BSMPT v3 a tool for phase transitions and primordial gravitational waves in extended Higgs sectors

IF 3.4 2区 物理与天体物理 Q1 COMPUTER SCIENCE, INTERDISCIPLINARY APPLICATIONS
Philipp Basler , Lisa Biermann , Margarete Mühlleitner , Jonas Müller , Rui Santos , João Viana
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引用次数: 0

Abstract

Strong first-order phase transitions (SFOPT) during the evolution of the Higgs potential in the early universe not only allow for the dynamical generation of the observed matter-antimatter asymmetry, they can also source a stochastic gravitational wave (GW) background possibly detectable with future space-based gravitational waves interferometers. As SFOPTs are phenomenologically incompatible with the Standard Model (SM) Higgs sector, the observation of GWs from SFOPTs provides an exciting interplay between cosmology and particle physics in the search for new physics. With the C++ code BSMPTv3, we present for the first time a tool that performs the whole chain from the particle physics model to the gravitational wave spectrum. Extending the previous versions BSMPTv1 and v2, it traces the phases of beyond-SM (BSM) Higgs potentials and is capable of treating multiple vacuum directions and multi-step phase transitions. During the tracing, it checks for discrete symmetries, flat directions, and electroweak symmetry restoration, and finally reports the transition history. The transition probability from the false to the true vacuum is obtained from the solution of the bounce equation which allows for the calculation of the nucleation, percolation and completion temperatures. The amplitude and characteristic frequencies of the GWs originating from bubble collisions and highly relativistic fluid shells, sound waves and turbulence, are evaluated after the calculation of the thermal parameters at the transition temperature, and finally the signal-to-noise ratio at LISA is provided. The code BSMPTv3 is a powerful self-contained tool that comes more than timely and will be of great benefit for investigations of the vacuum structure of the early universe of not only simple but also complicated Higgs potentials involving several vacuum directions, with exciting applications in the search for new physics.
BSMPT v3是研究扩展希格斯扇区相变和原始引力波的工具
早期宇宙中希格斯势演化过程中的强一阶相变(SFOPT)不仅允许观测到的物质-反物质不对称的动态产生,而且还可以来源随机引力波(GW)背景,可能被未来的天基引力波干涉仪探测到。由于sopts在现象学上与标准模型(SM)希格斯扇区不相容,从sopts观测到的GWs在寻找新物理学的过程中提供了宇宙学和粒子物理学之间令人兴奋的相互作用。利用c++代码BSMPTv3,我们首次提出了一个执行从粒子物理模型到引力波谱的整个链条的工具。扩展了之前的版本BSMPTv1和v2,它追踪了超越sm (BSM)希格斯势的相,并且能够处理多个真空方向和多步相变。在跟踪过程中,对离散对称性、平面方向和电弱对称性恢复进行检查,最后报告跃迁历史。根据弹跳方程的解,得到了从假真空到真真空的过渡概率,从而计算了成核、渗流和完井温度。在计算了转换温度下的热参数后,计算了气泡碰撞和高相对论性流体壳、声波和湍流产生的GWs的振幅和特征频率,并给出了LISA的信噪比。代码BSMPTv3是一个功能强大的独立工具,它来得非常及时,将对早期宇宙的真空结构的研究有很大的好处,不仅简单,而且复杂的希格斯势涉及几个真空方向,在寻找新的物理中具有令人兴奋的应用。
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来源期刊
Computer Physics Communications
Computer Physics Communications 物理-计算机:跨学科应用
CiteScore
12.10
自引率
3.20%
发文量
287
审稿时长
5.3 months
期刊介绍: The focus of CPC is on contemporary computational methods and techniques and their implementation, the effectiveness of which will normally be evidenced by the author(s) within the context of a substantive problem in physics. Within this setting CPC publishes two types of paper. Computer Programs in Physics (CPiP) These papers describe significant computer programs to be archived in the CPC Program Library which is held in the Mendeley Data repository. The submitted software must be covered by an approved open source licence. Papers and associated computer programs that address a problem of contemporary interest in physics that cannot be solved by current software are particularly encouraged. Computational Physics Papers (CP) These are research papers in, but are not limited to, the following themes across computational physics and related disciplines. mathematical and numerical methods and algorithms; computational models including those associated with the design, control and analysis of experiments; and algebraic computation. Each will normally include software implementation and performance details. The software implementation should, ideally, be available via GitHub, Zenodo or an institutional repository.In addition, research papers on the impact of advanced computer architecture and special purpose computers on computing in the physical sciences and software topics related to, and of importance in, the physical sciences may be considered.
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