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arXiv 0802.0710hep-th
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扭曲扭结的量子质量修正

Quantum mass correction for the twisted kink

Michael Pawellek

摘要:

在没有涨落谱的明确知识的情况下,我们给出了S^1上扭曲的π ^4扭结的半经典量子化中单圈量子质量修正的解析结果。为此,我们使用轮廓积分表示的频谱zeta函数。通过求解n=2的Lame方程的Bethe不等式,得到了相应的谱判别式的解析表达式.我们讨论这个模型的重整化问题。一个积极的首选尺寸的紧凑的空间最终获得。

英文摘要:

We present an analytic result for the 1-loop quantum mass correction in semiclassical quantization for the twisted ϕ^4 kink on S^1 without explicit knowledge of the fluctuation spectrum. For this purpose we use the contour integral representation of the spectral zeta function. By solving the Bethe ansatz equations for the n=2 Lame equation we obtain an analytic expression for the corresponding spectral discriminant. We discuss the renormalization issues of this model. An energetically preferred size for the compact space is finally obtained.

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