基底算子化的各向异性激发底性
高能物理 - 格点
2025-02-06 v1
摘要
底性在我们理解夸克-胶子等离子体方面起着关键作用。我们对底性在 MeV 温度范围内进行了使用 Fastsum Generation 2L 各向异性 集合的格子非相对论QCD计算。采用基底化算子的做法，使我们能够在零温下提取激发态质量，并探讨其在非零温度下的热力学性质。我们发现，变分方法在有限温度下显著改善了基态信号。我们还应用时间导数矩方法，对有限温度下的投影或最优关联函数进行分析。
引用
@article{arxiv.2502.03185,
title = {Anisotropic excited bottomonia from a basis of smeared operators},
author = {Ryan Bignell and Gert Aarts and Chris Allton and M. Naeem Anwar and Timothy J. Burns and Rachel Horohan D'arcy and Benjamin Jäger and Seyong Kim and Maria Paola Lombardo and Sinéad Ryan and Jon-Ivar Skullerud and Antonio Smecca},
journal= {arXiv preprint arXiv:2502.03185},
year = {2025}
}
备注
13 pages, 3 figures, talk presented at the 41st International Symposium on Lattice Field Theory (Lattice2024), July 28th - August 3rd, 2024, Liverpool, UK