在SUSY膜世界方案中对牛顿定律的短距离修正
Short distance modifications to Newton's law in SUSY braneworld scenarios
摘要：
在来自弦论的膜世界模型中，人们通常会遇到无质量的标量自由度--模--参数化了小型紧凑的额外维度的体积。在这里，我们讨论了一个相当普遍的5-D超对称braneworld的情况下，与散装标量场$ϕ$的牛顿定律的影响，这样的模量。我们表明，牛顿势描述两个机构之间的引力相互作用定位在可见的膜拿起一个非平凡的贡献，在短距离，取决于超势的形状$W(ϕ)$的理论。特别是，我们计算这一贡献的电子braneworld场景$W(ϕ) = e^{αϕ}$（其中$α$是一个常数），并讨论5-D杂种M理论的特殊情况。
英文摘要：
In braneworld models coming from string theory one generally encounters massless scalar degrees of freedom -moduli- parameterizing the volume of small compact extra-dimensions. Here we discuss the effects of such moduli on Newton's law for a fairly general 5-D supersymmetric braneworld scenario with a bulk scalar field $ϕ$. We show that the Newtonian potential describing the gravitational interaction between two bodies localized on the visible brane picks up a non-trivial contribution at short distances that depends on the shape of the superpotential $W(ϕ)$ of the theory. In particular, we compute this contribution for dilatonic braneworld scenarios $W(ϕ) = e^{αϕ}$ (where $α$ is a constant) and discuss the particular case of 5-D Heterotic M-theory.
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