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20192025
most citedRank-reduced coupled-cluster III. Tensor hypercontraction of the doubles amplitudes

53 citations

Showing physics.chem-phShow all

7 papers · 1 filter

physics.chem-ph2025★ 1 cited

Shadow excited state molecular dynamics with the \DeltaSCF method

O. Jonathan Fajen, Oscar Grånäs, Todd J. Martínez +1

We present an extension of the shadow extended Lagrangian Born-Oppenheimer molecular dynamics (XL-BOMD) method to excited state molecular dynamics (ESMD) in the context of \DeltaSC…

physics.chem-ph2024★ 4 cited

Attosecond Probing of Coherent Vibrational Dynamics in CBr

Jen-Hao Ou, Diptarka Hait, Patrick Rupprecht +3

A coherent vibrational wavepacket is launched and manipulated in the symmetric stretch (a) mode of CBr, by impulsive stimulated Raman scattering from non-resonant 400 nm la…

physics.chem-ph2024★ 18 cited

Extending GPU-Accelerated Gaussian Integrals in the TeraChem Software Package to f Type Orbitals: Implementation and Applications

Yuanheng Wang, Diptarka Hait, K. Grace Johnson +4

The increasing availability of GPUs for scientific computing has prompted interest in accelerating quantum chemical calculations through their use. The complexity of integral kerne…

physics.chem-ph2024★ 15 cited

Prediction of Photodynamics of 200 nm Excited Cyclobutanone with Linear Response Electronic Structure and Ab Initio Multiple Spawning

Diptarka Hait, Dean Lahana, O. Jonathan Fajen +6

Simulations of photochemical reaction dynamics have been a challenge to the theoretical chemistry community for some time. In an effort to determine the predictive character of cur…

physics.chem-ph2023★ 14 cited

Non-adiabatic derivative coupling elements for the coupled cluster singles and doubles model

Eirik F. Kjønstad, Henrik Koch

We present an efficient implementation of analytical non-adiabatic derivative coupling elements for the coupled cluster singles and doubles model. The derivative coupling elements…

physics.chem-ph2021★ 53 cited

Rank-reduced coupled-cluster III. Tensor hypercontraction of the doubles amplitudes

Edward G. Hohenstein, B. Scott Fales, Robert M. Parrish +1

We develop a quartic-scaling implementation of coupled-cluster singles and doubles based on low-rank tensor hypercontraction (THC) factorizations of both the electron repulsion int…