Hugo Van Der Hart

Research output

Research output per year 1991 2020

• 88 Article
• 3 Meeting abstract
• 2 Conference contribution
• 1 Chapter
• 2 More
  • 1 Letter
  • 1 Software

Research output per year

Research output per year

Search results

• 1991

  Calculations for doubly-excited states populated in two-electron processes

  Hansen, J. E., van der Hart, H., Landtman, M., Shen, Y-T. & Vaeck, N., 01 Mar 1991, In: Zeitschrift für Physik D Atoms, Molecules and Clusters. 21, 1 Supplement

  Research output: Contribution to journal › Article › peer-review

  • neutral atoms
  • electron states
  • excitation
  • electrons
  • ions
  1 Citation (Scopus)
• 1993

  INFLUENCE OF CORE POLARIZATION ON THE ELECTRON-AFFINITY OF CA

  Van Der Hart, H., LAUGHLIN, C. & HANSEN, J. E., 06 Sep 1993, In: Physical Review Letters. 71, 10, p. 1506-1509 4 p.

  Research output: Contribution to journal › Article › peer-review

  68 Citations (Scopus)
• 1994

  Partial and total multiphoton detachment rates for H- in a perturbative B-spline-based approach

  Van Der Hart, H. W., 01 Jan 1994, In: Physical Review A (Atomic, Molecular, and Optical Physics). 50, 3, p. 2508-2516 9 p.

  Research output: Contribution to journal › Article › peer-review

  • splines
  • detachment
  • photons
  • electrons
  • cross sections
  29 Citations (Scopus)
• 1996

  R-matrix Floquet theory of multiphoton processes: VI. The negative halide ions

  Van Der Hart, H. W., 28 Jul 1996, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 29, 14, p. 3059-3074 16 p.

  Research output: Contribution to journal › Article › peer-review

  • halides
  • detachment
  • photons
  • ions
  • cross sections
  20 Citations (Scopus)

• R-Matrix-Floquet Theory of Multiphoton Processes: VII. A Two-Colour Approach

  Van Der Hart, H., 1996, In: Journal of Physics B: Atomic Molecular and Optical Physics. 29, p. 2217-2238 22 p.

  Research output: Contribution to journal › Article › peer-review

  24 Citations (Scopus)
• 1997

  B-spline methods in R-matrix theory for scattering in two-electron systems

  Van Der Hart, H. W., 14 Feb 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 3, p. 453-465 13 p.

  Research output: Contribution to journal › Article › peer-review

  • matrix theory
  • splines
  • scattering
  • electrons
  • scattering cross sections
  35 Citations (Scopus)

• Fluorescence yields for 3lnl′ Rydberg series in ions belonging to the He isoelectronic sequence

  Van Der Hart, H. W., Hansen, J. E., Bachau, H. & Sánchez, I., 28 Jan 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 2, p. 203-214 12 p.

  Research output: Contribution to journal › Article › peer-review

  • isoelectronic sequence
  • Rydberg series
  • fluorescence
  • charge exchange
  • ions
  8 Citations (Scopus)

• Recoil-induced electronic excitation and ionization in one-and two-electron ions

  Wauters, L., Demeur, M., Vaeck, N., Godefroid, M. & Van Der Hart, H. W., 28 Oct 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 20, p. 4569-4589 21 p.

  Research output: Contribution to journal › Article › peer-review

  • transition probabilities
  • ionization
  • electronics
  • excitation
  • ions
  13 Citations (Scopus)

• R-matrix Floquet theory of multiphoton processes: XIII. Resonances in H multiphoton detachment

  Van Der Hart, H. W. & Fearnside, A. S., 28 Dec 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 24, p. 5657-5675 19 p.

  Research output: Contribution to journal › Article › peer-review

  • detachment
  • photons
  • hydrogen atoms
  • ions
  • lasers
  12 Citations (Scopus)

• R-matrix-Floquet theory of multiphoton processes: VIII. A linear equations method

  Glass, D. H., Burke, P. G., Van Der Hart, H. W. & Noble, C. J., 14 Sep 1997, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 30, 17, p. 3801-3819 19 p.

  Research output: Contribution to journal › Article › peer-review

  • linear equations
  • memory (computers)
  • simultaneous equations
  • parallel computers
  • conjugate gradient method
  14 Citations (Scopus)
• 1998

  Double and Triple Photoionization from Ground-State Lithium

  Van Der Hart, H., 1998, In: Physical Review Letters. 81, p. 4333-4336 4 p.

  Research output: Contribution to journal › Article › peer-review

  44 Citations (Scopus)

• Multichannel Photoionization Spectroscopy of Ar: Total Cross Section and Threshold Photoelectrons

  Van Der Hart, H., Sep 1998, In: Physical Review A. 58, 3, p. 2097-2105 9 p.

  Research output: Contribution to journal › Article › peer-review

  14 Citations (Scopus)

• Singly, doubly and triply resonant multiphoton processes involving autoionizing states in magnesium

  Kylstra, N. J., Joachain, C. J., Van Der Hart, H. W. & Burke, P. G., 28 Jul 1998, In: Journal of Physics B: Atomic, Molecular and Optical Physics. 31, 14, p. 3089-3116 28 p.

  Research output: Contribution to journal › Article › peer-review

  • magnesium
  • lasers
  • photons
  • atoms
  • color
  32 Citations (Scopus)
• 1999

  Energy levels, wavefunction compositions and electric dipole transitions in neutral Ca

  Hansen, J. E., Laughlin, C., van der Hart, H. W. & Verbockhaven, G., 14 May 1999, In: Journal of Physics B: Atomic Molecular and Optical Physics. 32, 9, p. 2099-2137 39 p.

  Research output: Contribution to journal › Article › peer-review

  34 Citations (Scopus)

• Spin-orbit effects on photoionization-produced alignment of the Ar+ 3p(4)(P-3)4p levels

  van der Hart, H. W. & Greene, C. H., 28 Aug 1999, In: Journal of Physics B: Atomic Molecular and Optical Physics. 32, 16, p. 4029-4037 9 p.

  Research output: Contribution to journal › Article › peer-review

  10 Citations (Scopus)
• 2000

  Collapse versus growth for a Bose-Einstein condensate with attractive interactions

  van der Hart, H. W., Jul 2000, In: Physical Review A. 62, 1, p. art. no.-013601 8 p.

  Research output: Contribution to journal › Article › peer-review

  2 Citations (Scopus)

• Configuration-interaction effects in and intensity dependence of F- multiphoton detachment

  van der Hart, H. W., 14 May 2000, In: Journal of Physics B: Atomic Molecular and Optical Physics. 33, 9, p. 1789-1803 15 p.

  Research output: Contribution to journal › Article › peer-review

  13 Citations (Scopus)

• Recollison Model for Double Ionization of Atoms in Strong Laser Fields

  Van Der Hart, H. & Burnett, K., 2000, In: Physical Review A. 62, p. 013407 1 p.

  Research output: Contribution to journal › Article › peer-review

• Sequential versus non-sequential double ionization in strong laser fields

  van der Hart, H. W., 28 Oct 2000, In: Journal of Physics B: Atomic Molecular and Optical Physics. 33, 20, p. L699-L705 7 p.

  Research output: Contribution to journal › Article › peer-review

  27 Citations (Scopus)
• 2001

  Double photoionization of excited He-like atoms

  Van Der Hart, H. & Feng, L., 28 Sep 2001, In: Journal of Physics B: Atomic Molecular and Optical Physics. 34(18), 18, p. L601-L609 9 p.

  Research output: Contribution to journal › Article › peer-review
  27 Citations (Scopus)

• Electron-impact ionization of He^+: consequences for double ionization of He in strong laser fields

  Van Der Hart, H., 28 Mar 2001, In: Journal of Physics B: Atomic Molecular and Optical Physics. 34, 6, p. L147-L155 9 p.

  Research output: Contribution to journal › Article › peer-review

  14 Citations (Scopus)
• 2002

  Double photoionization of doubly-excited helium.

  Feng, L. & Van Der Hart, H., 2002, In: Physical Review A. 66, p. 031402 4 p., 031402.

  Research output: Contribution to journal › Article › peer-review

• Excitation of the 3p^4(4s,3d,4p) Ar^+ states during Ar photoionization: Intensity, alignment, and orientation

  Van der Hart, H. W. & Greene, C. H., 01 Jun 2002, In: Physical Review A (Atomic, Molecular, and Optical Physics). 65, 6 A, p. 062509 13 p.

  Research output: Contribution to journal › Article › peer-review

  • photoionization
  • alignment
  • excitation
  • cross sections
  • fluorescence
  4 Citations (Scopus)

• Multiphoton ionization processes in Ar$^{7+}$.

  Van Der Hart, H. & Feng, L., 14 Mar 2002, In: Journal of Physics B: Atomic Molecular and Optical Physics. 35, 5, p. 1185-1195 11 p.

  Research output: Contribution to journal › Article › peer-review

  6 Citations (Scopus)

• Regularities and irregularities in partial photoionization cross sections of He

  Van Der Hart, H. & Greene, C. H., Aug 2002, In: Physical Review A. 66(2), 2, p. 022710 1 p.

  Research output: Contribution to journal › Article › peer-review
  15 Citations (Scopus)
• 2003

  Single- and multi-photon detachment of K^-.

  Vinci, N., Glass, D. H., Van Der Hart, H., Taylor, K. & Burke, P., 2003, In: Journal of Physics B: Atomic Molecular and Optical Physics. 36, p. 1795-1809 15 p.

  Research output: Contribution to journal › Article › peer-review

  9 Citations (Scopus)

• Single- and two-photon photoionization of Ca.

  McKenna, C. & Van Der Hart, H., 2003, In: Journal of Physics B: Atomic Molecular and Optical Physics. 36, p. 1627-1643 17 p.

  Research output: Contribution to journal › Article › peer-review

  15 Citations (Scopus)

• The recollision model applied to strong-field double ionization of C^+.

  Van Der Hart, H., 28 Aug 2003, In: Journal of Physics B: Atomic Molecular and Optical Physics. 36, 16, p. 3477-3486 10 p.

  Research output: Contribution to journal › Article › peer-review

  3 Citations (Scopus)

• The two-electron continuum in terms of B-spline basis functions.

  Van Der Hart, H. & Feng, L., 10 Mar 2003, In: Journal of Modern Optics. 50, 3-4, p. 579-588 10 p.

  Research output: Contribution to journal › Article › peer-review

• Two-photon double ionization of He

  Feng, L. & van der Hart, H. W., 14 Jan 2003, In: Journal of Physics B: Atomic Molecular and Optical Physics. 36, 1, p. L1-L7 7 p.

  Research output: Contribution to journal › Article › peer-review
  106 Citations (Scopus)
• 2004

  Multiphoton ionisation of Ar^{7+} in two-colour laser fields using R-matrix Floquet theory

  Costa I. Bricha, E., Lewis, C. & Van Der Hart, H., 2004, In: Journal of Physics B: Atomic Molecular and Optical Physics. 37, p. 2755-2770 16 p.

  Research output: Contribution to journal › Article › peer-review

  3 Citations (Scopus)

• Multiphoton ionization cross sections of Ne and Ar

  McKenna, C. & Van Der Hart, H., 2004, In: Journal of Physics B: Atomic Molecular and Optical Physics. 37, p. 457-470 14 p.

  Research output: Contribution to journal › Article › peer-review

  26 Citations (Scopus)
• 2005

  Benchmark multiphoton ionization rates for He at 390 nm

  Van Der Hart, H., Doherty, B. J. S., Parker, J. & Taylor, K., 14 Jun 2005, In: Journal of Physics B: Atomic Molecular and Optical Physics. 38, 13, p. L207-L214 8 p.

  Research output: Contribution to journal › Article › peer-review
  25 Citations (Scopus)

• Competition between multi-photon emission of the 1s and 2s electron from He 1s2s ^1S

  Madine, M. & Van Der Hart, H., 2005, In: Journal of Physics B: Atomic Molecular and Optical Physics. 38, p. 3963-3972 10 p.

  Research output: Contribution to journal › Article › peer-review

  9 Citations (Scopus)

• Single- and two-photon ionization of Sr

  Madine, M. & Van Der Hart, H., 28 Jun 2005, In: Journal of Physics B: Atomic Molecular and Optical Physics. 38, 12, p. 1895-1905 11 p.

  Research output: Contribution to journal › Article › peer-review

  11 Citations (Scopus)

• Two- and three-photon ionization of He between 10^{13} and 10^{14} Wcm^{-2}

  Van Der Hart, H. & Bingham, P., 2005, In: Journal of Physics B: Atomic Molecular and Optical Physics. 38, p. 207-221 15 p.

  Research output: Contribution to journal › Article › peer-review

  24 Citations (Scopus)

• Two-photon detachment of inner-shell electrons from Li^-

  Van Der Hart, H., 07 Oct 2005, In: Physical Review Letters. 95(15), 15, p. 153001-1-153001-4 4 p., 153001.

  Research output: Contribution to journal › Article › peer-review
  16 Citations (Scopus)
• 2006

  Influence of magnetic quantum number m and spin-angular symmetry on sequential double detachment in strong laser fields

  Van Der Hart, H., 2006, In: Physical Review A. 74, 5, p. 053406-1-053406-7 7 p., 053406.

  Research output: Contribution to journal › Article › peer-review

  10 Citations (Scopus)

• Ionization rates for He, Ne and Ar subjected to laser light with wavelengths between 248.6 nm and 390 nm

  Van Der Hart, H., Feb 2006, In: Physical Review A. 73, 2, p. 023417 1 p.

  Research output: Contribution to journal › Article › peer-review
  23 Citations (Scopus)

• Resonance effects on the competition between multiphoton emission of inner-shell and outer-shell electrons

  Madine, M. & Van Der Hart, H., 09 Oct 2006, In: Journal of Physics B: Atomic Molecular and Optical Physics. 39, 20, p. 4049-4063 15 p., 004.

  Research output: Contribution to journal › Article › peer-review

  5 Citations (Scopus)
• 2007

  Time-dependent multielectron dynamics of Ar in intense short laser pulses

  Van Der Hart, H., Lysaght, M. & Burke, P., 08 Oct 2007, In: Physical Review A. 76, 4, p. 043405-1-043405-5 5 p., 043405.

  Research output: Contribution to journal › Article › peer-review
  53 Citations (Scopus)
• 2008

  Momentum distributions of electrons ejected during ultrashort laser interactions with multielectron atoms described using the R -matrix basis sets

  Van Der Hart, H., Lysaght, M. & Burke, P., 18 Jun 2008, In: Physical Review A. 77, 6, p. 065401 1 p., 065401.

  Research output: Contribution to journal › Article › peer-review
  12 Citations (Scopus)

• On the importance of inner-shell contributions to multiphoton ionization of complex atoms in the VUV regime

  Hamonou, L. & Van Der Hart, H., 28 Jun 2008, In: Journal of Physics B: Atomic Molecular and Optical Physics. 41, 12, p. 121001 1 p., 121001.

  Research output: Contribution to journal › Article › peer-review
  8 Citations (Scopus)

• Two-photon emission of a 2p electron from Ne+ and consequences for sequential double ionization of Ne

  Hamonou, L., Van Der Hart, H., Dunseath, K. M. & Terao-Dunseath, M., 14 Jan 2008, In: Journal of Physics B: Atomic Molecular and Optical Physics. 41, 1, p. 015603 1 p., 015603.

  Research output: Contribution to journal › Article › peer-review
  13 Citations (Scopus)

• Ultrafast Laser-Driven Excitation Dynamics in Ne: An Ab Initio Time-Dependent R-Matrix Approach

  Lysaght, M. A., Burke, P. G. & van Der Hart, H. W., 19 Dec 2008, In: Physical Review Letters. 101, 25, 4 p., 253001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • free electron lasers
  • pulses
  • excitation
  • lasers
  • matrix theory
  33 Citations (Scopus)

  156 Downloads (Pure)
• 2009

  Dynamic resonances and tunnelling in the multiphoton ionization of argon

  Nepstad, R., van Der Hart, H. W. & McCann, J. F., 2009, In: Journal of Physics B: Atomic Molecular and Optical Physics. 42, 14, 8 p., 145603.

  Research output: Contribution to journal › Article › peer-review

  • argon
  • ionization
  • photoelectrons
  • energy distribution
  • bandwidth
  3 Citations (Scopus)

• On the importance of inner-shell processes in two-photon ionization of Ne+

  Hamonou, L., Lysaght, M. & Van Der Hart, H., Dec 2009, In: Journal of Physics: Conference Series. 194, p. 012005 1 p., 012005.

  Research output: Contribution to journal › Article › peer-review

• Signatures of collective electron dynamics in the angular distributions of electrons ejected during ultrashort laser pulse interactions with C^+

  Lysaght, M., Hutchinson, S. & Van Der Hart, H., 15 Sep 2009, In: New Journal of Physics. 11, p. 093014 1 p., 093014.

  Research output: Contribution to journal › Article › peer-review
  17 Citations (Scopus)

• Time-dependent R -matrix theory for ultrafast atomic processes

  Lysaght, M. A., van der Hart, H. W. & Burke, P. G., 13 May 2009, In: Physical Review A (Atomic, Molecular, and Optical Physics). 79, 5, 11 p., 053411.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • matrix theory
  • lasers
  • pulses
  • derivation
  • wave functions
  69 Citations (Scopus)

  301 Downloads (Pure)

• Ultrafast Probing of Collective Electron Dynamics Driven by Dielectronic Repulsion

  Lysaght, M. A., Burke, P. G. & van Der Hart, H. W., 15 May 2009, In: Physical Review Letters. 102, 19, 4 p., 193001.

  Research output: Contribution to journal › Article › peer-review

  Open Access

  File

  • electrons
  • frequency modulation
  • harmonic generations
  • pumps
  • ionization
  25 Citations (Scopus)

  241 Downloads (Pure)