Theoretical Study of Sodium and Potassium Resonance Lines Pressure Broadened by Helium Atoms

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dc.creatorZhu, Cheng
dc.creatorBabb, James F.
dc.creatorDalgarno, Alex
dc.date2006-01-17
dc.date.accessioned2026-07-07T06:59:53Z
dc.date.available2026-07-07T06:59:53Z
dc.descriptionWe perform fully quantum mechanical calculations in the binary approximation of the emission and absorption profiles of the sodium $3s$-$3p$ and potassium $4s$-$4p$ resonance lines under the influence of a helium perturbing gas. We use carefully constructed potential energy surfaces and transition dipole moments to compute the emission and absorption coefficients at temperatures from 158 to 3000 K. Contributions from quasi-bound states are included. The resulting red and blue wing profiles agree well with previous theoretical calculations and with experimental measurements.
dc.description16 figures
dc.identifierhttps://arxiv.org/abs/physics/0601121
dc.identifierhttp://arxiv.org/abs/physics/0601121
dc.identifierPhys. Rev. A, 73 (2006), 012506
dc.identifierdoi:10.1103/PhysRevA.73.012506
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/107907
dc.subjectAtomic Physics
dc.titleTheoretical Study of Sodium and Potassium Resonance Lines Pressure Broadened by Helium Atoms
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