Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Paraskevov, A. V."'
Autor:
Paraskevov, A. V., Zemskova, T. S.
Publikováno v:
Phys. Lett. A 402, 127379 (2021)
The classical biophysical Morris-Lecar model of neuronal excitability predicts that upon stimulation of the neuron with a sufficiently large constant depolarizing current there exists a finite interval of the current values where periodic spike gener
Externí odkaz:
http://arxiv.org/abs/1912.04083
Autor:
Paraskevov, A. V., Minkin, A. S.
Publikováno v:
Chaos Soliton. Fract. 155, 111695 (2022)
There are numerous examples of natural and artificial processes that represent stochastic sequences of events followed by an absolute refractory period during which the occurrence of a subsequent event is impossible. In the simplest case of a general
Externí odkaz:
http://arxiv.org/abs/1905.10172
Autor:
Paraskevov, A. V., Zendrikov, D. K.
Publikováno v:
Phys. Biol. 14, 026003 (2017)
We show that in model neuronal cultures, where the probability of interneuronal connection formation decreases exponentially with increasing distance between the neurons, there exists a small number of spatial nucleation centers of a network spike, f
Externí odkaz:
http://arxiv.org/abs/1811.03335
Autor:
Paraskevov, A. V.
Publikováno v:
J. Exp. Theor. Phys. 114, 1022 (2012)
A consistent explanation of the formation of a ring-shaped pattern of exciton luminescence in GaAs/AlGaAs double quantum wells is suggested. The pattern consists of two concentric rings around the laser excitation spot. It is shown that the luminesce
Externí odkaz:
http://arxiv.org/abs/1104.1694
Autor:
Paraskevov, A. V.
Publikováno v:
J. Lumin. 132, 2913 (2012)
A simple microscopic mechanism explaining the linear dependence of the radiative lifetime of free-moving two-dimensional excitons on their effective temperature is suggested. It is shown that there exists a characteristic effective temperature (of ab
Externí odkaz:
http://arxiv.org/abs/1009.2046
Autor:
Paraskevov, A. V., Savel'ev, S. E.
Publikováno v:
Phys. Rev. B 81, 193403 (2010)
We report the results of molecular dynamics simulation of a spatiotemporal evolution of the locally photoexcited electrons and holes localized in two separate layers. It is shown that the ring-shaped spatial pattern of luminescence forms due to the s
Externí odkaz:
http://arxiv.org/abs/0909.4204
Autor:
Paraskevov, A. V.
This is an extended version of the Comment that contains the criticism against an applicability of the diffusive transport model for the explanation of the ring-shaped spatial pattern formation in the exciton photoluminescence for the GaAs/AlGaAs dou
Externí odkaz:
http://arxiv.org/abs/0902.3909
Autor:
Paraskevov, A. V.
The development of the algorithm of a neural network building by the corresponding parts of a DNA code is discussed.
Externí odkaz:
http://arxiv.org/abs/cs/0702055
Autor:
Paraskevov, A. V., Khabarova, T. V.
Publikováno v:
Phys. Lett. A 368, 151 (2007)
The description is presented for the dependence of the indirect exciton condensate density at the ring as a function of the polar angle at zero temperature with the involvement of the processes of formation and recombination of the excitons. In parti
Externí odkaz:
http://arxiv.org/abs/cond-mat/0611258
Autor:
Maksimov, L. A., Paraskevov, A. V.
Publikováno v:
J. Exp. Theor. Phys. 102, 61 (2006)
It is shown that a Bose gas of two-level atoms in the intense resonant laser field at zero temperature is a mixture of two condensates with a definite ratio of the densities. The criteria of stability are found for the stationary states of such syste
Externí odkaz:
http://arxiv.org/abs/cond-mat/0511253