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Theoretical uncertainties for cosmological first-order phase transitions

- D. Croon, Oliver Gould, P. Schicho, T. Tenkanen, G. White
- Physics
- 21 September 2020

We critically examine the magnitude of theoretical uncertainties in perturbative calculations of first-order phase transitions, using the Standard Model effective field theory as our guide. In the… Expand

Wess–Zumino inflation in light of Planck

- D. Croon, J. Ellis, N. Mavromatos
- Physics
- 25 March 2013

Abstract We discuss cosmological inflation in the minimal Wess–Zumino model with a single massive chiral supermultiplet. With suitable parameters and assuming a plausible initial condition at the… Expand

Non-locality in quantum field theory due to general relativity

- X. Calmet, D. Croon, Christopher Fritz
- Physics
- 18 May 2015

We show that general relativity coupled to a quantum field theory generically leads to non-local effects in the matter sector. These non-local effects can be described by non-local higher dimensional… Expand

Hidden-Sector Spectroscopy with Gravitational Waves from Binary Neutron Stars

- D. Croon, A. Nelson, C. Sun, D. G. Walker, Z. Xianyu
- Physics
- 6 November 2017

We show that neutron star binaries can be ideal laboratories to probe hidden sectors with a long range force. In particular, it is possible for gravitational wave detectors such as LIGO and Virgo to… Expand

Boson Star from Repulsive Light Scalars and Gravitational Waves

We study properties of boson stars consisting of ultra-light scalar dark matter with repulsive self-interactions. We investigate the origin of the maximum mass of spherically symmetric stable stars… Expand

Model discrimination in gravitational wave spectra from dark phase transitions

A bstractIn anticipation of upcoming gravitational wave experiments, we provide a comprehensive overview of the spectra predicted by phase transitions triggered by states from a large variety of dark… Expand

Gravitational waves from a Pati-Salam phase transition

- D. Croon, T. Gonzalo, G. White
- Physics
- 6 December 2018

A bstractWe analyse the gravitational wave and low energy signatures of a Pati-Salam phase transition. For a Pati-Salam scale of MPS ∼ 105 GeV, we find a stochastic power spectrum within reach of the… Expand

Reheating with a composite Higgs boson

- D. Croon, V. Sanz, E. Tarrant
- Physics
- 16 July 2015

The flatness of the inflaton potential and lightness of the Higgs boson could have the common origin of the breaking of a global symmetry. This scenario provides a unified framework of Goldstone… Expand

Subaru through a different lens: microlensing by extended dark matter structures

- D. Croon, D. McKeen, N. Raj, Zihui Wang
- Physics
- 24 July 2020

We investigate gravitational microlensing signals produced by a spatially extended object transiting in front of a finite-sized source star. The most interesting features arise for lens and source… Expand

Goldstone inflation

- D. Croon, V. Sanz, Jack Setford
- Physics
- 26 March 2015

A bstractIdentifying the inflaton with a pseudo-Goldstone boson explains the flatness of its potential. Successful Goldstone Inflation should also be robust against UV corrections, such as from… Expand

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