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arXiv 1003.5423gr-qchep-th
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论通货膨胀与通货膨胀

Of Inflation and the Inflaton

Robert Brout

摘要:

由于场内的引力相互作用,场的组态在普朗克和transplanck尺度下的能量密度有很强的负分量,可以想象会导致transplanck场自由度的隔离。然后量子涨落允许它们隧穿到顺式普朗克组态中,从而引发暴胀和常规观测到的物理学:通过广义相对论的能量约束(H ^2 = ρ/3),量子场论的传播模式在一种几何中响应这些新模式的存在。这种隧穿导致了均匀的几何形状和场结构,这使得我们可以估计暴胀子的质量m=O(10^{-6})和暴胀子凝聚体的振幅\phiav =O(10),两者都符合唯象学。

英文摘要:

Due to intra-field gravitational interactions, field configurations have a strong negative component to their energy density at the planckian and transplanckian scales, conceivably resulting in a sequestration of the transplanckian field degrees of freedom. Quantum fluctuations then allow these to tunnel into cisplanckian configurations to seed inflation and conventional observed physics: propagating modes of QFT in a geometry which responds to the existence of these new modes through the energy constraint of general relativity, H^2 = ρ/3. That this tunnelling results in geometries and field configurations that are homogeneous allows for an estimate of the mass of the inflaton, m=O(10^{-6}), and the amplitude of the inflaton condensate, \phiav=O(10), both consistent with phenomenology.

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