Reviewed in the Habilitiation Work
1.
C. Froese Fischer and Gediminas Gaigalas. The electron affinity of 2s2p 2 4 P in boron // J. Phys. B: Atomic,
Molecular and Optical Physics. ISSN 0953-4075. IOP Publishing Ltd, 1996, Vol. 29, p. 1169-1173.
2.
Gediminas Gaigalas and Zenonas Rudzikas. On the Second quantized theory of many-electron atom // J. Phys. B:
Atomic, Molecular and Optical Physics. ISSN 0953-4075. IOP Publishing Ltd, 1996, Vol. 29, p. 3303-3318.
3.
Gediminas Gaigalas and C. Froese Fischer. Extension of the HF program to partially filled f-subshells // Compiuter
Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 1996, Vol. 98, p. 255-264.
4.
Marius-J. Vilkas, Indrek Martinson, Gintaras Merkelis, Gediminas Gaigalas and Romas Kisielius. Second-order
MBPT results for the carbon isoelectronic sequence // Physica Scripta. ISSN 0031-8949. Royal Swedish Academy of Sciences, 1996, Vol. 54, 281-299.
5.
C. Froese Fischer, Gediminas Gaigalas and Michel Godefroid. The 2s 2 1 S
0
– 2s3p 3 P
1
0 intercombination line in the
Be-like sequence // J. Phys. B: Atomic, Molecular and Optical Physics. ISSN 0953-4075. IOP Publishing Ltd, 1997,
Vol. 30, p. 3333-3342.
6.
Gediminas Gaigalas, Zenonas Rudzikas and C. Froese Fischer. An efficient approach for spin-angular integrations in atomic structure calculations // J. Phys. B: Atomic, Molecular and Optical Physics. ISSN 0953-4075. IOP
Publishing Ltd, 1997, Vol. 30, p. 3747-3771.
7.
C. Froese Fischer and Gediminas Gaigalas. Note on the 2s 2 1 S
0
2s2p 3 P
1
intercombination line of BII and CIII //
Physica Scripta. ISSN 0031-8949. Royal Swedish Academy of Sciences, 1997, Vol. 56, p. 436-438.
8.
Gintaras Merkelis, Marius-J. Vilkas, Romas Kisielius, Gediminas Gaigalas and Indrek Martinson. Electric dipole transitions in ions of the NI isoelectronic sequence // Physica Scripta. ISSN 0031-8949. Royal Swedish Academy of
Sciences, 1997, Vol. 56, p. 41-55.
9.
Pavel Bogdanovich, Gediminas Gaigalas, Alina Momkauskaitė and Zenonas Rudzikas. Accounting for admixed configurations in the second order of perturbation theory for complex atoms // Physica Scripta. ISSN 0031-8949.
Royal Swedish Academy of Sciences, 1997, Vol. 56, p. 230-239.
10.
Gediminas Gaigalas, Andrius Bernotas, Zenonas Rudzikas and C. Froese Fischer. Spin-other-orbit operator in the tensorial form of second quantization // Physica Scripta. ISSN 0031-8949. Royal Swedish Academy of Sciences,
1998, Vol. 57, p. 207-212.
11.
Gediminas Gaigalas, Zenonas Rudzikas and C. Froese Fischer. Reduced coefficients (subcoefficients) of fractional parentage for p, d and f shells // Atomic Data and Nuclear Data Tables. ISSN 0092-640x. Academic press, 1998,
Vol. 70, p. 1-39.
12.
C. Froese Fischer, Mikhail Saparov, Gediminas Gaigalas and Michel Godefroid. Breit-Pauli energies, transition probabilities and lifetimes for 2s, 2p, 3s, 3p, 3d, 4s 2 L levels of the lithum sequence, Z=3-8 // Atomic Data and
Nuclear Data Tables. ISSN 0092-640x. Academic press, 1998, Vol. 70, p. 119-134.
13.
Gediminas Gaigalas, Rasa Karpuškienė and Zenonas Rudzikas. Optimal classification of HCI spectra // Physica
Scripta T80B. ISSN 0031-8949. Royal Swedish Academy of Sciences, 1999, p. 472-473.
14.
Stephan Fritzscher, Chenzhong Dong and Gediminas Gaigalas. Theoretical wavelengths and transition probabilities for 3d 9 -3d 8 4p and 3d 8 4s-3d 8 4p transition arrays in NiII // Atomic Data and Nuclear Data Tables. ISSN 0092-640x.
Academic press, 2000, Vol. 76, p. 155-175.
15.
Gediminas Gaigalas, Stephan Fritzsche and Zenonas Rudzikas. Reduced coefficients of fractional parentage and matrix elements of the tensor W (kqkj) in jj -coupling // Atomic Data and Nuclear Data Tables. ISSN 0092-640x.
Academic press, 2000, Vol. 76, p. 235-269.
16.
P. Bogdanovich, Aušra Kynienė, Romas Karazija, Rasa Karpuškienė and Gediminas Gaigalas. Additional symmetry for the electron shell in its ground state and many-electron effects // The European Physical Journal D. Springer-
Verlag. 2000, Vol. 11, p. 175-183.
17.
Gediminas Gaigalas and Stephan Fritzsche. Calculation of reduced coefficients and matrix elements in jj -coupling //
Compiuter Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001, Vol. 134, p. 86-96.
18.
Gediminas Gaigalas, Stephan Fritzsche and Burkhard Fricke. Maple procedures for the coupling of angular momentum. III. Standard quantities for evaluating many-particle matrix elements // Compiuter Physics
Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001, Vol. 135, p. 219-237.

19.
Gediminas Gaigalas, Stephan Fritzshe and Ian P. Grant. Program to calculate pure angular momentum coefficients in jj -coupling // Compiuter Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001,
Vol. 139, p. 139-157.
Not Reviewed in the Habilitation Work
20.
Chenzhong Dong, Stephan Fritzsche, Gediminas Gaigalas, T. Jacob and J. E. Sienkiewicz. Theoretical Level
Structure and Decay Dynamics of Nickel-like Ions: Search for Laser Lines in The Soft X-ray Domain // Physica
Scripta T92. ISSN 0031-8949. Royal Swedish Academy of Sciences, 2001, p. 314-316.
Reviewed in the Habilitation Work
1.
Gediminas Gaigalas and Zenonas Rudzikas. Secondly quantized multi-configurational approach for atomic databases // NIST Secial publication 626, 1998, p. 128-131.
2.
Pavel Bogdanovich, Gediminas Gaigalas and Zenonas Rudzikas. Efficient method to account for correlation effects when generating atomic parameters // NIST Secial publication 626, 1998, p. 109-112.
3.
Michel Godefroid, C. Froese Fischer, Gediminas Gaigalas, Mikhail Saparov and Per Jonsson. MCHF and
MCHF+BP atomic properties of lithum-like ions // Abstracts of Contributed oral papers and poster papers from the
Sixth International Colloquium on Atomic Spectera and Oscillator Srengths for Astrophysical and Laboratory
Plasmas.University of Vistoria press, 1998, p. 70-73.
Reviewed in the Habilitation Work
1.
Pavel Bogdanovič, Gediminas Gaigalas and Alina Momkauskaitė. Accounting for correlations to interconfigurational matrix elements // Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 1998, Vol. 38, p.
443-451.
2.
Gediminas Gaigalas. Integration over spin-angular variables in atomic physics // Lithuanian Journal of Physics.
ISSN 1392-1932. FISICA, 1999, Vol. 39, p. 79-105.
3.
Algirdas Audzijonis, Andrius Krikščiūnas, Gediminas Gaigalas and Valentinas Lazauskas. Ab initio investigation of
SbSI crystal normal modes // Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 1999, Vol. 39, p. 219-225.
4.
Pavel Bogdanovič, Aušra Kynienė, Romas Karazija, Rasa Karpuškienė and Gediminas Gaigalas. On the validity of the symmetry with respect to a quarter of the shell taking into account the configuration mixing effects for the binding energy of electron // Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 1999, Vol. 39, p. 507-510.
5.
Gediminas Gaigalas. Some new simplifications for the general form of the orbit-orbit interaction operator //
Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 2000, Vol. 40, p. 395-405.
6.
Algirdas Audzijonis, Andrius Krikščiūnas, R. Bakanas, Valentinas Lazauskas and Gediminas Gaigalas. Theoretical investigation of anharmonicity of the SbSI crystal soft mode // Lithuanian Journal of Physics. ISSN 1392-1932.
FISICA, 2000, Vol. 40, p. 55-57.
7.
Gediminas Gaigalas. The programs‘ library for calculating standard quantities in atomic structure theory //
Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 2001, Vol. 41, p. 39-54.
8.
V. Lazauskas, Gediminas Gaigalas and Algirdas Audzijonis. Theoretical investigation of multipole momentum and polarizabilities of SbSI and SbSBr crystals // Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 2001, Vol.
41, p. 159-162.
Not Reviewed in the Habilitation Work
9.
Gediminas Gaigalas, Tomas Žalandauskas and Zenonas Rudzikas. Analytical expressions for special cases of LS-jj transformation matrices for a shell of equivalent electrons // Lithuanian Journal of Physics. ISSN 1392-1932.
FISICA, 2001, Vol. 41, p. 226-231.
10.
Gediminas Gaigalas, Zenonas Rudzikas and Tomas Žalandauskas. Studies of Er ionization energy. // Lithuanian
Journal of Physics. ISSN 1392-1932. FISICA, 2001, Vol. 41, p. 195-199.

Reviewed in the Habilitation Work
1.
Gediminas Gaigalas and C. Froese Fischer. Extension of the HF program to partially filled f -subshells // Compiuter
Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 1996, Vol. 98, p. 255-264.
2.
Gediminas Gaigalas and C. Froese Fischer. The GBREIT Program for Partially Filled fsubshells, XXIX EGAS
Conference, Berlin, Germany, 15-18 July 1997 (Editor: H.-D. Kronfeldt).
3.
Gediminas Gaigalas and Stephan Fritzsche. Calculation of reduced coefficients and matrix elements in jj -coupling //
Compiuter Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001, Vol. 134, p. 86-96.
4.
Gediminas Gaigalas, Stephan Fritzsche and Burkhard Fricke. Maple procedures for the coupling of angular momentum. III. Standard quantities for evaluating many-particle matrix elements // Compiuter Physics
Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001, Vol. 135, p. 219-237.
5.
Gediminas Gaigalas, Stephan Fritzshe and Ian P. Grant. Program to calculate pure angular momentum coefficients in jj-coupling // Compiuter Physics Communications. ISSN 0010-4655. Elsevier Science Publishers B.V., 2001, Vol.
139, p. 139-157.
6.
Gediminas Gaigalas. The programs‘ library for calculating standard quantities in atomic structure theory //
Lithuanian Journal of Physics. ISSN 1392-1932. FISICA, 2001, Vol. 41, p. 39-54.
Not Reviewed in the Habilitation Work
1.
Algirdas Audzijonis, Gediminas Gaigalas and V. Lazauskas. Ab Initio Investigation of SbSI Crystals Normal Modes
// Spinduliuotės ir medžiagos sąveika, Kaunas, 1999, p. 148-151.
2.
Algirdas Audzijonis, Leonas Žigas, Valentinas Lazauskas and Gediminas Gaigalas. The Investigation of the
Vibrating Spectrum of SbSBr Chain Followed by Ab initio Method // Taikomoji Fizika, Kaunas 2000, p. 143-146.
3.
Valentinas Lazauskas, Gediminas Gaigalas and Algirdas Audzijonis. The Theoretical Investigation of the Multipole
Moments in SbSI Crystals // Spinduliuotės sąveika su medžiaga ir jos naudojimas technologojoje, Kaunas, 2001, p.
184-187.
4.
Algirdas Audzijonis, Gediminas Gaigalas, Leonas Žigas, Adolfas Gaigalas, J. Siroicas and A. Pauliukas. The
Investigation of the Vibration Spectrum of SbSI Chain Followed by Ab initio Method // Spinduliuotės sąveika su medžiaga ir jos naudojimas technologojoje, Kaunas, 2001, p. 188-191.
Reviewed in the Habilitation Work
1.
Gediminas Gaigalas, Andrius Bernotas and Zenonas Rudzikas. Relativistic Corrections to Atomic Electron
Interactions in Second Quantization. Irreducible Tensorial Form of Spin-Other-Orbit Interaction Operator, XXVIII
EGAS Conference, Graz, Austria, (Editor: R. Pick).
2.
Pavel Bogdanovich, Gediminas Gaigalas, A. Momkauskaitė and Zenonas Rudzikas. Method of Simplified
Accounting for Admixed Configurations, XXVIII EGAS Conference, Graz, Austria, (Editor: R. Pick).
3.
Gediminas Gaigalas, Andrius Bernotas and Zenonas Rudzikas. Further Development of Efficient Spin-Angular
Integration Methods: Applications to Full Spin-Orbit Interaction, Second Europhysics Study Conference on Photon and Electron Collisions with Atomic and Molecules, Belfast, UK, 23-26 July 1996.
4.
Zenonas Rudzikas, Pavel Bogdanovich, Gediminas Gaigalas and Alina Momkauskaitė. Simplified Accounting for
Admixed Configurations, Eigth International Conference on the Physics of Highly Charged Ions, Omiya, Saitama,
Japan, September 12-26 1996.
5.
Gediminas Gaigalas and Zenonas Rudzikas. Reduced Coefficients of Fractional Parentage for fshells, XXIX EGAS
Conference, Berlin, Germany, 15-18 July 1997 (Editor: H.-D. Kronfeldt).
6.
Gediminas Gaigalas and Froese Fischer. The GBREIT Program for Partially Filled fsubshells, XXIX EGAS
Conference, Berlin, Germany, 15-18 July 1997 (Editor: H.-D. Kronfeldt).
7.
Gediminas Gaigalas and Zenonas Rudzikas. Secondly Quantized Multi-Configurational Appeoach for Atomic
Databases, International Conference on Atomic and Molecular Data and Their Applications, Gaithersburg, MD,
USA, September 29 – October 2 1997.
8.
Pavel Bogdanovich, Gediminas Gaigalas and Zenonas Rudzikas. Efficient Method to Account for Correlation
Effects when Generating Atomic Parameters for Complex Configurations, International Conference on Atomic and
Molecular Data and Their Applications, Gaithersburg, MD, USA, September 29 – October 2 1997.

9.
Zenonas Rudzikas, Gediminas Gaigalas and Rasa Karpuškienė. Parentage and Quasispin in Many-Electron Atom.
6 th EPS Conference on Atomic and Molecular Physics, Siena, Italy, 17-18 July 1998 (Editors: C. Biancalana, P.
Bicchi, E. Mariotti).
10.
Michel Godefroid, C. Froese Fischer, Gediminas Gaigalas, Mikhail Saparov and Per Jonsson. MCHF and
MCHF+BP Atomic Properties of Lithum-Like Ions, 6 th International Colloquium on Atomic Spectra and Oscillator
Strengths, Victoria, Canada, August 9-13 1998.
11.
Gediminas Gaigalas, Rasa Karpuškienė and Zenonas Rudzikas. Optimal Classification of HCI Spectra, IX
International Conference on the Physics of Highly Charged Ions, Bensheim, Germany, September 9-14 1998.
12.
Gediminas Gaigalas, C. Froese Fischer, Michel Godefroid and Zenonas Rudzikas. Studies of Gd Ionization Energy,
XXXI EGAS Conference, Marseille, France 6-9 July 1999 (Editor: F. Vedel).
13.
Stephan Fritzsche, Chenzhong Dong, Burkhard Fricke und Gediminas Gaigalas. Ab-initio Rechungen zum
Ionisationspotential und Anregungsspektrum von Atomarem Fermium (Z=100), Deutschen Physikalischen
Gesellschaft, Bonn, Germany, 3-7 April 2000.
14.
Gediminas Gaigalas and Stephan Fritzsche. A New Approach to Calculate Angular Momentum Coefficients in jjcoupling, Deutschen Physikalischen Gesellschaft, Bonn, Germany, 3-7 April 2000.
15.
Gediminas Gaigalas, Stephan Fritzsche and Zenonas Rudzikas. Subcoefficients of Fractional Parentage for
Relativistic Calculations of Atomic Data, International Conference on Atomic and Molecular Data and Their
Applications, Oxford, UK, 26-30 March 2000.
16.
Gediminas Gaigalas, Stephan Fritzsche and Zenonas Rudzikas. Atomic Structure Studies Accounting for Quasispin
Space, ICAP XVII International Conference on Atomic Physics, Florence, Italy, 4-9 2000.
17.
Gediminas Gaigalas, Stephan Fritzsche and Zenonas Rudzikas. A Quasispin Space Approach to Atomic Structure
Studies, XXXII EGAS Conference, Vilnius, Lithuania, 4-7 July 2000 (Editor: Z. Rudzikas).
18.
Stephan Fritzsche, Chenzhong Dong, Burkhard Fricke and Gediminas Gaigalas. Ab-Initio Studies on the Low-Lying
Level Structure of Atomic Fermium, XXXII EGAS Conference, Vilnius, Lithuania, 4-7 July 2000 (Editor: Z.
Rudzikas).
Not Reviewed in the Habilitation Work
19.
Zenonas Rudzikas, Gediminas Gaigalas and Tomas Žalandauskas. Properties of a Shell of Equivalent Electrons with
Respect to the Transposition of the Spin and Quasispin Quantum Numbers, XXXII EGAS Conference, Vilnius,
Lithuania, 4-7 July 2000 (Editor: Z. Rudzikas).
20.
Stephan Fritzsche, Chenzhong Dong, Gediminas Gaigalas and J.E. Sienkiewicz. Theoretical Level Structure and
Decay Dynamics of Nickel-like Ions: Search for Laser Lines in the Soft X-ray Domain, The Tenth International
Conference on the Physics of Highly Charged Ions, California, USA, July 30 – August 3 2000.
21.
Stephan Fritzsche and Gediminas Gaigalas, A relativistic tool for studying the structure and propertirs of open-shell atoms, The Sveventh European Conference on Atomic and Molecular Physics, Berlin, 2-6 April 2001 (Editors: H.
Rottke, U. Eichmann, W. Sandner).
22.
Gediminas Gaigalas and Stephan Fritzsche, LSJ Spectroscopic Notations from Relativistic Calculations, The
Sveventh European Conference on Atomic and Molecular Physics, Berlin, 2-6 April 2001 (Editors: H. Rottke, U.
Eichmann, W. Sandner).
23.
Tomas Zalandauskas, Gediminas Gaigalas and Zenonas Rudzikas, jj-LS transformation matrices for complex atoms,
The Sveventh European Conference on Atomic and Molecular Physics, Berlin, 2-6 April 2001 (Editors: H. Rottke,
U. Eichmann, W. Sandner).
Not Reviewed in the Habilitation Work
1.
Pavel Bogdanovičius, Gediminas Gaigalas, Alina Momkauskaitė and Zenonas Rudzikas. Atsižvelgimas į pataisines konfigūracijas antruoju trikdžių teorijos artėjimu atomo energijos spektruose, 31-oji Lietuvis nacionalinė fizikos konferencija, 1996m. vasario 5-7d. Vilnius.
2.
Algirdas Audzijonis, Antanas Krikščiūnas, R. Bakanas, Valentinas Lazauskas and Gediminas Gaigalas. The
Theoretical Investigation of the Vibrational Soft Mode Anharmonicity in SbSI Crystals, 33-oji Lietuvos nacionalinė fizikos konferencija, 1999m. rugsėjo 16-18d. Vilnius.
3.
Valentinas Lazauskas, Gediminas Gaigalas and Algirdas Audzijonis, The Theoretical Investigationof the Multipol
Moments in SbSI Crystals, Spinduliuotės sąveika su medžiaga ir jos naudojimas technologijoje, Kaunas, 2001.
4.
Algirdas Audzijonis, Gediminas Gaigalas, Leonas Žigas, Adolfas Gaigalas, J. Siroicas and A. Pauliukas, The
Investigation of the Vibration Spectrum of SbSI Chain Followed by Ab initio Method, Spinduliuotės sąveika su medžiaga ir jos naudojimas technologijoje, Kaunas, 2001.
5.
Valentinas Lazauskas, Gediminas Gaigalas and Algirdas Audzijonis, Theoretical Investigation of Multipole
Momentum and Polarizabilities of SbSI and SbSBr Crystals, 34-oji Lietuvos nacionalinmė fizikos konferencija,
2001m. birželio 14-16d. Vilnius.

6.
Gediminas Gaigalas, Zenonas Rudzikas and Tomas Žalandauskas, Studies of Er Ionazation Energy, 34-oji Lietuvos nacionalinmė fizikos konferencija, 2001m. birželio 14-16d. Vilnius.
7.
Gediminas Gagalas, Tomas Žalandauskas, Šarūnas Tankeliavičius, Analytical Expressions for Special Cases of jj-LS
Transformation Matrices for a Shell of Equivalent Electrons, 34-oji Lietuvos nacionalinmė fizikos konferencija,
2001m. birželio 14-16d. Vilnius.