重子晶体、支链和球体的稀拉顿动力学

IF 5 2区 物理与天体物理 Q1 Physics and Astronomy
Jahmall Bersini, Alessandra D’Alise, Francesco Sannino, Matías Torres
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引用次数: 0

摘要

我们系统地分析了扩张动力学对天球、晶体和支链的影响。我们讨论了包含不同底层近共形动力学的稀拉顿模型参数对天球宏观特性(如质量和半径)的影响。对于球体和晶体,我们确定了衰变常数比率的特殊值,在这些值下,二阶微分方程可以简化为可解的一阶系统。此外,就晶体而言,稀释子的存在在空间上分离了重子和等时空电荷分布。对于支链,我们展示了稀释子是如何平滑其构型的。我们的研究结果将对类似 QCD 理论的近共形动力学研究以及极端状态下核物质的现象学研究产生广泛影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Dilatonic dynamics of baryonic crystals, branes, and spheres
We systematically analyze the impact of dilatonic dynamics on Skyrme spheres, crystals, and branes. The effects of the dilatonic model parameters, encompassing different underlying near-conformal dynamics, on the macroscopic properties of skyrmions such as their mass and radius are discussed. For spheres and crystals we identify special values of the ratio of the decay constants for which the second order differential equations reduce to a solvable first order system. Additionally, in the case of the crystals, the dilaton presence spatially separates the baryon and isospin charge distributions. For branes, we show how the dilaton smooths out their configurations. Our results are expected to have wide implications from the study of near-conformal dynamics stemming from QCD-like theories to phenomenological investigations of nuclear matter in extreme regimes.
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来源期刊
Physical Review D
Physical Review D 物理-天文与天体物理
CiteScore
9.20
自引率
36.00%
发文量
0
审稿时长
2 months
期刊介绍: Physical Review D (PRD) is a leading journal in elementary particle physics, field theory, gravitation, and cosmology and is one of the top-cited journals in high-energy physics. PRD covers experimental and theoretical results in all aspects of particle physics, field theory, gravitation and cosmology, including: Particle physics experiments, Electroweak interactions, Strong interactions, Lattice field theories, lattice QCD, Beyond the standard model physics, Phenomenological aspects of field theory, general methods, Gravity, cosmology, cosmic rays, Astrophysics and astroparticle physics, General relativity, Formal aspects of field theory, field theory in curved space, String theory, quantum gravity, gauge/gravity duality.
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