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Union of the Physicists in Bulgaria
Memoirs

Created 17.9.2016
Updated 29.11.2016

Biography
Rossen Ljubenov Pavlov
(08.01.1947 09.09.2016)

Born  in Sofia.

Education  He graduated nuclear physics at the Sofia University (1974)

    Dr. Rossen Pavlo was PhD student in the Curie University (1999).

Research:

    He studied many fractional systems by the method of coordinate generator in the Laboratory of Nuclear Theory (1983)

    He participated in a Flemish project called "Many electrons systems and their interactions with electromagnet fields"

Professional experience

    He was appointed by the BAS Institute of Physeology (from January to May 1975)

    His worked in the Central Laboratory of Biophysics, BAS (from May 1975 to May 1978)

    Rossen Palvov obtained assistan position in May 1978 and II degree research in December 1981

    He transfered to the BAS Institute of Nuclear Research and Nuclear Energy in November 1983.

    He organised the Conference "Quantum Systems in Chemistry, Physics and Bilogy"

    Dr. Rossen Pavlov was a Board member of the Centre de Mecanique Ondulatoire Applique (CMOA) in Paris.

Reports

  1. He made scientific report in Prague (1994)

  2. Paris (1995)

  3. Pisa (1996)

  4. Oxford (1997)

  5. Granada (1998).

Publication

  1. R. Pavlov, J. Vassileva-Popova, I. Mechev, Modified Huckel LCAO-MO Method for Organic Molecule Analysis with an Electronic Computer and its Application for the Methil Radical Investigation, in: Bioph. and Bioch. Inform. Transfer in Recognition, Ed. E. Jensen, New York-London, Plenum-Press (1978) 49-55

  2. I. Mechev, J. Vassileva-Popova, R. Pavlov, Investigation of Lidol Melatonine, Serotonine, Heteroauxine and Triptophane by Modified Huckel LCAO-MO Method, in: Bioph. and Bioch. Inform. Transfer in Recognition, Ed. E. Jensen, New York-London, Plenum-Press (1978) 57-72

  3. J. Vassileva-Popova, B. Tomov, R. Pavlov and I. Mechev, Could the Receptors Recognizte the Quantum Mechanical Level Parameters, in: Bioph. and Bioch. Inform. Transfer in Recognition, Ed. E. Jensen, New York-London, Plenum-Press (1978) 73-96

  4. J. Vassileva-Popova, N. Vassilev, I. Iliev, B. Tomov, R. Pavlov, I. Zlatanov, An Attempt at Investigation the Possible Correlation Between some Geophysical and Astronomical Parameters and Some Processes of Bioregulation, in: Bioph. and Bioch. Inform. Transfer in Recognition, Ed. E. Jensen, New-York-London, Plenum-Press (1978) 483-496

  5. J. Vassileva-Popova, R. Pavlov, I. Mechev, I. Mladenov, D. Tasseva, A quantum mechanical study on hormonal steroids, Journal of Steroid Biochemistry, Volume 9, Issue 9 (1978) 815

  6. J. Vassileva-Popova, R. Pavlov, I. Mechev, I. Mladenov, D. Tasseva, A quantum mechanical study on hormonal steroids, Journal of Steroid Biochemistry, Volume 9, Issue 9 (1978) 815

  7. Ya. Delchev, R. Pavlov, I. Petkov, Ch. Velchev: A Study of the Kinetic Energy Functional for Atoms, IC (90) 300, ICTP, Trieste . 25

  8. Ya. Delchev, R. Pavlov, Ch. Velchev: An Energy Density Functional for Atoms: Spin Approach, Compt. Rand. Bulg. Acad. Sci. 44, 11 (1991) 25-28

  9. R. Pavlov, Ya. Delchev: Taking into Account the Non-Ortogonality of Atomic Orbitals for Heteroatomic Molecules in Huckel Method by a Self-Consistent Procedure, Compt. Rand. Bulg. Acad. Sci. 44, 11 (1991) 29

  10. R. Pavlov, Ya. Delchev, K. Pavlova et J. Maruani: Theorie de la fonctionnelle de la densite avec spin. I. Fonctions et matrices densite reduites, C. R. Acad. Sci. Paris, t. 315, serie II (1992) 1315-1318

  11. R. Pavlov, Ya. Delchev, K. Pavlova et J. Maruani: Theorie de la fonctionnelle de la densite avec spin. II. Densites de charge et de spin, C. R. Acad. Sci. Paris, t. 316, serie II (1993) 1051-1054

  12. R. Pavlov, Ya. Delchev, K. Pavlova et J. Maruani: Theorie de la fonctionnelle de la densite avec spin. III. Densites de distribution et de correlation de multiplicites de spin, C. R. Acad. Sci. Paris, t. 316, serie II (1993) 1219-1222

  13. R. Pavlov, Ya. Delchev, K. Pavlova et J. Maruani: Theorie de la fonctionnelle de la densite avec spin. IV. Valeurs moyennes d'operateurs pour des multiplicites de spin, C. R. Acad. Sci. Paris, t. 317, serie II (1993) 1549-1554

  14. R. Pavlov, Ya. Delchev, K. Pavlova and J. Maruani: Spin heory of the Density Functional. Reduced Density Fonctions and Matrices, Proc. Bulg. Acad. Sci., 46-2 (1993) 49-52

  15. R. Pavlov, Ya. Delchev, K. Pavlova and J. Maruani: Spin Theory of the Density Functional. Charge and Spin Densities.Electron Correlations, Proc. Bulg. Acad. Sci. 46-5 (1993) 63-66

  16. Ya. Delchev, L. Marinova, J. Maruani, et R. Pavlov: Etudes par une fonctionnelle de la densite semi-classique de l'energie de liaison Hartree-Fock dans les atomes. I. La fonctionnelle energie et la fonction densite, C. R. Acad. Sci. Paris, t. 319, Serie II (1994) 181-186

  17. Ya. Delchev, J. Maruani, R. Pavlov and K. Pavlova: Etudes par une fonctionnelle de la densite semi-classique de l'energie de liaison Hartree-Fock dans les atomes. II. Une evolation des oscillations de la structure en couches, C. R Acad. Sci. Paris, t. 319, Serie II (1994) 277-281

  18. Ya. Delchev, R. Pavlov, K. Pavlova, L. Marinova, J. Maruani: A Semi-classical Density-Functional Splitting of the Hartree-Foch Binding Energy in Atoms: I. An Investigation of the Smoothly Varying Part, C. R. Bul. Acad. Sci., t. 47, s. 12 (1994) 53-56

  19. Ya. Delchev, R. Pavlov, K. Pavlova, L. Marinova and J. Maruani: A Semi-Classical Density-Functional Evaluation of the Smoothly Varying part of the Hartree-Fock Binding Energy in Atoms, Int. J. Quant. Chem., 52 (1994) 1349-1368

  20. Ya. Delchev, R. Pavlov, K. Pavlova, L. Marinova, J. Maruani: A Semi-Classical Density-Functional Splitting of the Hartree-Foch Binding Energy in Atoms: II. Evaluation of the Shell-Structure Effects, C. R. Bul. Acad. Sci. 48 1 (1995) 33-36

  21. R. Pavlov, J. Maruani, Ya. Delchev and F. Zakhariev: Theorie de la fonctionnelle de la densite avec spin. V. La fonctionnelle energie pour des multiplicites de spin: symetries du systeme; energie cinetique, C. R. Acad. Sci. Paris, II 320 (1995) 259-264

  22. R. Pavlov, J. Maruani, Ya. Delchev and F. Zakhariev: Theorie de la fonctionnelle de la densite avec spin. VI. La fonctionnelle energie pour des multiplicites de spin: energie potentielle; fonctionnelle totale, C. R. Acad. Sci. Paris, II 320 (1995) 303-308

  23. R. Pavlov, J. Maruani, Ya. Delchev and L. Georgiev: Theorie de la fonctionnelle de la densite avec spin. VII. Equation d'Euler-Lagrange pour ?(r) C. R. Acad. Sci. Paris, II 321 (1995) 371-376

  24. R. Pavlov, J. Maruani, Ya. Delchev and A. Kuleff: Theorie de la fonctionnelle de la densite avec spin. VIII. Equation d'Euler -Lagrange pour f(r) C. R. Acad. Sci. Paris, 325, Ser.IIb (1997) 719-726

  25. R. Pavlov, J. Maruani, Ya. Delchev and R. McWeeny: Density Functional Theory for Open-Shell Systems using a Local-Scaling Transformation Scheme. I. Single-Density Energy Functional, Int. J. Quant. Chem., 65 (1997) 241-256

  26. R. Pavlov, F. Zakhariev, Ya. Delchev and J. Maruani: Density Functional Theory for Open-Shell Systems Using a Local-Scaling Transformation Sheme. II. Euler-Lagrange Equation for f(r) versus that for ?(r) Int. J. Quant. Chem., 65 (1997) 257-268

  27. L. Georgiev, Ya. Delchev, R. Pavlov and J. Maruani, Core-Valence Separation for an Open-Shell Atom in LST-DFT, in Quantum Systems in Chemistry and Physics, R. McWeeny et al. (eds.) Kluwer Acad. Publ. - Netherlands (1997) 309-321

  28. L. Georgiev, Ya. Delchev, R. Pavlov and J. Maruani: Local-Scaling Transformation in the Effective-Core Approximation for an Open-Shell Atom, J. Molec. Struct. (Theochem) 433 (1998) 35-42

  29. Ya. Delchev, A. Kuleff, J. Maruani and R. Pavlov, A Consistent Calculation of Atomic Energy Shell Corrections: Strutinskys Method in the Hartree-Fock-Roothaan Scheme, Adv. Quant. Chem. 31 (1998) 53-74

  30. Ya. Delchev, A. Kuleff, P. Yotov, J. Maruani and R. Pavlov: Orbital Local-Scaling Transformation Approach: Fermionic Systems in the Ground State, Kluwer Acad. Publ., Eds. J. Maruani et al., New trends in Quantum Systems in Chemistry and Physics 1 (2001) 45-61

  31. R. Pavlov, A. Kuleff, P. Yotov, J. Maruani and Ya. Delchev: Reduced Density-Matrix Treatment of Spin-Orbit Interaction Terms in Many-Electron Systems, Progr. Theor. Chem. & Phys. B6 (2001) 63-74

  32. R. Pavlov, A. Kuleff, P. Yotov and J. Maruani: Reduced Density-Matrix Treatment of Spin-Spin Interaction Terms in Many-Electron Systems, Adv. Quantum Chem. 39 (2001) 295-305

  33. Ya. Delchev, A. Kuleff, P. Yotov, J. Maruani and R. Pavlov: Orbital Local-Scaling Transformation Approach: Fermionic Systems in the Ground States, Progr. Theor. Chem. & Phys. B6 (2001) 45-61

  34. R. Pavlov, R. McWeeny, P. Raychev, A. Kuleff and M. Dimitrova-Ivanovich: Electron-Nuclear Spin-Spin and Contact Interactions for Exited and Degenerate States in the Density Matrix Methods, Proc. of the Twentieth International Workshop on Nuclear Theory, 11-16 June, 2001, Rila, Bulgaria, Notre Dame, Indiana, (2001) 183-190

  35. R. Pavlov, P. Raychev, M. Dimitrova-Ivanovich and C. Valdemoro: Hyperfine Interactions of the Nuclear Spin with Electron Systems in the Density Matrix Methods, Journ. Phys. Studies, 5 N3/4 (2001) 246-254

  36. L. Pavlov, S. Pavlova, R. Pavlov, Ya. Delchev: Time-Resolved Photoelectron Spectrometry of a Dephasing Process in Pyrazine, Journ. Phys. Studies, 5 N3 (2001) 255

  37. R. L. Pavlov, L. I. Pavlov, P. P. Raychev, V. P. Garistov and M. Dimitrova-Ivanovich: Hyperfine Electron-Nuclear Interactions in the Frame of the Density Functional and of the Density Matrix Method, in The Proceedings of the Twenty First International Workshop on Nuclear Theory, 1-14 June 2002, ed. by V. Nikolaev, Heron Press, Sofia (2002) p. 358

  38. R. Pavlov, P. Raychev, V. Garistov, M. Dimitrova-Ivanovich and J. Maruani: Nuclear Moments and Electron Density Functionals in Atoms, Int. Journ. Quant. Chem. 99 (2004) 308-316

  39. L. M. Kovachev, N. I. Kaymakanova, D. Y. Dakova, L. I. Pavlov, R. A. Roussev, S. G. Donev, R. L. Pavlov, Three-Dimensional Solutions in Media with Spatial Dependence of Nonlinear Refractive Index, Journal of Physical Studies 8 (2004) 1-4

  40. R. Pavlov, J. Maruani, L. Mihailov, Ch. Velchev, L. Pavlov, M. Dimitrova-Ivanovich and V. Nesterenko, Effects Induced by Nuclear Motion and by Nuclear Structure on the Ground State Energies of 1s-Helium Isoelectronic Series, ed. S. Dimitrova, Proc. XXV International Workshop on Nuclear Theory (2006) 335-347

  41. L. Pavlov, L. Kovachev, D. Dakova, S. Naboko, D. Stoimenova, R. Pavlov, S. Pavlova, I. Tabanliyski, S. Penchev , Effect of parametric processes on the stimulated Raman scattering in fibers, Proceedings of Society Photo-Optical Instrum. Engineering ( SPIE ) 6604 (2007) 66041R.16-20

  42. L. Mihailov, R. Pavlov, Ch. Velchev, L. Pavlov, M. Dimitrova- Ivanovich, J. Maruani, Non-Conventional Optimization Procedure for Mass Effects Investigation in the Ground State Energies of the 1s Core-IonizedHelium-Like Atoms from Helium to Xenon Journal of Optoelectronics and Advanced Materials, 9 (2007) 390-393

  43. R. L. Pavlov, J. Maruani, L. M. Mihailov, Ch. J. Velchev and M. Dimitrova- Ivanovich, Electron Correlation and Nuclear Motion Corrections to the Ground-State Energy of Helium Isoelectronic Ions, from Li to Kr , In: Progress in Theoretical Chemistry and Physics: V. Frontiers in Quantum Systems in Chemistry end Physics, St. Wilson and J. Maruani (Eds) 257-272, 2008, Springer, The Netherlands

  44. R. Pavlov, J. Maruani, L. Mihailov, Ch. Velchev, M. Dimitrova-Ivanovich, J. Stoianov and D. Van Neck , Multiply Charged Helium Isoelectronic Ions with Charge Z to 118:I. Ground State Energies, MassCorrections, Mass Polarization, Ed. S. Dimitrova, Proceedengs of the 27 Intenernatoinal Workshop on the Nuclear Theory, parth VI Advanced Studies of Many-fermion Systems, 23-28 June 2008, Rila Mountains, Bulgaria, 249-260

  45. R. Pavlov, L. Mihailov, Ch. Velchev, M. Dimitrova-Ivanovich, Zh. Stoyanov, N. Chamel and J. Maruani, Effects induced by nuclear deformations and electron correlations on the ground-state energy of low and multiply charged helium like ions in high-temperature plasmas, Journal of Physics CS 253 012075 (R Pavlov et al 2010 J. Phys.: Conf. Ser. 253 012075 doi:10.1088/1742-6596/253/1/012075)

  46. N. Chamel, R.Pavlov, L. Mihailov, Ch. Velchev, Zh. Stoyanov,Y. Mutafchieva, M. Ivanovich, Effects of strong magnetic fields on the equation of state of cold non-accreting neutron-star crusts Proc. XXX International Workshop on Nuclear Theory, 30 Intenernatoinal Workshop on Nuclear Theory, 27 June 01 July 2011, Rila Mountains, Bulgaria, 30 (2011) 240-246

  47. N. Chamel, R.L. Pavlov, L.M. Mihailov, Ch.J. Velchev, Zh.K. Stoyanov,Y.D. Mutafchieva, and M.D. Ivanovich, Outer crust of strongly magnetized neutron stars for Hartree-Fock-Bogoliubov mass models, Phys. Rev. C 86 (2012) 055804-055814 ISSN: 0556-2813

  48. N. Chamel, R.L. Pavlov, L.M. Mihailov, Ch.J. Velchev, Zh.K. Stoyanov,Y.D. Mutafchieva, and M.D. Ivanovich, Eqiation Internal Structure and composition of magnetar crusts with Hartree-Fock-Bogolubov Atomic mass Models, Proceedings of the 31 Intenernatoinal Workshop on Nuclear Theory, June, 24-30 2012, Rila Mountains, Bulgaria, 31 (2012) 259-267; ISSN: 1313-2822

  49. N. Chamel, R. Pavlov, L. Mihailov, Ch. Velchev, Zh. Stoyanov, Y. Mutafchieva, M. Ivanovich, A. Fantina, J. Pearson and S. Goriely. Unified description of dense matter in neutron stars and magnetars. Proceedings of the International Astronomical Union, Volume 8, Issue S291 "Neutron Stars and Pulsars: Challenges and Opportunities after 80 years", Ed. Joeri van Leeuwen, August 20-31, 2012 Beijing, China Nanjing, Cambridge University Press, 359-361 (2013)

  50. N. Chamel, R. Pavlov, L. Mihailov, Ch. Velchev, Zh. Stoyanov, Y. Mutafchieva, M. Ivanovich, A. Fantina, J. Pearson and S. Goriely. Equation of State of Magnetar Crusts from Hartree-Fock-Bogoliubov Atomic Mass Models. Electromagnetic Radiation from Pulsars and Magnetars, ASP Conference Series, 466, Eds. W. Lewandowski, J. Kijak, A. Slowikowska and O. Maron, 249-250 (2013) ( arXiv:1210.1668v1 [astro-ph.HE] Oct. 5, 2012)

  51. N. Chamel, R. Pavlov, L. Mihailov, Ch. Velchev, Zh. Stoyanov, Y. Mutafchieva, M. Ivanovich, Exotic Nuclei in the Crust of Magnetars. Bulg. J. Phys, 40(4) 275-280 (2013)

  52. Ch. Velchev, R. Pavlov, L. Mihailov, N. Chamel, Zh. Stoyanov, Y. Mutafchieva, M. Ivanovich, Correlation effects of heliumoid electron-nuclear systems. Comptes rendus de l'Academie Bulgare des Sciences, 67(11) 1513-20 (2014)

  53. N. Chamel, Zh. Stoyanov, L. Mihailov, Y. Mutafchieva, R. Pavlov, Ch. Velchev. Role of Landau quantization on the neutron-drip transition in magnetar crusts. Phys. Rev. C, 91(6) 065801 (2015)

  54. N. Chamel, A. Fantina, L. Mihailov, Zh. Stoyanov, Y. Mutafchieva, D. Pena Arteaga, R. Pavlov, Ch. Velchev. Electron Captures and Neutron Emissions in Magnetic White Dwarfs and Magnetars. Nuclear Theory, 34, Eds. M. Gaidarov, N. Minkov, Heron Press, Sofia , 83-92 (2015)

  55. A. Fantina, N. Chamel, Y. Mutafchieva, Zh. Stoyanov, L. Mihailov, J. Pearson, R. Pavlov. Role of the symmetry energy on the neutron-drip transition in accreting and nonaccreting neutron stars. Phys. Rev. C, 93(1) 015801 (2016)

  56. N. Chamel, Y. Mutafchieva, Zh. Stoyanov, L. Mihailov, R. Pavlov. Landau quantization and neutron emissions by nuclei in the crust of a magnetar. J. Phys. CS 724, 012034 (2016)

  57. Zh. Stoyanov, R. Pavlov, L. Mihailov, Ch. Velchev, Y. Mutafchieva, D. Tonev, N. Chamel. Nuclear induced effects and mass correlations in low and multiply charged helium-like ions. J. Phys. CS 724, 012048 (2016)

  58. N. Chamel, Y. Mutafchieva, Zh. Stoyanov, L. Mihailov, R. Pavlov. Landau Quantisation of Electron Motion in the Crust of Highly Magnetised Neutron Stars. In: Progress in Theoretical Chemistry and Physics. Quantum Systems in Physics, Chemistry, and Biology: Selected Proceedings of QSCP-XX (in print)

  59. Ch. J. Velchev, R. Pavlov, D. Tonev, Zh. Stoyanov, L. Mihailov, Y. Mutafchieva, D. Van Neck. Effects of Isotope Characteristics on the Electron System Ground State Energy of Helium-like Ions. In: Progress in Theoretical Chemistry and Physics. Quantum Systems in Physics, Chemistry, and Biology: Selected Proceedings of QSCP-XX (in print)

References

  1. Obituary from the Institute for Nuclear Research and Nuclear Energy BAS

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