Scattering of quantized Dirichlet particles
Scattering of quantized Dirichlet particles
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量子化狄利克雷粒子的散射
DOI：
10.1016/s0550-3213(97)00522-1
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发表时间：
1997
期刊：
影响因子：
--
通讯作者：
Y. Kazama
中科院分区：
文献类型：
--
作者：
Y. Kazama
作为对狄利克雷（D-）粒子量子动力学令人满意的理解的一步，描述两个量子化D-粒子散射的基本过程的振幅在玻色子弦理论中计算。使用三种不同的方法进行计算和交叉检查，即(i)路径积分，（ii）边界状态和（iii）开放通道算子形式化。该分析在a '中是精确的，并且包含了关于d粒子加速度的一阶修正。所得到的洛伦兹不变振幅能够描述充分考虑反冲效应的一般非前向散射，并再现了无限大d粒子质量极限下前向散射的已知特殊情况的结果。并简要讨论了超对称情况下振幅的期望形式。
As a step toward satisfactory understanding of the quantum dynamics of Dirichlet (D-) particles, the amplitude for the basic process describing the scattering of two quantized D-particles is computed in bosonic string theory. The calculation is performed and cross-checked using three different methods, namely, (i) the path integral, (ii) the boundary state, and (iii) the openchannel operator formalism. The analysis is exact in a′ and includes the first-order correction in the expansion with respect to the acceleration of the D-particles. The resultant Lorentz-invariant amplitude is capable of describing general non-forward scattering with recoil effects fully taken into account and it reproduces the known result for the special case of forward scattering in the limit of an infinitely large D-particle mass. The expected form of the amplitude for the supersymmetric case is also briefly discussed.