562 citations
- Bulgarian Academy of SciencesBG49 papers
- Chinese Academy of SciencesCN32 papers
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- Institute for Nuclear Research and Nuclear EnergyBG11 papers
- Sofia University "St. Kliment Ohridski"BG10 papers
- Centre National de la Recherche ScientifiqueFR6 papers
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6 papers · 1 filter
A 2D nanosphere array for atomic spectroscopy
Marco Romanelli, Isabelle Maurin, Petko Todorov +2
We are interested in the spectroscopic behaviour of a gas confined in a micrometric or even nanometric volume. Such a situation could be encountered by the filling-up of a porous m…
The Manakov system as two moving interacting curves
N. A. Kostov, R. Dandoloff, V. S. Gerdjikov +1
The two time-dependent Schrodinger equations in a potential V(s,u), denoting time, can be interpreted geometrically as a moving interacting curves whose Fermi-Walker phase dens…
New Lax pair for restricted multiple three wave interaction system, quasiperiodic solutions and bi-hamiltonian structure
N. A. Kostov, A. V. Tsiganov
We study restricted multiple three wave interaction system by the inverse scattering method. We develop the algebraic approach in terms of classical -matrix and give an interpre…
Saturation effects in the sub-Doppler spectroscopy of Cesium vapor confined in an Extremely Thin Cell
C. Andreeva, S. Cartaleva, L. Petrov +5
Saturation effects affecting absorption and fluorescence spectra of an atomic vapor confined in an Extremely Thin Cell (cell thickness ) are investigated experimentally a…
Ground-state magneto-optical resonances in Cesium vapour confined in an extremely thin cell
C. Andreeva, A. Atvars, M. Auzinsh +4
Experimental and theoretical studies are presented related to the ground-state magneto-optical resonance prepared in Cesium vapour confined in an Extremely Thin Cell (ETC, with thi…
Exact Solutions for Equations of Bose-Fermi Mixtures in One-Dimensional Optical Lattice
Nikolay A. Kostov, Vladimir S. Gerdjikov, Tihomir I. Valchev
We present two new families of stationary solutions for equations of Bose-Fermi mixtures with an elliptic function potential with modulus . We also discuss particular cases when…