Domain walls and gravitational waves in the Standard Model

Krajewski, Tomasz; Lalak, Zygmunt; Lewicki, Marek; Olszewski, Paweł

doi:10.1088/1475-7516/2016/12/036

Cited by 27 publications

(52 citation statements)

References 32 publications

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“…Extrapolating previous results for the case of the zero temperature effective potential described in [28,29] we can expect that Higgs field configurations from probability distributions with σ < 1.2h max and θ = 0 should evolve toward the electroweak vacuum. Thus, we can estimate the range of temperatures for which end point of evolution of our network networks will be cosmologically acceptable.…”

Section: Initial Conditions For Simulationssupporting

confidence: 72%

“…In our two previous papers [28,29] we investigated the evolution of domain walls of the Higgs field in the SM and its extensions. In our attempt to understand the role of the networks of Higgs domain walls in the history of the Universe we have been working under simplifying assumption that SM particles present in early Universe had negligible effect on the dynamics of the expectation value of the Higgs field.…”

Section: Thermal Corrections To Sm Effective Potentialmentioning

confidence: 99%

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Higgs domain walls in the thermal background

Krajewski

Lalak

Lewicki

et al. 2019

Physics of the Dark Universe

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Most cosmological models predict that the universe was hot and dense at the early stages of it's evolution. In this paper we analyse the influence of the thermal bath of Standard Model particles on the dynamics of cosmological Higgs domain walls. This manuscript poses an extension of our earlier work in which we investigated the evolution of networks of Higgs domain walls neglecting the impact of temperature variation.Using the thermally corrected effective potential of Standard Model we have found that both the position of the local maximum h max separating minima and the width of domain walls strongly depend on temperature T . For temperatures higher than 10 10 GeV they respectively increase proportionally and decrease inverse proportionally to the increasing temperature. Thus, the energy scale of the problem follows the value of temperature.Our numerical lattice simulations based on the PRS algorithm reveal that Higgs domain walls in the presence of the background thermal bath are highly unstable and decay shortly after formation. Moreover we have found that the fraction of horizons produced by inflation in which Higgs field expectation value is higher then h max needs to be very low in order for the evolution of the network of the domain walls to end in the electroweak vacuum. This means that Higgs domain walls necessarily were very rare objects and their average energy density was very small. As a result, the domain walls can not significantly effect cosmological observables.

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Section: Initial Conditions For Simulationssupporting

confidence: 72%

Section: Thermal Corrections To Sm Effective Potentialmentioning

confidence: 99%

Higgs domain walls in the thermal background

Krajewski

Lalak

Lewicki

et al. 2019

Physics of the Dark Universe

Self Cite

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“…In view of the forthcoming experimental studies of relict gravitational waves, this subject attracted attention recently [8][9][10][11][12][13][14], for a review see [15]. Particular models considered include the hybrid inflation [9], the standard model extended to the very early universe [14], the Higgs model [11], the next-to-minimal supersymmetric standard model [12] and some other. The results are based on numerical simulations of creation and annihilation of DW with account for gravitational radiation computed via the correlation functions of the energy-momentum tensors.…”

Section: Jhep01(2018)120mentioning

confidence: 99%

Piercing of domain walls: new mechanism of gravitational radiation

Gal’tsov

Melkumova

Spirin

2018

J. High Energ. Phys.

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Domain wall (DW) moving in media undergoes the friction force due to particle scattering. However certain particles are not scattered, but perforate the wall. As a result, the wall gets excited in the form of the branon wave, while the particle experiences an acceleration jump. This gives rise to generation of gravitational waves which we call "piercing gravitational radiation" (PGR). Though this effect is of higher order in the gravitational constant than the quadrupole radiation from the collapsing DWs, its amplitude is enhanced in the case of relativistic particles or photons because of absence of the velocity factor which is present in the quadrupole formula. We derive the spectral-angular distribution of PGR within the simplified model of the weakly gravitating particle-wall system in Minkowski space-time of arbitrary dimensions. Within this model the radiation amplitude is obtained analytically. The spectral-angular distribution of PGR in such an approach suffers from infrared and ultraviolet divergences as well as from collinear divergence in the case of a massless perforating particle. Different cut-off schemes appropriate in various dimensions are discussed. Our results are applicable both to cosmological DWs and to the braneworld models. PGR can be relevant in the infrared part of the spectrum of the relic gravitons where radiation from the collapsed DWs is damped.

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“…[67]. Contrary to the above discussions, it was concluded that the amplitude of GWs is too small to be observed in the planned detectors.…”

Section: Standard Model Higgs Fieldmentioning

confidence: 69%

“…However, it should be noted that the scenario considered in Ref. [67] is different from the above scenario in the sense that the high-scale minimum is located at a superplanckian value and that two minima are non-degenerate. In such a case, domain walls do not enter into the scaling regime and collapse soon after the formation, leading to the small amplitude of relic GWs.…”

Section: Standard Model Higgs Fieldmentioning

confidence: 90%

A Review of Gravitational Waves from Cosmic Domain Walls

2017

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Abstract:In this contribution, we discuss the cosmological scenario where unstable domain walls are formed in the early universe and their late-time annihilation produces a significant amount of gravitational waves. After describing cosmological constraints on long-lived domain walls, we estimate the typical amplitude and frequency of gravitational waves observed today. We also review possible extensions of the standard model of particle physics that predict the formation of unstable domain walls and can be probed by observation of relic gravitational waves. It is shown that recent results of pulser timing arrays and direct detection experiments partially exclude the relevant parameter space, and that a much wider parameter space can be covered by the next generation of gravitational wave observatories.

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Domain walls and gravitational waves in the Standard Model

Cited by 27 publications

References 32 publications

Higgs domain walls in the thermal background

Higgs domain walls in the thermal background

Piercing of domain walls: new mechanism of gravitational radiation

A Review of Gravitational Waves from Cosmic Domain Walls

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