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6 papers · 1 filter
Estimating the p-variation index of a sample function: An application to financial data set
R. Norvaisa, D. M. Salopek
This paper modifies a box-counting method of estimating a fractal dimension of a graph, and applies it to estimate the roughness of a sample function of a stochastic process such a…
Dibaryons as canonically quantized biskyrmions
T. Krupovnickas, E. Norvaišas, D. O. Riska
The characteristic feature of the ground state configuration of the Skyrme model description of nuclei is the absence of recognizable individual nucleons. The ground state of the s…
Absorption by cold Fermi atoms in a harmonic trap
Gediminas Juzeliunas, Marius Masalas
We study the absorption spectrum for a strongly degenerate Fermi gas confined in a harmonic trap. The spectrum is calculated using both the exact summation and also the Thomas-Ferm…
A.model of cation ordering in A(B'_xB''_1-x)O_3 relaxors
S. Lapinskas, E. E. Tornau, A. Rosengren
We have shown that the lattice-gas model with four repulsive pair interaction constants (corresponding to the four nearest coordination shells) on a simple cubic lattice is a suffi…
ISO observations of the planetary nebula Lindsay 305 in the Small Magellanic Cloud
A. Kucinskas, V. Vansevicius, M. Sauvage +1
We present ISO (Infrared Space Observatory) observations of the planetary nebula Lindsay 305 (L 305) in the Small Magellanic Cloud. L 305 is very prominent in the ISOCAM frames at…
Coulomb gap in a model with finite charge transfer energy
S. A. Basylko, P. J. Kundrotas, V. A. Onischouk +2
The Coulomb gap in a donor-acceptor model with finite charge transfer energy describing the electronic system on the dielectric side of the metal-insulator transition is invest…