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  • 2202.13204

    Rights statement: © 2022 American Physical Society

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Quantum Monte Carlo Study of Positron Lifetimes in Solids

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

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Quantum Monte Carlo Study of Positron Lifetimes in Solids. / Simula, Kristoffer; Muff, Jake; Makkonen, Ilja et al.
In: Physical review letters, Vol. 129, No. 16, 166403, 14.10.2022.

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

Harvard

Simula, K, Muff, J, Makkonen, I & Drummond, N 2022, 'Quantum Monte Carlo Study of Positron Lifetimes in Solids', Physical review letters, vol. 129, no. 16, 166403. https://doi.org/10.1103/PhysRevLett.129.166403

APA

Simula, K., Muff, J., Makkonen, I., & Drummond, N. (2022). Quantum Monte Carlo Study of Positron Lifetimes in Solids. Physical review letters, 129(16), Article 166403. https://doi.org/10.1103/PhysRevLett.129.166403

Vancouver

Simula K, Muff J, Makkonen I, Drummond N. Quantum Monte Carlo Study of Positron Lifetimes in Solids. Physical review letters. 2022 Oct 14;129(16):166403. doi: 10.1103/PhysRevLett.129.166403

Author

Simula, Kristoffer ; Muff, Jake ; Makkonen, Ilja et al. / Quantum Monte Carlo Study of Positron Lifetimes in Solids. In: Physical review letters. 2022 ; Vol. 129, No. 16.

Bibtex

@article{f56f988447e543dd8ee39e5823257a68,
title = "Quantum Monte Carlo Study of Positron Lifetimes in Solids",
abstract = "We present an analysis of positron lifetimes in solids with unprecedented depth. Instead of modeling correlation effects with density functionals, we study positron-electron wave functions with long-range correlations included. This gives new insight in understanding positron annihilation in metals, insulators, and semiconductors. By using a new quantum Monte Carlo approach for computation of positron lifetimes, an improved accuracy compared to previous computations is obtained for a representative set of materials when compared with experiment. Thus, we present a method without free parameters as a useful alternative to the already existing methods for modeling positrons in solids.",
author = "Kristoffer Simula and Jake Muff and Ilja Makkonen and Neil Drummond",
note = "{\textcopyright} 2022 American Physical Society ",
year = "2022",
month = oct,
day = "14",
doi = "10.1103/PhysRevLett.129.166403",
language = "English",
volume = "129",
journal = "Physical review letters",
issn = "1079-7114",
publisher = "American Physical Society",
number = "16",

}

RIS

TY - JOUR

T1 - Quantum Monte Carlo Study of Positron Lifetimes in Solids

AU - Simula, Kristoffer

AU - Muff, Jake

AU - Makkonen, Ilja

AU - Drummond, Neil

N1 - © 2022 American Physical Society

PY - 2022/10/14

Y1 - 2022/10/14

N2 - We present an analysis of positron lifetimes in solids with unprecedented depth. Instead of modeling correlation effects with density functionals, we study positron-electron wave functions with long-range correlations included. This gives new insight in understanding positron annihilation in metals, insulators, and semiconductors. By using a new quantum Monte Carlo approach for computation of positron lifetimes, an improved accuracy compared to previous computations is obtained for a representative set of materials when compared with experiment. Thus, we present a method without free parameters as a useful alternative to the already existing methods for modeling positrons in solids.

AB - We present an analysis of positron lifetimes in solids with unprecedented depth. Instead of modeling correlation effects with density functionals, we study positron-electron wave functions with long-range correlations included. This gives new insight in understanding positron annihilation in metals, insulators, and semiconductors. By using a new quantum Monte Carlo approach for computation of positron lifetimes, an improved accuracy compared to previous computations is obtained for a representative set of materials when compared with experiment. Thus, we present a method without free parameters as a useful alternative to the already existing methods for modeling positrons in solids.

U2 - 10.1103/PhysRevLett.129.166403

DO - 10.1103/PhysRevLett.129.166403

M3 - Journal article

VL - 129

JO - Physical review letters

JF - Physical review letters

SN - 1079-7114

IS - 16

M1 - 166403

ER -