What is he best known for?
The fields of study he is best known for:
- Quantum mechanics
- Electron
- Molecule
His primary scientific interests are in Atomic physics, Ionization, Valence, Spectral line and Molecule.
W. von Niessen has included themes like Valence electron, Ab initio, Photoemission spectroscopy, Ionization energy and Molecular orbital in his Atomic physics study.
His studies deal with areas such as Electronic correlation, Excited state, Vibronic coupling, Molecular physics and Electronic structure as well as Ab initio.
His Ionization study often links to related topics such as Electron.
His research in Valence intersects with topics in Core electron, Binding energy, Atomic orbital and Molecular systems.
W. von Niessen interconnects Hydrogen and Excitation in the investigation of issues within Molecule.
His most cited work include:
- Computational methods for the one-particle green's function (757 citations)
- Correlation Effects in the Ionization of Molecules: Breakdown of the Molecular Orbital Picture (405 citations)
- Correlation effects in the ionization of hydrocarbons (189 citations)
What are the main themes of his work throughout his whole career to date?
W. von Niessen mostly deals with Atomic physics, Valence, Ionization, Spectral line and Ionization energy.
His Atomic physics research includes themes of Ab initio, Molecule, Electronic structure, Photoemission spectroscopy and Electron.
The study incorporates disciplines such as Photoionization and Spectrum in addition to Photoemission spectroscopy.
His work deals with themes such as Valence electron, Atomic orbital, Molecular physics, Binding energy and Molecular orbital, which intersect with Valence.
His Electron ionization study, which is part of a larger body of work in Ionization, is frequently linked to Green's function, bridging the gap between disciplines.
His Ionization energy study integrates concerns from other disciplines, such as Ionic bonding, Computational chemistry, Ground state and Electron affinity.
He most often published in these fields:
- Atomic physics (49.58%)
- Valence (42.92%)
- Ionization (39.58%)
What were the highlights of his more recent work (between 1995-2007)?
- Valence (42.92%)
- Atomic physics (49.58%)
- Statistical physics (10.42%)
In recent papers he was focusing on the following fields of study:
His scientific interests lie mostly in Valence, Atomic physics, Statistical physics, Lattice and Anderson localization.
The Valence study combines topics in areas such as Binding energy, Ab initio, Basis set and Ionization energy.
His Atomic physics research is multidisciplinary, relying on both Valence electron, Spectral line, Photoemission spectroscopy, Ionization and Molecule.
His Valence electron study incorporates themes from Spectroscopy, Density functional theory and Atomic orbital.
His research integrates issues of Excited state, Electronic correlation and Synchrotron radiation in his study of Photoemission spectroscopy.
His biological study spans a wide range of topics, including Phase, Oscillation and Nucleation.
Between 1995 and 2007, his most popular works were:
- Correlation Effects in the Ionization of Molecules: Breakdown of the Molecular Orbital Picture (405 citations)
- On the accuracy of ionization potentials calculated by Green’s functions (166 citations)
- An experimental and theoretical study of the valence shell photoelectron spectrum of the benzene molecule (75 citations)
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