Teorinės fizikos ir astronomijos institutas Teorinės fizikos ir astronomijos institutas

Atominių procesų fizikos grupė » Darbuotojai

dr. Valdas Jonauskas

grupės vadovas, vyriausiasis mokslo darbuotojas

Kab. A410
Tel. (8 5) 223 4652
El. p. 
 

Moksliniai straipsniai:

1.   S. Kučas, V. Jonauskas, R. Karazija, I. Martinson, Global characteristics of the atomic spectra and their use for the analysis of spectra. II. Characteristic emission spectra, Physica Scripta 51, 566-577 (1995).

2.  S. Kučas, R. Karazija, V. Jonauskas, S. Aksela, Global characteristics of the atomic spectra and their use for the analysis of spectra. III. Auger spectra, Physica Scripta 52, 639-648 (1995).

3.  S. Kučas, V. Jonauskas, R. Karazija, Global characteristics of the atomic spectra and their use for the analysis of spectra. IV. Configuration interaction effects, Physica Scripta 55, 667-675 (1997).

4.   V. Jonauskas, R. Karazija, S. Kučas, Auger zones and the existence of two groups of levels for complex configurations, J. Phys. B 30, 4861-4875 (1997).

5.  V. Jonauskas, On the possibillity of variation of the fundamental constants, Lith. J. Phys. 38, 491-492 (1998).

6.  V. Jonauskas, R. Karazija, S. Kučas, Theoretical investigation of the Auger and photoion-yield spectra resulting from 3d photoionization or 3d -> 4f excitation of atomic Eu, J. Electr. Spectrosc. 107, 147-154 (2000).

7.  R. Karazija, V. Jonauskas, Investigation of the relativistic equivalent Hamiltonian in the LS coupling scheme, J. Math. Phys. 42, 5642-5651, (2001).

8.  A. Kynienė, R. Karazija, V. Jonauskas, Statistical properties of Auger amplitudes and rates, J. Phys. B122, 181-193 (2002).

9.  V. Jonauskas, R. Karazija, General relations between nonrelativistic and relativistic integrals, J. Math. Phys. 44, 1660 (2003).

10.        V. Jonauskas, S. Kučas, R. Karazija, Global Characteristics of Atomic Spectra and Their Use for the Analysis of  Spectra. V. Relativistic Effects within an Open Shell, Physica Scripta 67, 208 (2003).

11.        V. Jonauskas, L. Partanen, S Kučas, R. Karazija, M. Huttula, S. Aksela and H. Aksela, Auger cascade satellites following the 3d ionization in xenon, J. Phys. B: At. Mol. Opt. Phys. 36, 4403-4416 (2003).

12.        V. Jonauskas, F. P. Keenan, M. E. Foord, R. F. Heeter, S. J. Rose, P. van Hoof, G.J.Ferland, K. M. Aggarwal, R. Kisielius, P. H. Norrington, Relativistic allowed and forbidden transition probabilities for fluorine-like Fe XVIII, Astronomy & Astrophysics 416, 383 (2004).

13.        M.E. Foord, R.F. Heeter, P.A.M. van Hoof, R.S. Thoe, J.E. Bailey, M.E. Cuneo, H.-K. Chung, D.A. Liedahl, K.B. Fournier, G.A. Chandler, V. Jonauskas, R. Kisielius, L.P. Mix, C. Ramsbottom, P.T. Springer, F.P. Keenan, S.J. Rose, and W.H. Goldstein, Charge-state distribution and Doppler effect in an expanding photoionized plasma, Phys. Rev. Letters 93, 055002 (2004).

14.        V. Jonauskas, F.P. Keenan, M.E. Foord, R.F. Heeter, S.J. Rose, G.J. Ferland,  R. Kisielius, P.A.M. van Hoof, and P.H. Norrington, Dirac-Fock energy levels and transition probabilities for oxygen-like Fe xix, Astronomy & Astrophysics 424, 363 (2004).

15.        S.J. Rose, P.A.M. van Hoof, V. Jonauskas, F.P. Keenan,  R. Kisielius, C. Ramsbottom, M.E. Foord, R.F. Heeter, and P.T. Springer, Calculation of photoionized plasmas with an average-atom model, J. Phys. B: At. Mol. Opt. Phys. 37, L337 (2004).

16.        R. Karazija, S. Kučas and V. Jonauskas, Investigation of the cascades in atoms using the global characteristics of spectra, Lith. J. Phys. 44, 183 (2004).

17.        P. Bogdanovich, V. Jonauskas and O. Rancova, Solving quasi-relativistic equations for hydrogen-like ions with account of the finite size of a nucleus, Nucl. Instr. and Meth. B 235, 145 (2005).

18.        S. Kučas, V. Jonauskas and R. Karazija, Calculation of HCI spectra using their global characteristics, Nucl. Instr. and Meth. B 235, 155  (2005).

19.        V. Jonauskas, F.P.Keenan,  R. Kisielius, P.A.M. van Hoof, M. E. Foord, R.F. Heeter, S.J.Rose, G.J.Ferland, and P.H.Norrington, Relativistic analogues of integrals in nonrelativistic R-matrix calculations, J. Phys.B: At. Mol. Opt. Phys.  38, L79 (2005).

20.        V. Jonauskas, P. Bogdanovich, F.P. Keenan, M.E. Foord, R.F. Heeter S.J. Rose, G.J. Ferland,  R. Kisielius, P.A.M. van Hoof, and P.H. Norrington, Energy levels and transition probabilities for nitrogen-like Fe xx, Astronomy & Astrophysics  433, 745 (2005).

21.        M.E. Foord, R.F. Heeter, H.-K. Chung, P.A.M. van Hoof, J.E. Bailey, M.E. Cuneo, D.A. Liedahl, K.B. Fournier, V. Jonauskas, R. Kisielius, C. Ramsbottom, P.T. Springer, F.P. Keenan, S.J. Rose and W.H. Goldstein, Study of X-ray photoionized Fe plasma and comparisons with astrophysical modelling codes, J. Quant. Spectr. Radiative Transfer 99, 712-729 (2006).

22.        V. Jonauskas, P. Bogdanovich, F.P. Keenan, R. Kisielius, M.E. Foord, R.F. Heeter S.J. Rose, G.J. Ferland, and P.H. Norrington, Energy levels and transition probabilities for boron-like Fe XXII, Astronomy & Astrophysics 455, 1157-1160 (2006).

23.        V. Jonauskas, S. Kučas, R. Karazija and P. H. Norrington, Global characteristics of atomic spectra and their use for the analysis of spectra. VI. Transition arrays in the relativistic Dirac-Breit approximation, Physica Scripta 75, 237-244 (2007).

24.        V. Jonauskas, S. Kucas and R. Karazija, On the interpretation of the intensive emission of tungsten ions at about 5 nm, J. Phys. B: At. Mol. Opt. Phys. 40, 2179-2188 (2007).

25.        S. Kučas, V. Jonauskas, R. Karazija and A. Momkauskaite, Intensity enhancement in the emission spectra of Sb, Sn, and W ions due to the mixing of configurations with symmetric exchange of symmetry, Lith. J. Phys., 2007, vol. 47, p. 249.

26.        K. M. Aggarwal, K. Hamada, A. Igarashi, V. Jonauskas, F. P. Keenan, S. Nakazaki, Radiative rates and electron impact excitation rates for H-like Fe XXVI,  Astronomy & Astrophysics 484, 879-885 (2008).

27.        K. M. Aggarwal, K. Hamada, A. Igarashi, V. Jonauskas, F. P. Keenan, S. Nakazaki, Radiative rates and electron impact excitation rates for H-like Ar XVIII,  Astronomy & Astrophysics 487, 383-388 (2008).

28.        V. Jonauskas, R. Karazija and S. Kučas, The essential role of many-electron Auger transitions in the cascades following the photoionization of 3p and 3d shells of Kr, J. Phys. B: At. Mol. Opt. Phys. 41, 215005 (2008).

29.        A. Kynienė, V. Jonauskas, S. Kučas and R. Karazija, On the existence of dipole satellites in the region of M2,3-L2,3 non-dipole emission lines for transition elements, Lith. J. Phys. 48, 219-224 (2008).

30.        S. Kučas, R. Karazija, V. Jonauskas, and A. Momkauskaitė, Interaction of 4p54dN+1 and 4p64dN-14f configurations and its influence on the photoexcitation and emission spectra in the isoelectronic and isonuclear sequences, J. Phys. B: At. Mol. Opt. Phys. 42, 205001 (2009).

31.        V. Jonauskas, S. Kučas and R. Karazija, Electron-impact double ionization of tungsten atoms and ions at low ionization stages, Lith. J. Phys. 49, 415-420 (2009).

32.        V. Jonauskas, R. Kisielius, A. Kynienė, S. Kučas and P. H. Norrington, Magnetic dipole transitions in 4dN configurations of tungsten ions, Phys. Rev. A 81, 012506 (2010).

33.        J. Palaudoux, P. Lablanquie, L. Andric, K. Ito, E. Shigemasa, J.H.D. Eland, V. Jonauskas, S. Kučas, R. Karazija, F. Penent, Multielectron spectroscopy: Auger decays of the krypton 3d hole, Phys. Rev. A 82, 043419 (2010).

34.        Š. Masys, S. Mickevičius, S. Grebinskij, V. Jonauskas, Electronic structure of LaNiO3-x thin films studied by X-ray photoelectron spectroscopy and density functional theory, Phys. Rev. B 82, 165120 (2010).

35.        V. Jonauskas, S. Kučas, R. Karazija, Auger decay of 3p-ionized krypton, Phys. Rev. A 84, 053415 (2011).

36.        V. Jonauskas, G. Gaigalas, S. Kučas, Relativistic calculations for M1-type transitions in 4dN configurations of W29+-W37+ ions, Atomic Data and Nuclear Data Tables, 98, 19-42 (2012).

 

Pranešimai konferencijose:

1.     V. Jonauskas, R. Karazija, S. Kučas, Theoretical investigation of the Auger and photoion spectra produced by photoexcitation of Eu atoms, 6th EPS Conference on Atomic and Molecular Physics, Siena, 1998, Abstracts, p. 1 - 63.

2.     V. Jonauskas, Theoretical description of photoion spectrum produced by 3d ® 4f photoexcitation of Eu atom, Conference on Matter and Beam Interaction, Kaunas, 1999, Abstracts, p. 222 (in Lithuanian).

3.     V. Jonauskas, Synchronous variation of the fundamental constants of physics, EPS – 11: Trends in Physics, London, 1999, Abstracts, p 52.

4.     A. Bernotas, R. Karazija, V. Jonauskas, Additional selection rule for some emission, photoexcitation and Auger spectra, 32nd EGAS, Vilnius, 2000, Abstracts, p. 55-56.

5.     V. Jonauskas, R. Karazija, On the relativistic equivalent Hamiltonian in the LS coupling, The Seventh European Conference on Atomic and Molecular Physics (ECAMP VII), Berlin, 2001, Abstracts, p. 90.

6.     V. Jonauskas, A. Kynienė, R. Karazija, Statistical properties of Auger spectra, The Seventh European Conference on Atomic and Molecular Physics (ECAMP VII),  Berlin, 2001, Abstracts, p. 90.

7.     V. Jonauskas, R. Karazija, Equivalent relativistic operator and general relations between the relativistic and nonrelativistic radial integrals, European Research Conference: Relativistic Effects in Heavy Element Chemistry and Physics, Kerkrade, The Netherlands, 2001, Abstracts, p. 56.

8.     V. Jonauskas, R. Karazija, Description of an atom in the relativistic approximation using LS coupling , 34-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius 2001, p. 226.

9.     A. Kynienė, V. Jonauskas, R. Karazija, Statistical Investigation of Auger spectra, 34-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius 2001, p. 35.

10. V. Jonauskas, F. P. Keenan , R. Kisielius, S. J. Rosey , M. E. Foord, R. F. Heeter, G. J. Ferland, Effects of relativistic analogues of integrals on effective collision strengths, XXIV International Conference on Photonic, Electronic and Atomic Collisions, Rosario, Argentina, 2005, Abstracts, p. Fr067.

11. P.Bogdanovičius, V.Jonauskas, F.P.Keenan. Fe XXII spektrinių charakteristikų teorinis tyrimas skirtinguose artiniuose. 36-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2005 m. birželio 16-18 d.), 208 (2005).

12. A.Kynienė, S.Kučas, V.Jonauskas, Elektrinių dipolinių ir kvadrupolinių šuolių intensyvumo santykis geležies grupės elementuose, 36-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius 2007, p. 201.

13. R. Karazija, S. Kučas, V. Jonauskas, A. Momkauskaitė. Jonų emisija siaurame dažnių intervale kaip spinduliuotės šaltinis EUV litografijoje ir tokamake. 37-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2007 m. birželio 11-13 d.), p. 14.

14. V. Jonauskas, R. Karazija, S. Kučas, The essential role of many-electron Auger transitions in the cascades following photoionization of 3p and 3d shells of Kr. International Conference on Many particle spectroscopy of atoms, molecules, clusters and surfaces, Paris 30 June – 2 July, 2008.

15. Š. Masys, V. Jonauskas, S. Mickevičius. Theoretical investigation of LaNiO3 crystals electronic structure using density functional theory approach, 38-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2009 m. birželio 8-10 d.), p. 68 (2009).

16. V. Jonauskas, R. Kisielius. Relativistic electron impact excitation calculation for W45+ ion, 38-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2009 m. birželio 8-10 d.), p. 195 (2009).

17. V. Jonauskas, G. Gaigalas, S. Kučas. Theoretical study of magnetic dipole transitions in 4dN configurations of tungsten, 38-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2009 m. birželio 8-10 d.), p. 196 (2009).

18. R. Kisielius, V. Jonauskas, S. Kučas, A.Kynienė. Collisional-radiative modelling of the M1 line intensities of tungsten ions, 38-oji Lietuvos nacionalinė fizikos konferencija, Programa ir pranešimų tezės, Vilnius (2009 m. birželio 8-10 d.), p. 196 (2009).

19. Š. Masys, V. Jonauskas, S. Mickevičius, S. Grebinskij. Electronic structure of LaNiO3-x thin films: X-ray photoelectron spectroscopy and theoretical study. 3rd International Conference on Radiation Interaction with Material and Its Use in Technologies, Kaunas, Lithuania, 20-23 September 2010. Program and Materials, p. 129.

20. R. Kisielius, V. Jonauskas, Š. Masys. Collision data calculation for highly-charged open n=4 shell tungsten ions using analogues of relativistic integrals. 7th International Conference on Atomic and Molecular Data and Their Applications, Vilnius, Lithuania, 21-24 September 2010. Book of Abstracts, p. 104.
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