2021
Functional Tensor-Train Chebyshev Method for Multidimensional Quantum Dynamics Simulations
Soley M, Bergold P, Gorodetsky A, Batista V. Functional Tensor-Train Chebyshev Method for Multidimensional Quantum Dynamics Simulations. Journal Of Chemical Theory And Computation 2021, 18: 25-36. PMID: 34898201, DOI: 10.1021/acs.jctc.1c00941.Peer-Reviewed Original ResearchQuantum dynamics simulationsQuantum dynamicsMultidimensional quantum dynamicsHydrogen-bonded DNA base pairsChebyshev methodQuantum effectsTensor train formatDynamics simulationsElectronic configurationRearrangement of protonsInitial stateTheoretical studyEfficient simulationPropagation schemeDNA base pairsChemical systemsProtonsSimulationsDynamics
2009
Quantum Dynamics of the Excited‐State Intramolecular Proton Transfer in 2‐(2′‐Hydroxyphenyl)benzothiazole
Kim J, Wu Y, Brédas J, Batista V. Quantum Dynamics of the Excited‐State Intramolecular Proton Transfer in 2‐(2′‐Hydroxyphenyl)benzothiazole. Israel Journal Of Chemistry 2009, 49: 187-197. DOI: 10.1560/ijc.49.2.187.Peer-Reviewed Original ResearchReaction dynamicsExcited state intramolecular proton transfer (ESIPT) dynamicsExcited state potential energy surfacesExcited-state reaction dynamicsReaction surface HamiltonianExcited-state intramolecular proton transferUltrafast reaction dynamicsCoherent-state expansionProton transfer dynamicsPotential energy surfaceIntramolecular proton transferQuantum dynamicsTime evolution operatorSurface HamiltonianWave packetsSurvival amplitudeTrotter expansionPolyatomic systemsEnergy surfacePropagation methodProton transferTautomerization reactionExperimental dataFourier transform methodPropagation scheme
2006
Matching-pursuit/split-operator-Fourier-transform simulations of excited-state nonadiabatic quantum dynamics in pyrazine
Chen X, Batista V. Matching-pursuit/split-operator-Fourier-transform simulations of excited-state nonadiabatic quantum dynamics in pyrazine. The Journal Of Chemical Physics 2006, 125: 124313. PMID: 17014180, DOI: 10.1063/1.2356477.Peer-Reviewed Original ResearchConceptsNonadiabatic quantum dynamicsQuantum dynamicsFull-dimensional potential energy surfaceGradient-based optimization methodsSecond-order accuracyTime evolution operatorCoherent-state expansionNonadiabatic reaction dynamicsPhotoabsorption cross sectionsPotential energy surfacePhotoabsorption spectroscopyOrder accuracyTrotter expansionWave packetsReaction dynamicsExact simulationOptimization methodSurvival amplitudeModel HamiltonianPolyatomic systemsEnergy surfaceMultidimensional systemsCross sectionsPropagation schemeBenchmark calculations
2005
Matching-pursuit∕split-operator Fourier-transform simulations of nonadiabatic quantum dynamics
Wu Y, Herman M, Batista V. Matching-pursuit∕split-operator Fourier-transform simulations of nonadiabatic quantum dynamics. The Journal Of Chemical Physics 2005, 122: 114114. PMID: 15836208, DOI: 10.1063/1.1881132.Peer-Reviewed Original ResearchNonadiabatic quantum dynamicsQuantum dynamicsGradient-based optimization methodsStandard perturbation expansionAdiabatic quantum dynamicsNonadiabatic dynamicsTime evolution operatorCoherent state representationCanonical model systemOptimization methodPerturbation expansionMultidimensional systemsNatural extensionPropagation schemeFourier transform methodMatching pursuit algorithmPropagation methodDynamicsSimulationsTesting simulationsAlgorithmOperatorsAccuracyScheme