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Browsing Articles by Title
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Bubin, Sergiy; Stanke, Monika; Adamowicz, Ludwik
(2011)
All 18 bound pure vibrational levels of the HD molecule have been calculated within the framework that does not assume the Born-Oppenheimer (BO) approximation. The nonrelativistic energies of the states have been corrected ...
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Stanke, Monika; Kedziera, Dariusz; Molski, Marcin; Bubin, Sergiy; Barysz, Maria; Adamowicz, Ludwik
(2006)
Very accurate quantum mechanical calculations of the pure vibrational spectrum of the HeH molecular
ion are reported and compared with newly obtained pure vibrational transitions extracted from the
available experimental ...
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Hennig, D.; Mulhern, C.; Schimansky-Geier, L.; Tsironis, G.P.; Hänggi, P.
(Physics Reports, 2015-07-20)
Abstract The physics of activated escape of objects out of a metastable state plays a key role in diverse scientific areas involving chemical kinetics, diffusion and dislocation motion in solids, nucleation, electrical ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2011)
Benchmark variational calculations of the four lowest 2P and 2S states of the boron atom (including the ground state) have been performed. The wave functions of the states have been expanded in terms of all-particle ...
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Kedziera, Dariusz; Stanke, Monika; Bubin, Sergiy; Barysz, Maria; Adamowicz, Ludwik
(2006)
The Pauli approach to account for the mass-velocity and Darwin relativistic corrections has been
applied to the formalism for quantum mechanical molecular calculations that does not assume the
Born-Oppenheimer BO ...
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Ke¸dziera, Dariusz; Stanke, Monika; Bubin, Sergiy; Barysz, Maria; Adamowicz, Ludwik
(2006)
The Darwin and mass-velocity relativistic corrections have been calculated for all pure vibrational
states of the H2 using the perturbation theory and very accurate variational wave functions obtained
without assuming ...
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Joshi, Pankaj S.; Malafarina, D.; Narayan, Ramesh
(2014-05-06)
We show that, in principle, a slowly evolving gravitationally collapsing perfect fluid cloud can asymptotically settle to a static spherically symmetric equilibrium configuration with a naked singularity at the center. We ...
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Asle Zaeem, M.; El Kadiri, H.; Horstemeyer, M.F.; Khafizov, M.; Utegulov, Z.
(Current Applied Physics, 2012-03-01)
Abstract Phase stability, topology and size evolution of precipitates are important factors in determining the mechanical properties of crystalline materials. In this article, the Cahn–Hilliard type of phase-field model ...
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Vehmas, J.; Simovski, C. R.; Tretyakov, S. A.; Maslovski, S. I.
(American Physical Society, 2015)
The ideal black body fully absorbs all incident rays, that is, all propagating waves created by arbitrary sources.
A known idealized realization of the black body is the perfectly matched layer (PML), widely used in ...
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Stanke, Monika; Kedziera, Dariusz; Bubin, Sergiy; Adamowicz, Ludwik
(2007)
Explicitly correlated Gaussian functions have been used to perform very accurate variational
calculations for the ground states of 7Li and 7Li−. The nuclear motion has been explicitly included
in the calculations i.e., ...
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Bubin, Sergiy; Varga, Ka´ lma´n
(2011)
In the framework of real time real space time-dependent density functional theory we have studied the electron-ion dynamics of a hydrogen-terminated silicon surface H-Si(111) subjected to intense laser irradiation. Two ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2008)
In this work we consider explicitly correlated complex Gaussian basis functions for expanding the wave function of an N-particle system with the L=1 total orbital angular momentum. We derive analytical expressions for ...
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Mattheakis, Marios; Valagiannopoulos, Constantinos; Kaxiras, Efthimios
(Physical Review B. American Physical Society, 2016)
The electromagnetic response of a two-dimensional metal embedded in a periodic array of a dielectric host
can give rise to a plasmonic Dirac point that emulates epsilon-near-zero (ENZ) behavior. This theoretical result ...
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Joshi, Pankaj S.; Narayan, Ramesh; Malafarina, D.
(2011-11-18)
We develop here a new procedure within Einstein’s theory of gravity to generate equilibrium configurations that result as the final state of gravitational collapse from regular initial conditions. As a simplification, we ...
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Yapiyev, Vadim; Sagintayev, Zhanay; Inglezakis, Vassilis J.; Samarkhanov, Kanat; Verhoef, Anne
(Water, 2017-10-21)
Endorheic basins (i.e., land-locked drainage networks) and their lakes can be highly
sensitive to variations in climate and adverse anthropogenic activities, such as overexploitation of water resources. In this review ...
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Beznosko, Dmitriy
(2013)
The T2K collaboration reports evidence for electron neutrino appearance at the atmospheric mass splitting, j m2 32j 2:4 103 eV2. An excess of electron neutrino interactions over background is observed from a muon ...
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Abdullaev, A.; Muminov, B.; Rakhymzhanov, A.; Mynbayev, N.; Utegulov, Z. N.
(American Institute of Physics, 2017-07-12)
Nanosecond laser pulse-induced melting thresholds in refractory (Nb, Mo, Ta and W)
metals are measured using detected laser-generated acoustic shear waves. Obtained
melting threshold values were found to be scaled with ...
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Bubin, Sergiy; Prezhdo, Oleg V.
(2013)
Using a variational method with an explicitly correlated Gaussian basis, we study the eþ-Li and eþ-Be
complexes in the ground and lowest excited states with higher spin multiplicity. Our calculations provide
rigorous ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2012)
Accurate quantum-mechanical nonrelativistic variational calculations are performed for the nine lowest members of the 2Po Rydberg series (1s2np1, n = 2, . . . , 10) of the lithium atom. The effect of the finite nuclear ...
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Mandilara, Aikaterini; Karpov, E.; Cerf, N. J.
(2009)
According to Hudson’s theorem, any pure quantum state with a positive Wigner function is necessarily a
Gaussian state. Here, we make a step toward the extension of this theorem to mixed quantum states by finding
upper ...