Zobrazeno 1 - 10
of 7 877
pro vyhledávání: '"Finite temperature"'
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 12, Pp 1-42 (2024)
Abstract The rates of flavor-changing weak processes are crucial in determining the conditions of beta equilibrium in neutron stars and mergers, influencing the damping of oscillations, the stability of rotating pulsars, and the emission of gravitati
Externí odkaz:
https://doaj.org/article/9dd39959819f4e0b9c7c4137b12e28e4
Autor:
Hugo Schérer, Katelin Schutz
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 11, Pp 1-21 (2024)
Abstract In an isotropic background comprised of free charges, the transverse and longitudinal modes of the photon acquire large corrections to their dispersion relations, described by the in-medium photon self-energy. Previous work has developed sim
Externí odkaz:
https://doaj.org/article/c0456b849d5c4ed885bc9daffb4fa97b
Autor:
Pablo Navarrete, York Schröder
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 11, Pp 1-20 (2024)
Abstract We present major progress towards the determination of the last missing piece for the pressure of a Yang-Mills plasma at high temperatures at order g 6 in the strong coupling constant. This order is of key importance due to its role in resol
Externí odkaz:
https://doaj.org/article/ad8150fc8956445d9219a15d11bb952e
Autor:
Nicolas Kovensky, Andreas Schmitt
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 10, Pp 1-33 (2024)
Abstract The holographic Witten-Sakai-Sugimoto model is often employed to describe strongly-coupled baryonic and isospin-asymmetric matter, for example in the context of neutron stars. Here we consider the case of vanishing baryon chemical potential,
Externí odkaz:
https://doaj.org/article/5d933fd661bc4d8c8a154029bb043983
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 10, Pp 1-18 (2024)
Abstract In this study, we explore the real-time dynamics of the chiral magnetic effect (CME) at a finite temperature in the (1+1)-dimensional QED, the massive Schwinger model. By introducing a chiral chemical potential μ 5 through a quench process,
Externí odkaz:
https://doaj.org/article/c3471c5307544a24a9a5b3980fa5e585
Autor:
Isabella Danhoni, Guy D. Moore
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 9, Pp 1-23 (2024)
Abstract The next-to-leading order weak-coupling shear viscosity of QCD was computed 6 years ago. However, these results have never been applied at finite baryon chemical potential μ, even though intermediate-energy heavy ion collisions and merging
Externí odkaz:
https://doaj.org/article/44452d7533d8410180d01f8180270c36
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 9, Pp 1-47 (2024)
Abstract Inside a medium, showers originating from a very high-energy particle may develop via medium-induced splitting processes such as hard bremsstrahlung or pair production. During shower development, two consecutive splittings sometimes overlap
Externí odkaz:
https://doaj.org/article/e5e1ee4747224eef8c42c7cb0c37a260
Autor:
Valdir Barbosa Bezerra, Herondy Francisco Santana Mota, Augusto P. C. M. Lima, Geová Alencar, Celio Rodrigues Muniz
Publikováno v:
Physics, Vol 6, Iss 3, Pp 1046-1071 (2024)
In this paper, we review some recent findings related to the Casimir effect. Initially, the thermal corrections to the vacuum Casimir energy density are calculated, for a quantum scalar field, whose modes propagate in the (3+1)-dimensional Euclidean
Externí odkaz:
https://doaj.org/article/c22ae85d8ef843769bc133be1d7c861b
Autor:
Peter Lowdon, Owe Philipsen
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 8, Pp 1-22 (2024)
Abstract A well-known difficulty of perturbative approaches to quantum field theory at finite temperature is the necessity to address theoretical constraints that are not present in the vacuum theory. In this work, we use lattice simulations of scala
Externí odkaz:
https://doaj.org/article/1bf20f4ccf60443eb060745f1a869d92
Autor:
François Gelis, Sigtryggur Hauksson
Publikováno v:
Journal of High Energy Physics, Vol 2024, Iss 8, Pp 1-45 (2024)
Abstract Motivated by isotropization of QCD matter in the initial stages of heavy-ion collisions, we consider a system of scalar fields that undergoes a boost invariant longitudinal expansion. We use the framework of the two-particle irreducible (2PI
Externí odkaz:
https://doaj.org/article/4cc57494f68a4d7e87ee3d1e38be8f3e