A4 Article in conference proceedings
Understanding the dynamics of field theories far from equilibrium (2019)
Boguslavski, Kirill (2019). Understanding the dynamics of field theories far from equilibrium. In Confinement 2018 : Proceedings of the XIII Quark Confinement and the Hadron Spectrum Conference, POS Proceedings of Science, 336. Sissa Medialab srl, 136. DOI: 10.22323/1.336.0136
JYU authors or editors
Publication details
All authors or editors: Boguslavski, Kirill
Parent publication: Confinement 2018 : Proceedings of the XIII Quark Confinement and the Hadron Spectrum Conference
Conference:
- Quark Confinement and the Hadron Spectrum Conference
Place and date of conference: Maynooth University, Ireland, 31.7.-6.8.2018
Journal or series: POS Proceedings of Science
eISSN: 1824-8039
Publication year: 2019
Number in series: 336
Article number: 136
Publisher: Sissa Medialab srl
Publication country: Italy
Publication language: English
DOI: https://doi.org/10.22323/1.336.0136
Open Access: Publication published in an open access channel
Publication is parallel published (JYX): https://jyx.jyu.fi/handle/123456789/66248
Publication is parallel published: https://arxiv.org/abs/1811.07171
Abstract
In recent years, there have been important advances in understanding the far-from-equilibrium dynamics in different physical systems. In ultra-relativistic heavy-ion collisions, the combination of different methods led to the development of a weak-coupling description of the early-time dynamics. The numerical observation of a classical universal attractor played a crucial role for this. Such attractors, also known as non-thermal fixed points (NTFPs), have been now predicted for different scalar and gauge theories. An important universal NTFP emerges in scalar theories modeling ultra-cold atoms, inflation or dark matter, and its scaling properties have been recently observed in an ultra-cold atom experiment. In this proceeding, recent progress in selected topics of the far-from-equilibrium evolution in these systems will be discussed. A new method to extract the spectral function numerically is a particularly promising tool to better understand their microscopic properties.
Keywords: particle physics; quantum field theory
Contributing organizations
Ministry reporting: Yes
Reporting Year: 2019
JUFO rating: 0