Defines peak-integrated sensitivity curves (PISCs) that fold in the expected spectral shape of gravitational waves from cosmological phase transitions and supplies semianalytical fits plus public data for major detectors.
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Bodeker and G.D
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abstract
In extensions of the Standard Model with extra scalars, the electroweak phase transition can be very strong, and the bubble walls can be highly relativistic. We revisit our previous argument that electroweak bubble walls can "run away," that is, achieve extreme ultrarelativistic velocities $\gamma \sim 10^{14}$. We show that, when particles cross the bubble wall, they can emit transition radiation. Wall-frame soft processes, though suppressed by a power of the coupling $\alpha$, have a significance enhanced by the $\gamma$-factor of the wall, limiting wall velocities to $\gamma \sim 1/\alpha$. Though the bubble walls can move at almost the speed of light, they carry an infinitesimal share of the plasma's energy.
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Tensor perturbations from first-order phase transitions and domain wall annihilation induce curvature fluctuations at second order that form primordial black holes, allowing asteroid-mass PBHs to comprise all dark matter for specific parameter ranges with associated gravitational wave peaks in LISA,
Collapsing Z_N domain walls trap baryons into dense baryoids, yielding a dark matter-baryon energy density ratio of approximately (N-1):1 after the QCD phase transition.
First-order gradient CP-violating sources in EWBG quantum transport relax electron EDM bounds and increase viability compared to prior approximations in a model illustration.
Filtered Dark Matter hydrodynamics during first-order phase transitions is modeled as a two-component fluid, yielding detonation-like and deflagration-like solutions in ballistic and local thermal equilibrium regimes that change relic abundance predictions.
A dark QCD model with a first-order phase transition at 5-6 MeV produces the NANOGrav SGWB amplitude while supplying self-interacting dark matter via a 40 GeV baryon and 20-50 MeV dilaton, linked by entropy dilution.
Radiative electroweak symmetry breaking with a logarithmic potential yields analytical vacuum solutions, four thermal history patterns, and supercooled FOPT gravitational waves whose signals combined with collider data can probe conformal scales to 10^5-10^8 GeV.
Dark sector first-order phase transitions near 10 MeV can substantially modify vector dark matter relic densities away from standard thermal freeze-out predictions, with distinct mass windows and calculable gravitational wave backgrounds.
In a B-L conserving SM extension with U(1)_x dark sector, CP-violating Yukawas generate opposite lepton asymmetries in visible and hidden sectors that sphalerons convert to baryon asymmetry, with gauge-independent bubble nucleation yielding stochastic GW spectra valid in supercooled regimes and a参数s
Updated LISA detection prospects for gravitational waves from phase transitions are derived from state-of-the-art sound-wave simulations, with a new web tool PTPlot provided for parameter scans.
Reviews a model-independent method using perturbative effective actions to compute properties of supercooled first-order phase transitions in radiatively symmetry-broken models.
A model of late-time U(1)EM symmetry breaking via scalar-driven first-order phase transition predicts high-energy photon and neutrino bursts as long-range precursors detectable by multi-messenger facilities.
citing papers explorer
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New Sensitivity Curves for Gravitational-Wave Signals from Cosmological Phase Transitions
Defines peak-integrated sensitivity curves (PISCs) that fold in the expected spectral shape of gravitational waves from cosmological phase transitions and supplies semianalytical fits plus public data for major detectors.
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Primordial Black Hole from Tensor-induced Density Fluctuation: First-order Phase Transitions and Domain Walls
Tensor perturbations from first-order phase transitions and domain wall annihilation induce curvature fluctuations at second order that form primordial black holes, allowing asteroid-mass PBHs to comprise all dark matter for specific parameter ranges with associated gravitational wave peaks in LISA,
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Baryoid Dark Matter from $\mathbb{Z}_N$ Domain Walls: The $(N-1):1$ origin of the dark matter-baryon coincidence
Collapsing Z_N domain walls trap baryons into dense baryoids, yielding a dark matter-baryon energy density ratio of approximately (N-1):1 after the QCD phase transition.
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Does the Electron EDM Preclude Electroweak Baryogenesis ?
First-order gradient CP-violating sources in EWBG quantum transport relax electron EDM bounds and increase viability compared to prior approximations in a model illustration.
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Hydrodynamics of Filtered Dark Matter: A Two-Component Approach
Filtered Dark Matter hydrodynamics during first-order phase transitions is modeled as a two-component fluid, yielding detonation-like and deflagration-like solutions in ballistic and local thermal equilibrium regimes that change relic abundance predictions.
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Dark QCD Origin of the NANOGrav Signal and Self-Interacting Dark Matter
A dark QCD model with a first-order phase transition at 5-6 MeV produces the NANOGrav SGWB amplitude while supplying self-interacting dark matter via a 40 GeV baryon and 20-50 MeV dilaton, linked by entropy dilution.
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Probing radiative electroweak symmetry breaking with colliders and gravitational waves
Radiative electroweak symmetry breaking with a logarithmic potential yields analytical vacuum solutions, four thermal history patterns, and supercooled FOPT gravitational waves whose signals combined with collider data can probe conformal scales to 10^5-10^8 GeV.
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Phenomenology of Vector Dark Matter produced by a First Order Phase Transition
Dark sector first-order phase transitions near 10 MeV can substantially modify vector dark matter relic densities away from standard thermal freeze-out predictions, with distinct mass windows and calculable gravitational wave backgrounds.
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Gauge-independent Gravitational Waves from Cogenesis in a $B-L$ Conserving Universe
In a B-L conserving SM extension with U(1)_x dark sector, CP-violating Yukawas generate opposite lepton asymmetries in visible and hidden sectors that sphalerons convert to baryon asymmetry, with gauge-independent bubble nucleation yielding stochastic GW spectra valid in supercooled regimes and a参数s
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Detecting gravitational waves from cosmological phase transitions with LISA: an update
Updated LISA detection prospects for gravitational waves from phase transitions are derived from state-of-the-art sound-wave simulations, with a new web tool PTPlot provided for parameter scans.
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Supercooled Phase Transitions with Radiative Symmetry Breaking
Reviews a model-independent method using perturbative effective actions to compute properties of supercooled first-order phase transitions in radiatively symmetry-broken models.
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Signals of Doomsday III: Cosmological signatures of the late time $U(1)_{EM}$ symmetry breaking
A model of late-time U(1)EM symmetry breaking via scalar-driven first-order phase transition predicts high-energy photon and neutrino bursts as long-range precursors detectable by multi-messenger facilities.