Zobrazeno 1 - 10
of 29
pro vyhledávání: '"T M Luke"'
Autor:
T M Luke
Publikováno v:
Canadian Journal of Physics. 77:571-583
Rates have been calculated for electric dipole transitions in Ti II between the fine structure levels of the terms 4p z 4Go, 4 Fo, 2Fo, 2Do, 4Do, and 2Go to the levels of the groundterm 4s a 4F and comparisons are made with the most recent available
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e3f2c85c206a644b42cc8d933a9b22ed
https://doi.org/10.1139/p99-058
https://doi.org/10.1139/p99-058
Autor:
T. M. Luke
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 30:4223-4234
Rates for electric-dipole transitions in V II from all levels of the and terms to the levels of the and terms have been calculated in a configuration-interaction model. All the lower (even-parity) levels and certain upper (odd) levels are essentially
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59a441e0095e21cb27c7753fac93fb34
https://doi.org/10.1088/0953-4075/30/19/013
https://doi.org/10.1088/0953-4075/30/19/013
Autor:
T M Luke
Publikováno v:
Physica Scripta. 54:346-351
Transition rates are calculated for decays from the z 4DJo, z 4FJo and z 4GJo levels of neutral vanadium to the levels of the a 4Fe ground term. Up to 62 configurations are used to construct the wave functions in a configuration interaction calculati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::137429586dfd3d2d6dcd2d3a71f33ca8
https://doi.org/10.1088/0031-8949/54/4/008
https://doi.org/10.1088/0031-8949/54/4/008
Autor:
T M Luke, K Aashamar
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 27:1091-1103
Transition rates have been calculated for all electric dipole allowed decays for Cr II of the 3d44p levels arising from the closely spaced 6Po, 6Do and 4Po terms, to all lower levels that arise from the 6S, 6D, 4P, and 4D terms of the 3d5 and 3d44s c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::03ea8ea3788c442d27aa614ab8de190e
https://doi.org/10.1088/0953-4075/27/6/009
https://doi.org/10.1088/0953-4075/27/6/009
Autor:
T M Luke, K Aashamar
Publikováno v:
Physica Scripta. 49:280-285
Configuration interaction calculations have been carried out to obtain rates for electric dipole transitions and lifetimes for the 1s22s22p63s2 3p63d44d and 5s6D and 4d6F levels in Cr II. Up to 40 configurations have been included so correlation effe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::22fa16fcc4460868abb95e10437dec47
https://doi.org/10.1088/0031-8949/49/3/005
https://doi.org/10.1088/0031-8949/49/3/005
Publikováno v:
Physica Scripta. 47:542-545
Lifetimes for the spin forbidden decay of the 3s3p3 5s20 level in the ions with nuclear charge 15 ≤ Z ≤ 30 of the Si isoelectronic sequence are calculated in the multiconfiguration optimized potential model and compared with other calculations an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::795eab6fdd2d58b1a46505cff741fbf9
https://doi.org/10.1088/0031-8949/47/4/011
https://doi.org/10.1088/0031-8949/47/4/011
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 26:863-871
In the calculation of atomic structure using the configuration interaction (CI) approach, very large numbers of terms may be present in important mixing configurations. This causes computational difficulties in, for example, the non-relativistic calc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc45347b9d798ef0857282ac0f55d2f2
https://doi.org/10.1088/0953-4075/26/5/010
https://doi.org/10.1088/0953-4075/26/5/010
Autor:
A S Deakin, T M Luke
Publikováno v:
Journal of Physics A: Mathematical and General. 25:635-648
The inverse eigenvalue problem for matrices is studied with the objective of obtaining an efficient method for correcting energy levels in atomic systems, though the results are applicable to any eigenvalue problem. The approach is a development of e
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2fa37787fb2840720a187e4098ab581
https://doi.org/10.1088/0305-4470/25/3/020
https://doi.org/10.1088/0305-4470/25/3/020
Autor:
T M Luke, K Aashamar
Publikováno v:
Journal of Physics B: Atomic, Molecular and Optical Physics. 23:L733-L738
Structure and oscillator strength calculations are performed for the Cr II ion in intermediate coupling. Certain important correlation configurations contribute large numbers of levels which makes the problem very demanding in computing resources. A
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::849a2402cdae5f011fd6a245f88abb6d
https://doi.org/10.1088/0953-4075/23/22/001
https://doi.org/10.1088/0953-4075/23/22/001
Publikováno v:
Physica Scripta. 42:145-149
Oscillator strengths for transitions among sextet terms of the configurations 3d5, 3d44s, 3d44p, 3d44d and 3d45s of singly ionized Chromium have been calculated. Transition wavelengths lie in the range 2050-3100 A. The calculations have been performe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fecd78c0edf20dc69d86bdc9e03932fb
https://doi.org/10.1088/0031-8949/42/2/005
https://doi.org/10.1088/0031-8949/42/2/005