Achieving the highest temperature during reheating with the Higgs condensate

Achieving the highest temperature during reheating with the Higgs condensate
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用希格斯凝聚体再加热时达到最高温度

DOI:
10.1103/physrevd.104.083540
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发表时间:
2021
期刊:
影响因子:
5
通讯作者:
Zegeye, David
Zegeye, David
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Passaglia, Samuel;Hu, Wayne;Long, Andrew J.;Zegeye, David

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我们研究的标准模型希格斯凝聚体,宇宙膨胀过程中形成的作用,在时代的再加热如下。我们关注的情况下,暴胀子衰减缓慢和微扰,所以有一个很长的时间之间的通货膨胀的结束和开始的辐射统治。在此期间,希格斯凝聚体非微扰衰变,我们表明,它加热的原始等离子体的温度要高得多,而不是单独从缓慢衰减的膨胀。我们讨论了这种热等离子体的膨胀的衰变产物的热化的效果,并研究其现象学意义的宇宙学遗物,如暗物质的形成,与相关的isocurvature波动,和恢复的电弱和Peccei-Quinn对称性。
We study the role of the Standard Model Higgs condensate, formed during cosmological inflation, in the epoch of reheating that follows. We focus on the scenario where the inflaton decays slowly and perturbatively, so that there is a long period between the end of inflation and the beginning of radiation domination. The Higgs condensate decays nonperturbatively during this period, and we show that it heats the primordial plasma to much higher temperatures than would result from the slowly decaying inflaton alone. We discuss the effect of this hot plasma on the thermalization of the inflaton’s decay products, and study its phenomenological implications for the formation of cosmological relics like dark matter, with associated isocurvature fluctuations, and the restoration of the electroweak and Peccei-Quinn symmetries.
由大质量粒子的辐射和强子衰变引起的兆电子级再加热温度和振荡中微子的热化
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