弯曲时空中的多费米子相互作用模型
Multi-fermion interaction models in curved spacetime
摘要：
研究了弯曲时空中标量型八费米子相互作用模型。通过观察有效势可以得到模型的基态。应用黎曼正规坐标展开，我们计算了弱弯曲时空中模型的有效势。结果被推广到多费米子相互作用的模型。我们数值计算了有效势的行为，并找到了模型的相结构。
英文摘要：
A model with a scalar type eight-fermion interaction is investigated in curved spacetime. The ground state of the model can be obtained by observing the effective potential. Applying the Riemann normal coordinate expansion, we calculate an effective potential of the model in a weakly curved spacetime. The result is extended to models with multi-fermion interactions. We numerically show the behavior of the effective potential and find the phase structure of the model.
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