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Electroweak preheating on a lattice
High Energy Physics - Phenomenology · Submitted 8 Dec 2000
abstract compiled · 2026-09-23 · no language-model review
The authors' main claim This makes it difficult to estimate the generated baryon asymmetry.
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The abstract, sentence by sentence
In many inflationary models, a large amount of energy is transferred rapidly to the long-wavelength matter fields during a period of preheating after inflation. We study how this changes the dynamics of the electroweak phase transition if inflation ends at the electroweak scale. We simulate a classical SU(2)xU(1)+Higgs model with initial conditions in which the energy is concentrated in the long-wavelength Higgs modes. With a suitable initial energy density, the electroweak symmetry is restored non-thermally but broken again when the fields thermalize. During this symmetry restoration, baryon number is violated, and we measure its time evolution, pointing out that it is highly non-Brownian. This makes it difficult to estimate the generated baryon asymmetry.
background contribution method result interpretation main claim
| # | sentence | role | the authors' own work | states the main conclusion | strength |
|---|---|---|---|---|---|
| s0 | In many inflationary models, a large amount of energy is transferred rapidly to the long-wavelength matter fields during a period of preheating after inflation. | background 1.00 | 0.04 | 0.03 | asserted 0.91 |
| s1 | We study how this changes the dynamics of the electroweak phase transition if inflation ends at the electroweak scale. | contribution 0.93 | 0.52 | 0.05 | unclear 0.72 |
| s2 | We simulate a classical SU(2)xU(1)+Higgs model with initial conditions in which the energy is concentrated in the long-wavelength Higgs modes. | method 0.99 | 0.95 | 0.04 | asserted 0.94 |
| s3 | With a suitable initial energy density, the electroweak symmetry is restored non-thermally but broken again when the fields thermalize. | result 1.00 | 0.90 | 0.48 | asserted 0.91 |
| s4 | During this symmetry restoration, baryon number is violated, and we measure its time evolution, pointing out that it is highly non-Brownian. | result 0.99 | 0.95 | 0.18 | asserted 1.00 |
| s5 | This makes it difficult to estimate the generated baryon asymmetry. | interpretation 0.73 | 0.69 | 0.20 | asserted 0.92 |
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The paper
Original abstract
In many inflationary models, a large amount of energy is transferred rapidly to the long-wavelength matter fields during a period of preheating after inflation. We study how this changes the dynamics of the electroweak phase transition if inflation ends at the electroweak scale. We simulate a classical SU(2)xU(1)+Higgs model with initial conditions in which the energy is concentrated in the long-wavelength Higgs modes. With a suitable initial energy density, the electroweak symmetry is restored non-thermally but broken again when the fields thermalize. During this symmetry restoration, baryon number is violated, and we measure its time evolution, pointing out that it is highly non-Brownian. This makes it difficult to estimate the generated baryon asymmetry.
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References
How the literature uses it
19 arXiv papers cite this in 29 sentences
Papers citing it · 10 sentences without a confident label
Uses its method or tool 5 papers
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As mentioned above, we follow the strategy in [ref] to evolve the electroweak EOMs on the lattice.
Magnetic field production at a first-order electroweak phase transition · Numerical Simulation · 1.00
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We follow the procedure given in Refs. [ref] .
Fate of Electroweak Vacuum during Preheating · Renormalization in Classical Lattice Simulation · 1.00
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Only the unstable Higgs modes are initialised, in order to mimic that the quantum modes grow due to the spinodal instability, and that we only keep the modes that thus become classically large [ref] .
Standard Model CP-violation and Cold Electroweak Baryogenesis · Initial conditions · 0.92
Cites it as support 1 paper
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As mentioned above, the degree to which our simulations satisfy Gauss's law is constant to numerical precision, supporting the robustness of our implementation [ref] .
Non-Abelian gauge preheating · Lattice parameters · 0.98
Cites it as background 8 papers
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Other mechanisms considered include particle creation due to trilinear or higher-order interactions between the inflaton and daughter field(s) [ref] , geometric preheating of fields non-minimally coupled to gravity [ref] , tachyonic preheating after Hybrid inflation of Higgs-like fields [ref] and gauge fields [ref] ), gauge field excitation due to shift-symmetric interactions with an axion-like inflaton [ref] , etc.
Gravitational wave production from preheating with trilinear interactions · Introduction · 0.98
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An alternative scenario is “Cold” electroweak baryogenesis [ref] , where the electroweak phase transition does not involve bubble nucleation, but instead a fast quench of the Higgs potential.
Real-time Fermions for Baryogenesis Simulations · Introduction · 1.00
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At one extreme lie direct couplings allowing (non-)perturbative decays of the inflaton into quanta of various particle species [ref] , see e.g. Refs. [ref] for recent developments and Refs. [ref] for reviews.
Ricci Reheating on the Lattice · Introduction · 0.98
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