Semi-analytic techniques for calculating bubble wall profiles

Sujeet Akula; Csaba Balazs; Graham White

doi:10.1140/epjc/s10052-016-4519-5

Semi-analytic techniques for calculating bubble wall profiles

Sujeet Akula, Csaba Balazs, Graham White

School of Physics and Astronomy

Research output: Contribution to journal › Article › Research › peer-review

26 Citations (Scopus)

Abstract

We present semi-analytic techniques for finding bubble wall profiles during first order phase transitions with multiple scalar fields. Our method involves reducing the problem to an equation with a single field, finding an approximate analytic solution and perturbing around it. The perturbations can be written in a semi-analytic form. We assert that our technique lacks convergence problems and demonstrate the speed of convergence on an example potential.

Original language	English
Article number	681
Number of pages	9
Journal	European Physical Journal C
Volume	76
Issue number	12
DOIs	https://doi.org/10.1140/epjc/s10052-016-4519-5
Publication status	Published - 1 Dec 2016

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10.1140/epjc/s10052-016-4519-5

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title = "Semi-analytic techniques for calculating bubble wall profiles",

abstract = "We present semi-analytic techniques for finding bubble wall profiles during first order phase transitions with multiple scalar fields. Our method involves reducing the problem to an equation with a single field, finding an approximate analytic solution and perturbing around it. The perturbations can be written in a semi-analytic form. We assert that our technique lacks convergence problems and demonstrate the speed of convergence on an example potential.",

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AB - We present semi-analytic techniques for finding bubble wall profiles during first order phase transitions with multiple scalar fields. Our method involves reducing the problem to an equation with a single field, finding an approximate analytic solution and perturbing around it. The perturbations can be written in a semi-analytic form. We assert that our technique lacks convergence problems and demonstrate the speed of convergence on an example potential.

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Semi-analytic techniques for calculating bubble wall profiles

Abstract

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ARC Centre of Excellence for Particle Physics at the Tera-Scale

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Semi-analytic techniques for calculating bubble wall profiles

Abstract

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ARC Centre of Excellence for Particle Physics at the Tera-Scale

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