0000000000529332

AUTHOR

Sergey I. Bokarev

showing 2 related works from this author

OpenMolcas: From Source Code to Insight

2019

In this article we describe the OpenMolcas environment and invite the computational chemistry community to collaborate. The open-source project already includes a large number of new developments realized during the transition from the commercial MOLCAS product to the open-source platform. The paper initially describes the technical details of the new software development platform. This is followed by brief presentations of many new methods, implementations, and features of the OpenMolcas program suite. These developments include novel wave function methods such as stochastic complete active space self-consistent field, density matrix renormalization group (DMRG) methods, and hybrid multico…

Wave functionSource codeField (physics)Computer sciencemedia_common.quotation_subjectInterfacesSemiclassical physics010402 general chemistry0601 Biochemistry and Cell Biology01 natural sciencesComputational scienceNOChemical calculationsMathematical methodschemical calculations ; electron correlation ; interfaces ; mathematical methods ; wave function0103 physical sciences0307 Theoretical and Computational ChemistryPhysical and Theoretical ChemistryWave functionWave function Interfaces Chemical calculations Mathematical methods Electron correlationComputingMilieux_MISCELLANEOUSmedia_commonChemical Physics010304 chemical physicsBasis (linear algebra)business.industryDensity matrix renormalization groupElectron correlationSoftware development0803 Computer Software0104 chemical sciencesComputer Science ApplicationsVisualization[CHIM.THEO]Chemical Sciences/Theoretical and/or physical chemistrybusiness
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2p x-ray absorption spectroscopy of 3d transition metal systems

2021

Abstract This review provides an overview of the different methods and computer codes that are used to interpret 2p x-ray absorption spectra of 3d transition metal ions. We first introduce the basic parameters and give an overview of the methods used. We start with the semi-empirical multiplet codes and compare the different codes that are available. A special chapter is devoted to the user friendly interfaces that have been written on the basis of these codes. Next we discuss the first principle codes based on band structure, including a chapter on Density Functional theory based approaches. We also give an overview of the first-principle multiplet codes that start from a cluster calculati…

Quantum chemistry calculationsComputer science02 engineering and technology01 natural sciencesTheoretical physicsAtomic and Molecular Physics0103 physical sciencesTaverneElectronicCluster (physics)Optical and Magnetic MaterialsPhysical and Theoretical ChemistryWave functionElectronic band structureMultipletComputingMilieux_MISCELLANEOUSDensity Functional TheorySpectroscopyX-ray absorption spectroscopy; Density Functional Theory; Quantum chemistry calculationsX-ray absorption spectroscopyRadiation010304 chemical physicsBasis (linear algebra)X-ray absorption spectroscopy021001 nanoscience & nanotechnologyCondensed Matter PhysicsAtomic and Molecular Physics and OpticsElectronic Optical and Magnetic Materials[PHYS.COND.CM-MS]Physics [physics]/Condensed Matter [cond-mat]/Materials Science [cond-mat.mtrl-sci]First principleDensity functional theoryand Optics0210 nano-technologyDen kondenserade materiens fysik
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