$ϕ^6$势中气泡的形成
Bubble formation in $ϕ^6$ potential
摘要：
研究了零温和高温下$ϕ^6$势的非对称标量场理论。对运动方程进行数值求解，得到O（4）球对称和O（3）柱对称的反弹解。这些解决方案通过气泡形成来控制从假真空隧穿到真真空的速率。研究了薄壁近似（TWA）的适用范围。反弹的解析解，再现的行动，在薄壁以及厚壁的限制。
英文摘要：
Scalar field theory with an asymmetric potential is studied at zero temperature and high-temperature for $ϕ^6$ potential. The equations of motion are solved numerically to obtain O(4) spherical symmetric and O(3) cylindrical symmetric bounce solutions. These solutions control the rates for tunneling from the false vacuum to the true vacuum by bubble formation. The range of validity of the thin-wall approximation (TWA) is investigated. An analytical solution for the bounce is presented, which reproduces the action in the thin-wall as well as the thick-wall limits.
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