HBChPT ε区的核子磁矩
The nucleon magnetic moment in the epsilon-regime of HBChPT
摘要：
在重子手征微扰理论的ε区中，利用集体变量法对非微扰π零模进行积分，计算了核子的磁矩，达到ε ^[3]级。包含多个零模源的贡献进入，允许连接源的电荷携带零模π介子场。这一计算结果将使核子的格点QCD计算能够系统地提取具有电磁相互作用的重子手征微扰理论的主要低能系数。
英文摘要：
The nucleon magnetic moment is calculated in the epsilon-regime of Heavy Baryon Chiral Perturbation Theory to order epsilon^3, using the method of collective variables to integrate nonperturbative pion zero modes. Contributions containing multiple sources of zero modes enter, allowing for charge-carrying zero mode pion fields that connect the sources. The result of this calculation will allow for lattice QCD calculations involving nucleons to systematically extract the leading low energy coefficients of Heavy Baryon Chiral Perturbation Theory with electromagnetic interactions.
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