弱束缚核中粒子连续态的配对诱导局域化
核理论
2009-11-06 v1
摘要
利用Gor'kov形式并精确处理粒子连续态,数值求解了截断局域能量密度泛函的Hartree-Fock-Bogolyubov (HFB)问题。通过滴线核70Ca的示例,清晰展示了共振和“气体”连续态对HFB本征态谱密度的贡献,以及分立HF空穴轨道的移动和展宽。分析了局域基态中中子密度分布的结构,并证明其延伸尾部(“晕”)的形成是集体配对效应。
引用
@article{arxiv.nucl-th/0009015,
title = {Pairing-induced localization of the particle continuum in weakly bound nuclei},
author = {S. A. Fayans and S. V. Tolokonnikov and D. Zawischa},
journal= {arXiv preprint arXiv:nucl-th/0009015},
year = {2009}
}
备注
13 pages, 4 figures; LaTeX, uses epsf.sty, to be published in Phys. Lett. B