STABILITY OF THE FUZZY SPHERE SOLUTION FROM MATRIX MODEL

STABILITY OF THE FUZZY SPHERE SOLUTION FROM MATRIX MODEL
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矩阵模型模糊球解的稳定性

DOI:
10.1142/s0217751x03014058
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发表时间:
2002
影响因子:
1.6
通讯作者:
P. Valtancoli
P. Valtancoli
中科院分区:
物理与天体物理4区
文献类型:
--
作者:
P. Valtancoli

文献摘要

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我们考虑一个依赖于参数λ的矩阵模型,它允许模糊球作为经典背景。通过围绕这个背景展开玻色子矩阵,我们得到了模糊球上的U(1)(U(n))非对易规范理论。为了检验这个背景的经典稳定性,我们寻找了这个模型的新的经典解,并且找到了当λ < 1时,使得模糊球解在λ <1时不稳定,在λ <1时稳定的新的经典解。
We consider a matrix model depending on the parameter λ which permits the fuzzy sphere as a classical background. By expanding the bosonic matrices around this background one recovers a U(1) (U(n)) noncommutative gauge theory on the fuzzy sphere. To check the classical stability of this background, we look for new classical solutions of this model and find them for λ < 1, that make the fuzzy sphere solution unstable for and stable otherwise.