Gravitational waves from cosmological phase transitions

Abstract

I discuss the generation of a stochastic background of gravitational waves during a first order phase transition. I present simple general arguments which explain the main features of the gravitational wave spectrum like the $k^3$ power law growth on large scales and a estimate for the peak amplitude. In the second part I concentrate on the electroweak phase transition and argue that the nucleosynthesis bound on its gravitational wave background seriously limits seed magnetic fields which may have been generated during this transition.

14 pages, 8 Figures Proceedeings of the 1st Mediterranean Conference on Classical and Quantum Gravity (MCCQG)

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Cited by in corpus (11)

• Self-consistent evolution of magnetic fields and chiral asymmetry in the early Universe
• Transport Properties of the Quark-Gluon Plasma -- A Lattice QCD Perspective
• Detection of gravitational waves from the QCD phase transition with pulsar timing arrays
• Correlated noise in networks of gravitational-wave detectors: subtraction and mitigation
• Fundamental physics and cosmology with LISA
• Phase Transitions and Gauge Artifacts in an Abelian Higgs Plus Singlet Model
• A large scale coherent magnetic field: interactions with free streaming particles and limits from the CMB
• Gravity Waves as a Probe of Hubble Expansion Rate During An Electroweak Scale Phase Transition
• Domain walls and CP violation with left right supersymmetry:implications for leptogenesis and electron EDM
• Semiclassical approach to atomic decoherence by gravitational waves
• Production of Primordial Gravitational Waves in Teleparallel Gravity