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arXiv 1010.1407hep-thastro-ph.COgr-qchep-ph
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具有改进的D3-brane势的膨胀和与模型相关的微调

Inflation with improved D3-brane potential and the fine tunings associated with the model

Amna Ali, Atri Deshamukhya, Sudhakar Panda, M. Sami

摘要:

我们调查膜反膜膨胀在一个扭曲变形的conifold背景,包括贡献的潜在所产生的假想的反自对偶(IASD)通量,包括最近发现的非理性标度尺寸的条款。我们发现,该模型可以产生所需数量的e-折叠,COBE归一化的观测约束是很容易满足和低值的张量标量比的扰动实现。我们观察到,这些修正的有效潜力有助于放松严重的微调与早期的分析。

英文摘要:

We investigate brane-antibrane inflation in a warped deformed conifold background that includes contributions to the potential arising from imaginary anti-self-dual (IASD) fluxes including the term with irrational scaling dimension discovered recently. We find that the model can give rise to required number of e-foldings; observational constraint on COBE normalization is easily satisfied and low value of the tensor to scalar ratio of perturbations is achieved. We observe that these corrections to the effective potential help in relaxing the severe fine tunings associated with the earlier analysis.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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