Perturbation theory for confined systems
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Publication:2441099
DOI10.1007/S10910-013-0252-6zbMATH Open1312.82013arXiv1004.2508OpenAlexW2057118179MaRDI QIDQ2441099
Author name not available (Why is that?)
Publication date: 21 March 2014
Published in: (Search for Journal in Brave)
Abstract: We discuss the application of perturbation theory to a system of particles confined in a spherical box. A simple argument shows that the particles behave almost independently in sufficiently strong confinement. We choose the helium atom with a moving nucleus as a particular example and compare results of first order with those for the nucleus clamped at the center of the box. We provide a suitable explanation for some numerical results obtained recently by other authors.
Full work available at URL: https://arxiv.org/abs/1004.2508
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