Home > Research > Publications & Outputs > Quantum Monte Carlo study of a positron in an e...

Research

Associated organisational units

Electronic data

  • E207402

    Rights statement: © 2011 American Physical Society

    Final published version, 254 KB, PDF document

Links

Text available via DOI:

View graph of relations

Quantum Monte Carlo study of a positron in an electron gas

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

Quantum Monte Carlo study of a positron in an electron gas. / Drummond, Neil; Lopez Rios, P.; Needs, R. J. et al.
In: Physical review letters, Vol. 107, No. 20, 207402, 08.11.2011.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Drummond, N, Lopez Rios, P, Needs, RJ & Pickard, CJ 2011, 'Quantum Monte Carlo study of a positron in an electron gas', Physical review letters, vol. 107, no. 20, 207402. https://doi.org/10.1103/PhysRevLett.107.207402

APA

Drummond, N., Lopez Rios, P., Needs, R. J., & Pickard, C. J. (2011). Quantum Monte Carlo study of a positron in an electron gas. Physical review letters, 107(20), Article 207402. https://doi.org/10.1103/PhysRevLett.107.207402

Vancouver

Drummond N, Lopez Rios P, Needs RJ, Pickard CJ. Quantum Monte Carlo study of a positron in an electron gas. Physical review letters. 2011 Nov 8;107(20):207402. doi: 10.1103/PhysRevLett.107.207402

Author

Drummond, Neil ; Lopez Rios, P. ; Needs, R. J. et al. / Quantum Monte Carlo study of a positron in an electron gas. In: Physical review letters. 2011 ; Vol. 107, No. 20.

Bibtex

@article{29396db3d54b4505bb400e236c61d15e,
title = "Quantum Monte Carlo study of a positron in an electron gas",
abstract = "Quantum Monte Carlo calculations of the relaxation energy, pair-correlation function, and annihilating-pair momentum density are presented for a positron immersed in a homogeneous electron gas. We find smaller relaxation energies and contact pair-correlation functions in the important low-density regime than predicted by earlier studies. Our annihilating-pair momentum densities have almost zero weight above the Fermi momentum due to the cancellation of electron-electron and electron-positron correlation effects.",
author = "Neil Drummond and {Lopez Rios}, P. and Needs, {R. J.} and Pickard, {C. J.}",
note = "{\textcopyright} 2011 American Physical Society",
year = "2011",
month = nov,
day = "8",
doi = "10.1103/PhysRevLett.107.207402",
language = "English",
volume = "107",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "20",

}

RIS

TY - JOUR

T1 - Quantum Monte Carlo study of a positron in an electron gas

AU - Drummond, Neil

AU - Lopez Rios, P.

AU - Needs, R. J.

AU - Pickard, C. J.

N1 - © 2011 American Physical Society

PY - 2011/11/8

Y1 - 2011/11/8

N2 - Quantum Monte Carlo calculations of the relaxation energy, pair-correlation function, and annihilating-pair momentum density are presented for a positron immersed in a homogeneous electron gas. We find smaller relaxation energies and contact pair-correlation functions in the important low-density regime than predicted by earlier studies. Our annihilating-pair momentum densities have almost zero weight above the Fermi momentum due to the cancellation of electron-electron and electron-positron correlation effects.

AB - Quantum Monte Carlo calculations of the relaxation energy, pair-correlation function, and annihilating-pair momentum density are presented for a positron immersed in a homogeneous electron gas. We find smaller relaxation energies and contact pair-correlation functions in the important low-density regime than predicted by earlier studies. Our annihilating-pair momentum densities have almost zero weight above the Fermi momentum due to the cancellation of electron-electron and electron-positron correlation effects.

UR - http://www.scopus.com/inward/record.url?scp=81055126941&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.107.207402

DO - 10.1103/PhysRevLett.107.207402

M3 - Journal article

AN - SCOPUS:81055126941

VL - 107

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 20

M1 - 207402

ER -