Stability of light positronic atoms: Quantum Monte Carlo studies

Thumbnail Image

Files

PhysRevA.54.4849.pdf (302.19 KB)

Access rights

openAccess
publishedVersion

URL

Journal Title

Journal ISSN

Volume Title

A1 Alkuperäisartikkeli tieteellisessä aikakauslehdessä
This publication is imported from Aalto University research portal.
View publication in the Research portal (opens in new window)
View/Open full text file from the Research portal (opens in new window)
Unless otherwise stated, all rights belong to the author. You may download, display and print this publication for Your own personal use. Commercial use is prohibited.

Authors

Date

1996

Department

Department of Applied Physics

Major/Subject

Mcode

Degree programme

Language

en

Pages

Series

Physical Review A, Volume 54, issue 6, pp. 4849-4853

Abstract

We present accurate ground-state energies for the positronium atom in a Coulomb field of point charge Z (XZPs), for the positronium hydrogen (HPs) and positronium lithium (LiPs) atoms. Calculations are done using the diffusion quantum Monte Carlo (DQMC) method. For XZPs, the critical value of Z for binding is examined. While HPs is stable, the results show that LiPs is unstable against dissociation to a lithium atom and a positronium.

Description

Keywords

Positron annihilation, Quantum Monte Carlo

Other note

DOI

10.1103/PhysRevA.54.4849

Citation

Harju, A, Barbiellini, B & Nieminen, R M 1996, 'Stability of light positronic atoms: Quantum Monte Carlo studies', Physical Review A, vol. 54, no. 6, pp. 4849-4853. https://doi.org/10.1103/PhysRevA.54.4849

Permanent link to this item

https://urn.fi/URN:NBN:fi:aalto-202510087718

Collections

[article-cris] Perustieteiden korkeakoulu / SCI