van der Waals coefficients for positronium-atom interactions

James Mitroy; Michael Bromley

van der Waals coefficients for positronium-atom interactions

James Mitroy, Michael Bromley

Research output: Contribution to journal › Article

Abstract

Estimates of the van der Waals coefficient C6 were made for various Ps-atom systems. Results for H and He are effectively exact and reproduce earlier calcualtions. It was emphasized that the C6 parameters for the rare gases and alkali-metal atoms should also be reliable with an expected uncertainty of 1-2%.

Original language	English
Pages (from-to)	35201.1-35201.3
Journal	Physical Review A - Atomic, Molecular, and Optical Physics
Volume	68
Issue number	3
Publication status	Published - 2003

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@article{3502d30a3b3e4ef0b32094a78f5eba0a,

title = "van der Waals coefficients for positronium-atom interactions",

abstract = "Estimates of the van der Waals coefficient C6 were made for various Ps-atom systems. Results for H and He are effectively exact and reproduce earlier calcualtions. It was emphasized that the C6 parameters for the rare gases and alkali-metal atoms should also be reliable with an expected uncertainty of 1-2%.",

keywords = "Alkali metals, Atomic physics, Electron transitions, Ground state, Hamiltonians, Helium, Hydrogen, Inert gases, Numerical methods, Positrons, Potential energy, Quantum theory, Positronium-atom interactions, Semiempirical method, Van der Waals coefficients, Van der Waals forces",

author = "James Mitroy and Michael Bromley",

year = "2003",

language = "English",

volume = "68",

pages = "35201.1--35201.3",

journal = "Physical Review A",

issn = "1050-2947",

publisher = "American Physical Society",

number = "3",

}

TY - JOUR

T1 - van der Waals coefficients for positronium-atom interactions

AU - Mitroy, James

AU - Bromley, Michael

PY - 2003

Y1 - 2003

N2 - Estimates of the van der Waals coefficient C6 were made for various Ps-atom systems. Results for H and He are effectively exact and reproduce earlier calcualtions. It was emphasized that the C6 parameters for the rare gases and alkali-metal atoms should also be reliable with an expected uncertainty of 1-2%.

AB - Estimates of the van der Waals coefficient C6 were made for various Ps-atom systems. Results for H and He are effectively exact and reproduce earlier calcualtions. It was emphasized that the C6 parameters for the rare gases and alkali-metal atoms should also be reliable with an expected uncertainty of 1-2%.

KW - Alkali metals

KW - Atomic physics

KW - Electron transitions

KW - Ground state

KW - Hamiltonians

KW - Helium

KW - Hydrogen

KW - Inert gases

KW - Numerical methods

KW - Positrons

KW - Potential energy

KW - Quantum theory

KW - Positronium-atom interactions

KW - Semiempirical method

KW - Van der Waals coefficients

KW - Van der Waals forces

M3 - Article

VL - 68

SP - 35201.1-35201.3

JO - Physical Review A

JF - Physical Review A

SN - 1050-2947

IS - 3

ER -