branonium中共振粒子的产生
Resonant particle production in branonium
摘要：
我们研究了在由固定的$D6$ -膜堆产生的背景中移动的探测反D 6-膜（或具有超对称性破缺的D 6）的世界体积中粒子产生的机制。我们表明，这可能会发生在一个政权的参数共振时，探头的运动是非相对论性的，它在大的距离从源膜在低偏心率轨道移动。这导致了探测器世界体积中粒子数量的指数增长，并构成了产生非常大质量粒子的有效机制。我们还分析了这个系统在膨胀的宇宙中的演化，以及这如何影响参数共振的发展。我们讨论了横向空间紧化对探测器运动的影响，表明它会导致角动量的产生，类似于阿弗莱克-戴恩重子生成机制。最后，我们描述了系统的可能的最终状态和它们与宇宙学的潜在相关性。
英文摘要：
We study the mechanism of particle production in the world-volume of a probe anti D6-brane (or D6 with SUSY breaking) moving in the background created by a fixed stack of $D6$-branes. We show that this may occur in a regime of parametric resonance when the probe's motion is non-relativistic and it moves at large distances from the source branes in low eccentricity orbits. This leads to an exponential growth of the particle number in the probe's world-volume and constitutes an effective mechanism for producing very massive particles. We also analyze the evolution of this system in an expanding universe and how this affects the development of the parametric resonance. We discuss the effects of transverse space compactification on the probe's motion, showing that it leads to the creation of angular momentum in a similar way to the Affleck-Dine mechanism for baryogenesis. Finally, we describe possible final states of the system and their potential relevance to cosmology.
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