Interference narrowing at crossings of sodium Stark resonances

J. Y. Liu; P. McNicholl; D. A. Harmin; J. Ivri; T. Bergeman; H. J. Metcalf

doi:10.1103/PhysRevLett.55.189

Interference narrowing at crossings of sodium Stark resonances

J. Y. Liu
, P. McNicholl
, D. A. Harmin
, J. Ivri
, T. Bergeman
, H. J. Metcalf

Physics and Astronomy

Stony Brook University

Research output: Contribution to journal › Article › peer-review

39 Scopus citations

Abstract

We have observed a striking line narrowing in the photoionization spectrum of sodium atoms in an electric field. At crossings of two relatively broad resonances, one of them is narrowed by 2 to 3 orders of magnitude as a result of interference between the discrete and continuum coupling amplitudes that mediate their ionization. The observations agree quantitatively with WKB quantum-defect Stark theory and also with a simpler model involving two discrete states and two continua.

Original language	English
Pages (from-to)	189-192
Number of pages	4
Journal	Physical Review Letters
Volume	55
Issue number	2
DOIs	https://doi.org/10.1103/PhysRevLett.55.189
State	Published - 1985

Access to Document

10.1103/PhysRevLett.55.189

Cite this

@article{6ae324693348429fa17d3b2a845a1289,

title = "Interference narrowing at crossings of sodium Stark resonances",

abstract = "We have observed a striking line narrowing in the photoionization spectrum of sodium atoms in an electric field. At crossings of two relatively broad resonances, one of them is narrowed by 2 to 3 orders of magnitude as a result of interference between the discrete and continuum coupling amplitudes that mediate their ionization. The observations agree quantitatively with WKB quantum-defect Stark theory and also with a simpler model involving two discrete states and two continua.",

author = "Liu, \{J. Y.\} and P. McNicholl and Harmin, \{D. A.\} and J. Ivri and T. Bergeman and Metcalf, \{H. J.\}",

year = "1985",

doi = "10.1103/PhysRevLett.55.189",

language = "English",

volume = "55",

pages = "189--192",

journal = "Physical Review Letters",

issn = "0031-9007",

number = "2",

}

TY - JOUR

T1 - Interference narrowing at crossings of sodium Stark resonances

AU - Liu, J. Y.

AU - McNicholl, P.

AU - Harmin, D. A.

AU - Ivri, J.

AU - Bergeman, T.

AU - Metcalf, H. J.

PY - 1985

Y1 - 1985

N2 - We have observed a striking line narrowing in the photoionization spectrum of sodium atoms in an electric field. At crossings of two relatively broad resonances, one of them is narrowed by 2 to 3 orders of magnitude as a result of interference between the discrete and continuum coupling amplitudes that mediate their ionization. The observations agree quantitatively with WKB quantum-defect Stark theory and also with a simpler model involving two discrete states and two continua.

AB - We have observed a striking line narrowing in the photoionization spectrum of sodium atoms in an electric field. At crossings of two relatively broad resonances, one of them is narrowed by 2 to 3 orders of magnitude as a result of interference between the discrete and continuum coupling amplitudes that mediate their ionization. The observations agree quantitatively with WKB quantum-defect Stark theory and also with a simpler model involving two discrete states and two continua.

UR - https://www.scopus.com/pages/publications/5344263945

U2 - 10.1103/PhysRevLett.55.189

DO - 10.1103/PhysRevLett.55.189

M3 - Article

AN - SCOPUS:5344263945

SN - 0031-9007

VL - 55

SP - 189

EP - 192

JO - Physical Review Letters

JF - Physical Review Letters

IS - 2

ER -

Interference narrowing at crossings of sodium Stark resonances

Abstract

Access to Document

Other files and links

Fingerprint

Cite this