What is he best known for?
The fields of study he is best known for:
- Quantum mechanics
- Molecule
- Electron
His primary scientific interests are in Atomic physics, Potential energy surface, Potential energy, Ab initio and Diatomic molecule.
António J. C. Varandas combines subjects such as van der Waals force, Molecule, Ab initio quantum chemistry methods, Triatomic molecule and Dissociation with his study of Atomic physics.
António J. C. Varandas has researched Potential energy surface in several fields, including Electronic correlation, Physical chemistry, Thermodynamics, Reaction rate constant and Ground state.
António J. C. Varandas has included themes like Intersection, Geometry, Atom, Electronic structure and Polyatomic ion in his Potential energy study.
His studies deal with areas such as Thermal, Inelastic scattering, Beam, Basis set and Stationary point as well as Ab initio.
His research in Diatomic molecule intersects with topics in Inorganic compound, Zero-point energy and Van der Waals molecule.
His most cited work include:
- A double many‐body expansion of the two lowest‐energy potential surfaces and nonadiabatic coupling for H3 (325 citations)
- A double many‐body expansion of the two lowest‐energy potential surfaces and nonadiabatic coupling for H3 (325 citations)
- Recalibration of a single-valued double many-body expansion potential energy surface for ground-state hydroperoxy and dynamics calculations for the oxygen atom + hydroxyl .fwdarw. oxygen + hydrogen atom reaction (214 citations)
What are the main themes of his work throughout his whole career to date?
António J. C. Varandas mostly deals with Atomic physics, Potential energy surface, Ab initio, Potential energy and Basis set.
His work deals with themes such as Molecule, Ab initio quantum chemistry methods, Diatomic molecule and Dissociation, which intersect with Atomic physics.
His work carried out in the field of Potential energy surface brings together such families of science as Adiabatic process, Thermodynamics, Reaction rate constant, Molecular physics and Ground state.
His Ab initio study also includes
- Stationary point that intertwine with fields like Maxima and minima,
- Energy, which have a strong connection to Function.
His biological study spans a wide range of topics, including Quantum dynamics, Computational chemistry, van der Waals force and Triatomic molecule.
His research integrates issues of Basis, Electronic correlation and Extrapolation in his study of Basis set.
He most often published in these fields:
- Atomic physics (54.67%)
- Potential energy surface (50.00%)
- Ab initio (31.54%)
What were the highlights of his more recent work (between 2013-2021)?
- Potential energy surface (50.00%)
- Atomic physics (54.67%)
- Basis set (24.77%)
In recent papers he was focusing on the following fields of study:
António J. C. Varandas spends much of his time researching Potential energy surface, Atomic physics, Basis set, Ab initio and Extrapolation.
His Potential energy surface research incorporates themes from Range, Computational physics, Reaction rate constant, Potential energy and Ground state.
His Atomic physics research includes themes of Quantum dynamics and Molecule, Ab initio quantum chemistry methods.
His Basis set research is multidisciplinary, incorporating elements of Ion, Solvent effects, Triplet state and Thermodynamics.
His Ab initio research incorporates elements of Jahn–Teller effect, Molecular physics, Conical surface and Stationary point.
His studies in Extrapolation integrate themes in fields like Electronic correlation, Statistical physics, Coupled cluster, Limit and Density functional theory.
Between 2013 and 2021, his most popular works were:
- Narrowing the error in electron correlation calculations by basis set re-hierarchization and use of the unified singlet and triplet electron-pair extrapolation scheme: application to a test set of 106 systems. (56 citations)
- Narrowing the error in electron correlation calculations by basis set re-hierarchization and use of the unified singlet and triplet electron-pair extrapolation scheme: application to a test set of 106 systems. (56 citations)
- Straightening the Hierarchical Staircase for Basis Set Extrapolations: A Low-Cost Approach to High-Accuracy Computational Chemistry. (33 citations)
In his most recent research, the most cited papers focused on:
- Quantum mechanics
- Molecule
- Electron
Atomic physics, Extrapolation, Basis set, Basis and Potential energy surface are his primary areas of study.
The Atomic physics study combines topics in areas such as Quantum dynamics and Ab initio.
The concepts of his Ab initio study are interwoven with issues in Hydrogen and Molecule.
His Extrapolation study integrates concerns from other disciplines, such as Electronic correlation and Limit.
While the research belongs to areas of Basis, António J. C. Varandas spends his time largely on the problem of Statistical physics, intersecting his research to questions surrounding Perturbation theory and Energy.
The study incorporates disciplines such as Range, Translational energy, Ab initio quantum chemistry methods, Atmospheric reactions and Reaction rate constant in addition to Potential energy surface.
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