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>> Românã
 
   
 

Gabriela Buica

Institutul de Stiinte Spatiale, Bucuresti, Romania

Institution web page: http://www.spacescience.ro/
Personal web page: http://www.spacescience.ro/~gzloh/
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Born: 1968

Interests: laser pulses, atomic systems, electron-atom interaction, free-free transitions

Details:
My scientific interests are focused on the interactions of atoms with radiation fields, especially on laser assisted phenomena. In this context I have studied electron-hydrogen collisions in the presence of a laser field. For low field intensities, the study was done in the framework of the second and third order perturbation theory.
I have investigated the scattering of fast electrons by hydrogen atoms in excited states(in particular, in the 2s, 2p or ns state) in the presence of a linearly polarized laser field of moderate power such that target-dressing can be treated by time dependent perturbation theory.
I have studied the multiphoton ionization of a two-valence electron atom in a strong ultrashort laser field employing a nonperturbative method in order to solve the time-dependent Schrodinger equation. In this context I have investigated the total and partial ionization yields, and the above-threshold ionization spectra (ATI) of Mg in a Ti:Sapphire laser field when multiple ionization thresholds are involved in the ionization process.

ResearcherID: C-3491-2011

Selected publications:
• G. Buica and T. Nakajima. Multiphoton ionization of the Calcium atom by linearly and circularly polarized laser fields. Phys. Rev. A, 81, p. 043418, 2010.
• Cionga, A.; Ehlotzky, F.; Zloh, G. . Coherent phase control in electron scattering by hydrogen atoms in a bichromatic laser field. , 2001.
• A. Cionga, F. Ehlotzky and G Zloh. Circular dichroism in differential and integrated cross sections of free-free transitions in high energy electron-atom scattering. Journal of Phys. B, 33, p. 4939, 2000.

Publications from the ISI database, indexed between 2002-2011, produced in Romania:
• Nikolopoulos, LAA; Buica-Zloh, G; Lambropoulos, P, Multiphoton ionization of magnesium in a Ti-sapphire laser field. EUROPEAN PHYSICAL JOURNAL D, 26 (3), pp. 245-251, 2003.
• Buica-Zloh, G; Nikolopoulos, LAA, Coherent phase control in ionization of magnesium by a bichromatic laser field of frequencies omega and 2 omega. EUROPEAN PHYSICAL JOURNAL D, 29 (2), pp. 201-208, 2004.
• Buica, G; Nakajima, T, Effects of laser polarization on photoelectron angular distribution through laser-induced continuum structure. PHYSICAL REVIEW A, 72 (5), p. , 2005.
• Nakajima, T; Buica, G, Modification of the photoelectron angular distribution through laser-induced continuum structure. PHYSICAL REVIEW A, 71 (1), p. , 2005.
• Nakajima, T; Buica, G, Above-threshold ionization of Mg by linearly and circularly polarized laser fields: Origin of the subpeaks in the photoelectron energy spectra. PHYSICAL REVIEW A, 74 (2), p. , 2006.
• Buica, G; Nakajima, T, Two-, three-, and four-photon ionization of Mg in the circularly and linearly polarized laser fields: Comparative study using the Hartree-Fock and model potentials. JOURNAL OF QUANTITATIVE SPECTROSCOPY & RADIATIVE TRANSFER, 109 (1), pp. 107-118, 2008.
• Buica, G; Nakajima, T, Multiphoton ionization through the triplet states of Mg by linearly and circularly polarized laser pulses. PHYSICAL REVIEW A, 79 (1), p. , 2009.
• Buica, G; Nakajima, T, Multiphoton ionization of the calcium atom by linearly and circularly polarized laser fields. PHYSICAL REVIEW A, 81 (4), p. , 2010.
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