Notes on tachyon effective actions and Veneziano amplitudes
Notes on tachyon effective actions and Veneziano amplitudes
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关于快子有效作用和 Veneziano 振幅的注释
DOI：
10.1103/physrevd.69.106009
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发表时间：
2004
期刊：
影响因子：
--
通讯作者：
V. Niarchos
中科院分区：
文献类型：
--
作者：
V. Niarchos
在以前的一篇论文中[nucl.太棒了。B666，56(2003)]有人认为速子Dirac-Born-Infeld(DBI)作用量可以从开弦理论中得到，它推广了通常的无质量DBI极限。在这篇文章中，我们回顾了这种结构，着重于所提出的快子有效作用的一个关键性质：它们如何在适当定义的运动学区域中再现适当的Venziano振幅。简要讨论了可能的扩展和有趣的公开问题。
In a previous paper [Nucl. Phys. B666, 56 (2003)] it was argued that tachyonic Dirac-Born-Infeld (DBI) actions can be obtained from open string theory in a limit, which generalizes the usual massless DBI limit. In the present paper we review this construction, focusing on a key property of the proposed tachyon effective actions: how they reproduce appropriate Veneziano amplitudes in a suitably defined kinematical region. Possible extensions and interesting open problems are briefly discussed.