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Browsing Physics by Author "Bubin, Sergiy"
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Sharkey, Keeper L.; Bubin, Sergiy; Adamowicz, Ludwik
(Chemical Physics Letters, 2014-11-25)
Abstract Accurate variational nonrelativistic quantum-mechanical calculations are performed for the five lowest 1D and four lowest 3D states of the 9Be isotope of the beryllium atom. All-electron explicitly correlated ...
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Bubin, Sergiy; Atkinson, Mackenzie; Varga, Kalman
(2012)
Field ionization and Coulomb explosion of small hydrocarbon molecules driven by intense laser pulses are studied in a combined theoretical and experimental framework. The spectra of ejected protons calculated by the ...
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Mitroy, Jim; Bubin, Sergiy; Horiuchi, Wataru; Suzuki, Yasuyuki; Adamowicz, Ludwik; Cencek, Wojciech; Szalewicz, Krzysztof; Komasa, Jacek; Blume, D.; Varga, Ka´lma´n
(2013)
The variational method complemented with the use of explicitly correlated Gaussian basis functions
is one of the most powerful approaches currently used for calculating the properties of few-body
systems. Despite its ...
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Stanke, Monika; Komasa, Jacek; Ke¸dziera, Dariusz; Bubin, Sergiy; Adamowicz, Ludwik
(2008)
We have performed high-accuracy quantum mechanical calculations for the three lowest S states of the
beryllium ion 9Be+ . The nonrelativistic part of the calculations was done with the variational approach and
explicitly ...
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Russakoff, Arthur; Bubin, Sergiy; Xie, Xinhua; Erattupuzha, Sonia; Kitzler, Markus; Varga, K´alm´an
(2015)
The alignment-dependent ionization of acetylene and ethylene in short laser pulses is investigated in the framework of the time-dependent density-functional theory coupled with Ehrenfest dynamics. The molecular alignment ...
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Bubin, Sergiy; Formanek, Martin; Adamowicz, Ludwik
(Chemical Physics Letters, 2016-03-01)
Abstract Complex explicitly correlated one-center all-particle Gaussian functions (CECGs) are tested as basis functions for molecular non-Born–Oppenheimer (non-BO) calculations. The tests concern the complete spectrum of ...
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Bubin, Sergiy; Adamowicz, Ludwik
(2003)
Very accurate, rigorous and fully variational, all-particle, non-Born–Oppenheimer calculations of the vibrational spectrum of the H2 molecule have been performed. Very high accuracy has been achieved by expanding the wave ...
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Bubin, Sergiy; Stanke, Monika; Adamowicz, Ludwik
(2011)
We recently presented very accurate calculations of the fundamental vibrational frequency of the 7LiH+ and 3He4He+ ions [Stanke et al., Phys. Rev. A 79, 060501(R) (2009)] performed without the Born–Oppenheimer approximation ...