能量碰撞参数平面的一个大区域.有趣的是，当接近这个区域边界的一部分时，最终状态的性质开始类似于黑洞蒸发的预期，甚至远低于其产生阈值。更具体地说，我们推测，在一个能量窗口延伸到这样一个阈值，包容性的横截面满足一个特殊的“反标度行为，似乎准备一个平稳过渡到黑洞物理。
Previous results on trans-planckian collisions in superstring theory are rewritten in terms of an explicitly unitary S-matrix whose range of validity covers a large region of the energy impact-parameter plane. Amusingly, as part of this region's border is approached, properties of the final state start resembling those expected from the evaporation of a black hole even well below its production threshold. More specifically, we conjecture that, in an energy window extending up to such a threshold, inclusive cross sections satisfy a peculiar ``antiscaling behaviour, seemingly preparing for a smooth transition to black-hole physics.