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Radiative first-order phase transitions to next-to-next-to-leading order
Physical Review D ( IF 5 ) Pub Date : 2022-08-16 , DOI: 10.1103/physrevd.106.036012
Andreas Ekstedt , Oliver Gould , Johan Löfgren

We develop new perturbative tools to accurately study radiatively induced first-order phase transitions. Previous perturbative methods have suffered internal inconsistencies and been unsuccessful in reproducing lattice data, which is often attributed to infrared divergences of massless modes (the Linde problem). We employ a consistent power counting scheme to perform calculations and compare our results against lattice data. We conclude that the consistent expansion removes many previous issues and indicates that the infamous Linde problem is not as big a factor in these calculations as previously thought.

中文翻译:

辐射一阶相变到下一个到下一个领先的顺序

我们开发了新的微扰工具来准确研究辐射诱导的一阶相变。以前的微扰方法存在内部不一致,无法成功再现晶格数据,这通常归因于无质量模式的红外发散(林德问题)。我们采用一致的功率计数方案来执行计算并将我们的结果与晶格数据进行比较。我们得出结论,一致的扩展消除了许多以前的问题,并表明臭名昭著的林德问题在这些计算中并不像以前认为的那样重要。
更新日期:2022-08-16
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