Fermions and the Autonomous &lambda;ф4 Theory1Fermions and the Autonomous &lambda;ф4 Theory

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理论物理通讯 ›› 1989, Vol. 12 ›› Issue (1) : 83-94.

Fermions and the Autonomous λф⁴ Theory¹Fermions and the Autonomous λф⁴ Theory

Sen-yue LOU¹, Guang-jiong NI^2,3

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Fermions and the Autonomous λф⁴ Theory¹Fermions and the Autonomous λф⁴ Theory

Sen-yue LOU¹, Guang-jiong NI^2,3

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摘要

By means of Gaussian effective potential method, we investigate two models with

coupling in 3+1 dimensions respectively. While the fermion effect through Yukawa coupling makes the autonomous λф⁴ theory more stable, it is shown that there are three different autonomous phases for

model. The temperature dependences of these two models are similar to those in pure λф⁴ autonomous theory.

Abstract

By means of Gaussian effective potential method, we investigate two models with

model. The temperature dependences of these two models are similar to those in pure λф⁴ autonomous theory.

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Sen-yue LOU, Guang-jiong NI. Fermions and the Autonomous λф⁴ Theory¹Fermions and the Autonomous λф⁴ Theory[J]. 理论物理通讯, 1989, 12(1): 83-94

Sen-yue LOU, Guang-jiong NI. Fermions and the Autonomous λф⁴ Theory¹Fermions and the Autonomous λф⁴ Theory[J]. Communications in Theoretical Physics, 1989, 12(1): 83-94