Further studies on holographic insulator/superconductor phase transitions from Sturm-Liouville eigenvalue problems

Further studies on holographic insulator/superconductor phase transitions from Sturm-Liouville eigenvalue problems
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从 Sturm-Liouville 特征值问题进一步研究全息绝缘体/超导体相变

DOI:
10.1007/jhep07(2013)135
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发表时间:
2013-06
期刊:
The Journal of High Energy Physics
影响因子:
--
通讯作者:
Huaifan Li
Huaifan Li
中科院分区:
其他
文献类型:
--
作者:
Huaifan Li

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利用Sturm-Liouville本征值问题,对探针极限下全息绝缘体/超导体的相变进行了解析研究。有趣的是,这种分析方法不仅可以估计相变的最稳定模式,而且可以估计第二稳定模式。我们发现这种解析方法与其他数值方法,如射击法,是完全吻合的。此外,我们认为在某些情况下,只有Dirichlet边界条件是足够的,这将导致更精确的估计。据我们所知,这是本文首次观察到试函数边界条件的松弛。
A bstractWe take advantage of the Sturm-Liouville eigenvalue problem to analytically study the holographic insulator/superconductor phase transition in the probe limit. The interesting point is that this analytical method can not only estimate the most stable mode of the phase transition, but also the second stable mode. We find that this analytical method perfectly matches with other numerical methods, such as the shooting method. Besides, we argue that only Dirichlet boundary condition of the trial function is enough under certain circumstances, which will lead to a more precise estimation. This relaxation for the boundary condition of the trial function is first observed in this paper as far as we know.
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