Lattice calculation of the decay of primordial Higgs condensate

Lattice calculation of the decay of primordial Higgs condensate
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原初希格斯凝聚体衰变的格子计算

DOI:
10.1088/1475-7516/2016/02/057
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发表时间:
2015
影响因子:
6.4
通讯作者:
D. Weir
D. Weir
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
K. Enqvist;Sami Nurmi;Stanislav Rusak;D. Weir

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研究了格点上原初标准模型Higgs凝聚体膨胀为SU(2)规范玻色子后的共振衰变。我们发现,规范玻色子之间的非阿贝尔相互作用迅速扩大的动量分布向高值,有效地破坏后的反反应发生的凝聚。对于H = 108 GeV的暴胀标度,我们发现90%的Higgs凝聚在n × 10个振荡周期后衰变。这与阿贝尔情形有很大的不同,在阿贝尔情形中,在相同的耦合强度下,大部分凝聚体在共振后仍然存在。
We study the resonant decay of the primordial Standard Model Higgs condensate after inflation into SU(2) gauge bosons on the lattice. We find that the non-Abelian interactions between the gauge bosons quickly extend the momentum distribution towards high values, efficiently destroying the condensate after the onset of backreaction. For the inflationary scale H = 108 GeV, we find that 90% of the Higgs condensate has decayed after n∼ 10 oscillation cycles. This differs significantly from the Abelian case where, given the same coupling strengths, most of the condensate would persist after the resonance.
DOI: 10.1103/physrevlett.112.241101
发表时间: 2014-06-19
影响因子: 8.6
作者:
Ade, P. A. R.;Aikin, R. W.;Yoon, K. W.
通讯作者: Yoon, K. W.
DOI: 10.1103/physrevd.89.074011
发表时间: 2014-04-03
期刊: PHYSICAL REVIEW D
影响因子: 5
作者:
Berges, J.;Boguslavski, K.;Venugopalan, R.
通讯作者: Venugopalan, R.