Is the sigma meson dynamically generated
Is the sigma meson dynamically generated
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sigma介子是动态生成的
DOI：
10.1063/1.2714402
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发表时间：
2006-11
期刊：
影响因子：
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中科院分区：
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We study the problem whether the σ meson is generated ‘dynamically’. A pedagogical analysis on the toy O(N) linear sigma model is performed and we find that the large Nc limit and the mσ → ∞ limit does not commute. The sigma meson may not necessarily be d
