Osteoid osteoma treated with percutaneous radiofrequency ablation: MR imaging follow-up

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• 作者：M.H. Lee ; J.M. Ahn ; H.W. Chung ; H.K. Lim ; J.G. Suh ; H.J. Kwag ; H.P. Hong ; B.M. Kim
• 关键词：Hartree equation ; Harmonic potential ; Standing waves ; Blow-up ; Strong instability
• 刊名：Clinical Imaging
• 出版年：2008
• 期刊代码：58_08997071
• 类别：med
• 出版时间：May-June 2008
• 卷：32
• 期：3
• 页码：248
• 文件大小：41 K

摘要

We calculate the background field equations for the T-duality symmetric string building on previous work by including the effect of the dilaton up to two-loops. Inclusion of the dilaton allows us to obtain the full beta functionals of the duality symmetric sigma model. We are able to interpret the result in terms of a dimensionally reduced O(d,d) invariant target space effective action.