Sergiy Bubin, PhD

Associate Professor

  • 1818 Citations
  • 23 h-Index
20032020
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Research Output 2003 2019

  • 1818 Citations
  • 23 h-Index
  • 88 Article
  • 3 Conference contribution
  • 1 Conference article
2019
Born approximation
Born-Oppenheimer approximation
Excited states
Ground state
ground state
beryllium
quantum electrodynamics
electrons
energy
atoms

Regional HYSPLIT simulation of atmospheric transport and deposition of the Chernobyl 137Cs releases

Skrynyk, O., Voloshchuk, V., Budak, I. & Bubin, S., Jan 1 2019, (Accepted/In press) In : Atmospheric Pollution Research.

Research output: Contribution to journalArticle

atmospheric transport
atmospheric deposition
deposition velocity
simulation
meteorology

The 2S Rydberg series of the lithium atom. Calculations with all-electron explicitly correlated Gaussian functions

Bralin, A., Bubin, S., Stanke, M. & Adamowicz, L., Sep 1 2019, In : Chemical Physics Letters. 730, p. 497-505 9 p.

Research output: Contribution to journalArticle

Rydberg series
Lithium
lithium
Rydberg states
Atoms
2018
3 Citations (Scopus)

Leading relativistic corrections for atomic P states calculated with a finite-nuclear-mass approach and all-electron explicitly correlated Gaussian functions

Stanke, M., Bralin, A., Bubin, S. & Adamowicz, L., Jan 25 2018, In : Physical Review A. 97, 1, 012513.

Research output: Contribution to journalArticle

wave functions
helium atoms
beryllium
electrons
derivation
2017
9 Citations (Scopus)

Enhanced ionisation of polyatomic molecules in intense laser pulses is due to energy upshift and field coupling of multiple orbitals

Erattupuzha, S., Covington, C. L., Russakoff, A., Lötstedt, E., Larimian, S., Hanus, V., Bubin, S., Koch, M., Gräfe, S., Baltuška, A., Xie, X., Yamanouchi, K., Varga, K. & Kitzler, M., May 31 2017, In : Journal of Physics B: Atomic, Molecular and Optical Physics. 50, 12, 125601.

Research output: Contribution to journalArticle

polyatomic molecules
ionization
orbitals
pulses
lasers

Enhanced ionization of acetylene in intense laser pulses is due to energy upshift and field coupling of multiple orbitals

Erattupuzha, S., Covington, C. L., Russakoff, A., Lötstedt, E., Larimian, S., Hanus, V., Schöffler, M., Bubin, S., Koch, M., Gräfe, S., Baltuska, A., Xie, X., Yamanouchi, K., Varga, K. & Kitzler, M., Aug 18 2017, In : Journal of Physics: Conference Series. 875, 4, 032012.

Research output: Contribution to journalConference article

polyatomic molecules
acetylene
molecular orbitals
valence
ionization

Enhanced ionization of acetylene in intense laser pulses is due to energy upshift and field coupling of multiple orbitals

Erattupuzha, S., Covington, C. L., Russakoff, A., Lo¨tstedt, E., Larimian, S., Hanus, V., Bubin, S., Koch, M., Gräfe, S., Baltuska, A., Xie, X., Yamanouchi, K., Varga, K. & Kitzler, M., Jan 1 2017, The European Conference on Lasers and Electro-Optics, CLEO_Europe 2017. OSA - The Optical Society, Vol. Part F82-CLEO_Europe 2017.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Acetylene
Ionization
Laser pulses
6 Citations (Scopus)

Lowest S 2 Electronic Excitations of the Boron Atom

Bubin, S. & Adamowicz, L., Jan 27 2017, In : Physical Review Letters. 118, 4, 043001.

Research output: Contribution to journalArticle

boron
electronics
excitation
atoms
quantum electrodynamics

Relativistic corrections for non-Born-Oppenheimer molecular wave functions expanded in terms of complex explicitly correlated Gaussian functions

Bubin, S., Stanke, M. & Adamowicz, L., Jun 26 2017, In : Physical Review A. 95, 6, 062509.

Research output: Contribution to journalArticle

wave functions
vibrational states
ions
2015
17 Citations (Scopus)

Time-dependent density-functional study of the alignment-dependent ionization of acetylene and ethylene by strong laser pulses

Russakoff, A., Bubin, S., Xie, X., Erattupuzha, S., Kitzler, M. & Varga, K., Feb 19 2015, In : Physical Review A - Atomic, Molecular, and Optical Physics. 91, 2, 023422.

Research output: Contribution to journalArticle

acetylene
ethylene
alignment
ionization
pulses
2014

Ab-initio simulation of the ionization and fragmentation of acetylene by strong femtosecond laser pulses

Russakoff, A., Bubin, S. & Varga, K., 2014, In : Journal of Physics: Conference Series. 574, 1, 012055.

Research output: Contribution to journalArticle

acetylene
fragmentation
ionization
pulses
lasers
3 Citations (Scopus)
Vibrational spectra
vibrational spectra
Born approximation
Hamiltonians
Born-Oppenheimer approximation
3 Citations (Scopus)

Prediction of 1P Rydberg energy levels of beryllium based on calculations with explicitly correlated Gaussians

Bubin, S. & Adamowicz, L., Jan 14 2014, In : Journal of Chemical Physics. 140, 2, 024301.

Research output: Contribution to journalArticle

Beryllium
beryllium
Electron energy levels
energy levels
bellows
17 Citations (Scopus)

Role of proton dynamics in efficient photoionization of hydrocarbon molecules

Xie, X., Roither, S., Schöffler, M., Xu, H., Bubin, S., Lötstedt, E., Erattuphuza, S., Iwasaki, A., Kartashov, D., Varga, K., G. Paulus, G., Baltuška, A., Yamanouchi, K. & Kitzler, M., Feb 26 2014, In : Physical Review A - Atomic, Molecular, and Optical Physics. 89, 2, 023429.

Research output: Contribution to journalArticle

photoionization
hydrocarbons
ionization
protons
pulse duration
1 Citation (Scopus)
Rydberg states
Beryllium
beryllium
Atoms
Electrons
2013
76 Citations (Scopus)

Born-oppenheimer and non-born-oppenheimer, atomic and molecular calculations with explicitly correlated gaussians

Bubin, S., Pavanello, M., Tung, W. C., Sharkey, K. L. & Adamowicz, L., Jan 9 2013, In : Chemical Reviews. 113, 1, p. 36-79 44 p.

Research output: Contribution to journalArticle

Electrocardiography
Hamiltonians
Wave functions
Excited states
Ground state
8 Citations (Scopus)

Excited states of positronic lithium and beryllium

Bubin, S. & Prezhdo, O. V., Nov 4 2013, In : Physical Review Letters. 111, 19, 193401.

Research output: Contribution to journalArticle

beryllium
positrons
lithium
excitation
autoionization

Fragmentation control of a polyatomic molecule by fully determined laser-fields

Xie, X., Roither, S., Schöffler, M., Kartashov, D., Xu, H., Zhang, L., Rathje, T., Paulus, G. G., Doblhoff-Dier, K., Gräfe, S., Bubin, S., Atkinson, M., Varga, K., Yamanouchi, K., Baltuška, A. & Kitzler, M., 2013, EPJ Web of Conferences. Vol. 41. 02021

Research output: Chapter in Book/Report/Conference proceedingConference contribution

polyatomic molecules
fragmentation
acetylene
lasers
molecular orbitals

Highly efficient molecular ionization probed by few-cycle laser pulses

Roither, S., Xie, X., Schöffer, M., Kartashov, D., Zhang, L., Iwasaki, A., Xu, H., Bubin, S., Atkinson, M., Varga, K., Yamanouchi, K., Baltuška, A. & Kitzler, M., 2013, EPJ Web of Conferences. Vol. 41. 02005

Research output: Chapter in Book/Report/Conference proceedingConference contribution

ionization
cycles
pulses
lasers
pulse duration
9 Citations (Scopus)

Instability of tripositronium

Bubin, S., Prezhdo, O. V. & Varga, K., May 13 2013, In : Physical Review A - Atomic, Molecular, and Optical Physics. 87, 5, 054501.

Research output: Contribution to journalArticle

positrons
charged particles
dissociation
electrons

Interaction of electromagnetic fields and atomic clusters

Bubin, S., Russakoff, A. G. & Varga, K., 2013, In : Journal of Physics: Conference Series. 436, 1, 012084.

Research output: Contribution to journalArticle

atomic clusters
electromagnetic fields
laser applications
explosions
graphene
4 Citations (Scopus)
Electron energy levels
Rydberg states
energy levels
predictions
Isotopes
5 Citations (Scopus)
energy levels
predictions
lithium
wave functions
gradients
148 Citations (Scopus)

Theory and application of explicitly correlated Gaussians

Mitroy, J., Bubin, S., Horiuchi, W., Suzuki, Y., Adamowicz, L., Cencek, W., Szalewicz, K., Komasa, J., Blume, D. & Varga, K., May 6 2013, In : Reviews of Modern Physics. 85, 2, p. 693-749 57 p.

Research output: Contribution to journalArticle

hadrons
flexibility
quantum dots
chemistry
physics
2012
3 Citations (Scopus)
Wave functions
energy
wave functions
Atoms
gradients
13 Citations (Scopus)
Graphite
high power lasers
Graphene
Laser pulses
graphene
1 Citation (Scopus)

Explicitly correlated Gaussian calculations of the 2D Rydberg states of the boron atom

Sharkey, K. L., Bubin, S. & Adamowicz, L., Aug 14 2012, In : Journal of Chemical Physics. 137, 6, 064313.

Research output: Contribution to journalArticle

Rydberg states
Boron
boron
Atoms
atoms
8 Citations (Scopus)

Explicitly correlated Gaussian calculations of the 2P o Rydberg spectrum of the lithium atom

Bubin, S. & Adamowicz, L., Apr 7 2012, In : Journal of Chemical Physics. 136, 13, 134305.

Research output: Contribution to journalArticle

Lithium
Electron energy levels
lithium
Atoms
Rydberg series
39 Citations (Scopus)

Simulation of high-energy ion collisions with graphene fragments

Bubin, S., Wang, B., Pantelides, S. & Varga, K., Jun 19 2012, In : Physical Review B - Condensed Matter and Materials Physics. 85, 23, 235435.

Research output: Contribution to journalArticle

Graphite
Projectiles
Graphene
projectiles
graphene
18 Citations (Scopus)

Strong laser-pulse-driven ionization and Coulomb explosion of hydrocarbon molecules

Bubin, S., Atkinson, M., Varga, K., Xie, X., Roither, S., Kartashov, D., Baltuka, A. & Kitzler, M., Oct 5 2012, In : Physical Review A - Atomic, Molecular, and Optical Physics. 86, 4, 043407.

Research output: Contribution to journalArticle

explosions
hydrocarbons
ionization
pulses
ejection
2011
3 Citations (Scopus)
beryllium
atoms
electrons
wave functions
gradients
12 Citations (Scopus)

Accurate non-Born-Oppenheimer calculations of the complete pure vibrational spectrum of D2 with including relativistic corrections

Bubin, S., Stanke, M. & Adamowicz, L., Aug 21 2011, In : Journal of Chemical Physics. 135, 7, 074110.

Research output: Contribution to journalArticle

Vibrational spectra
vibrational spectra
Born approximation
Born-Oppenheimer approximation
Angular momentum
5 Citations (Scopus)
Carbon
Atoms
carbon
Wave functions
Excited states
17 Citations (Scopus)

An algorithm for calculating atomic D states with explicitly correlated Gaussian functions

Sharkey, K. L., Bubin, S. & Adamowicz, L., Jan 28 2011, In : Journal of Chemical Physics. 134, 4, 044120.

Research output: Contribution to journalArticle

Beryllium
Derivatives
Hamiltonians
beryllium
Lithium
6 Citations (Scopus)
Born-Oppenheimer approximation
vibrational spectra
wave functions
relativistic effects
perturbation theory
21 Citations (Scopus)
boron
quantum chemistry
excitation
atoms
wave functions
7 Citations (Scopus)

Electron-ion dynamics in laser-assisted desorption of hydrogen atoms from H-Si(111) surface

Bubin, S. & Varga, K., Sep 15 2011, In : Journal of Applied Physics. 110, 6, 064905.

Research output: Contribution to journalArticle

hydrogen atoms
desorption
lasers
ions
electrons
15 Citations (Scopus)

First-principles study of field emission from carbon nanotubes and graphene nanoribbons

Driscoll, J. A., Cook, B., Bubin, S. & Varga, K., Jul 15 2011, In : Journal of Applied Physics. 110, 2, 024304.

Research output: Contribution to journalArticle

field emission
graphene
carbon nanotubes
electron emission
emitters
7 Citations (Scopus)

First-principles time-dependent simulation of laser assisted desorption of hydrogen atoms from H-Si(111) surface

Bubin, S. & Varga, K., Apr 11 2011, In : Applied Physics Letters. 98, 15, 154101.

Research output: Contribution to journalArticle

hydrogen atoms
desorption
silicon
hydrogen
lasers
12 Citations (Scopus)

Ground-state energy and relativistic corrections for positronium hydride

Bubin, S. & Varga, K., Jul 19 2011, In : Physical Review A - Atomic, Molecular, and Optical Physics. 84, 1, 012509.

Research output: Contribution to journalArticle

positronium
hydrides
ground state
positron annihilation
dissociation
9 Citations (Scopus)

Laser-induced electron emission from nanostructures: A first-principles study

Driscoll, J. A., Bubin, S. & Varga, K., Jun 13 2011, In : Physical Review B - Condensed Matter and Materials Physics. 83, 23, 233405.

Research output: Contribution to journalArticle

Electron emission
electron emission
Laser pulses
Nanostructures
Ionization
26 Citations (Scopus)
lithium
atoms
ground state
energy
relativistic effects
18 Citations (Scopus)

Refinement of the experimental energy levels of higher 2D Rydberg states of the lithium atom with very accurate quantum mechanical calculations

Sharkey, K. L., Bubin, S. & Adamowicz, L., May 21 2011, In : Journal of Chemical Physics. 134, 19, 194114.

Research output: Contribution to journalArticle

Rydberg states
Lithium
Electron energy levels
lithium
energy levels
5 Citations (Scopus)

Time-dependent density functional study of field emission from nanotubes composed of C, BN, SiC, Si, and GaN

Driscoll, J. A., Bubin, S., French, W. R. & Varga, K., Jul 15 2011, In : Nanotechnology. 22, 28, 285702.

Research output: Contribution to journalArticle

Field emission
Nanotubes
Electronic structure
Density functional theory
Carrier concentration
5 Citations (Scopus)

Vibrational transitions of the 7LiH+ ion calculated without the Born-Oppenheimer approximation and with leading relativistic corrections

Bubin, S., Stanke, M. & Adamowicz, L., Jan 14 2011, In : Journal of Chemical Physics. 134, 2, 024103.

Research output: Contribution to journalArticle

Born approximation
Born-Oppenheimer approximation
Ions
ions
Vibrational spectra
2010
14 Citations (Scopus)

Accurate non-Born-Oppenheimer calculations of the lowest vibrational energies of D2 and T2 with including relativistic corrections

Bubin, S., Stanke, M., Molski, M. & Adamowicz, L., Jul 9 2010, In : Chemical Physics Letters. 494, 1-3, p. 21-25 5 p.

Research output: Contribution to journalArticle

Born approximation
Born-Oppenheimer approximation
relativistic effects
vibrational states
energy
21 Citations (Scopus)
Hamiltonians
Carbon
Atoms
gradients
Electrons
1 Citation (Scopus)

Calculation of transmission probability by solving an eigenvalue problem

Bubin, S. & Varga, K., Nov 24 2010, In : Journal of Physics Condensed Matter. 22, 46, 465306.

Research output: Contribution to journalArticle

eigenvalues
grids
costs
orbitals
Electrons
14 Citations (Scopus)

Isotope shifts of the 1s22s2(1S0) → 1s22p2(1S0) transition in the doubly ionized carbon ion C2+

Bubin, S., Komasa, J., Stanke, M. & Adamowicz, L., May 14 2010, In : Physical Review A - Atomic, Molecular, and Optical Physics. 81, 5, 052504.

Research output: Contribution to journalArticle

isotope effect
carbon
ions
shift
quantum electrodynamics