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19932026
most citedQuantum Computation with Quantum Dots

6.9k citations

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111 papers · 1 filter

physics.chem-ph2024★ 3 cited

Noise Tolerant Force Calculations in Density Functional Theory: A Surface Integral Approach for Wavelet-Based Methods

Moritz Gubler, Jonas A. Finkler, Stig Rune Jensen +2

We introduce a method for computing quantum mechanical forces through surface integrals over the stress tensor within the framework of density functional theory. This approach avoi…

physics.chem-ph2024★ 19 cited

Accuracy of Charge Densities in Electronic Structure Calculations

Moritz Gubler, Moritz R. Schäfer, Jörg Behler +1

Accurate charge densities are essential for reliable electronic structure calculations because they significantly impact predictions of various chemical properties and in particula…

physics.chem-ph2024★ 1 cited

Energy Relaxation of NO in Gaseous, Supercritical and Liquid Xenon and SF

Kai Töpfer, Shyamsunder Erramilli, Lawrence D. Ziegler +1

Rotational and vibrational energy relaxation (RER and VER) of NO embedded in xenon and SF environments ranging from the gas phase to the liquid, including the supercritical…

physics.chem-ph2024★ 5 cited

Feshbach Resonances in Cold Collisions: Benchmarking State of the Art ab initio Potential Energy Surfaces

Karl P. Horn, Meenu Upadhyay, Baruch Margulis +4

High-quality potential energy surfaces (PES) are a prerequisite for quantitative atomistic simulations, with both quantum and classical dynamics approaches. The ultimate test for t…

physics.chem-ph2024★ 10 cited

Force Fields for Deep Eutectic Mixtures: Application to Structure and 2D-Infrared Spectroscopy

Kai Töpfer, Eric Boittier, Michael Devereux +3

Parametrizing energy functions for ionic systems can be challenging. Here, the total energy function for an eutectic system consisting of water, SCN, K and acetamide is imp…

physics.chem-ph2024★ 3 cited

Rotational-state-selected Carbon Astrochemistry

Jutta Toscano

The addition of individual quanta of rotational excitation to a molecule has been shown to markedly change its reactivity by significantly modifying the intermolecular interactions…

physics.chem-ph2023

Improving Potential Energy Surfaces Using Experimental Feshbach Resonance Tomography

Karl P. Horn, Luis Itza Vazquez-Salazar, Christiane P. Koch +1

The structure and dynamics of a molecular system is governed by its potential energy surface (PES), representing the total energy as a function of the nuclear coordinates. Obtainin…

physics.chem-ph2023★ 30 cited

PhysNet Meets CHARMM: A Framework for Routine Machine Learning / Molecular Mechanics Simulations

Kaisheng Song, Silvan Käser, Kai Töpfer +2

Full dimensional potential energy surfaces (PESs) based on machine learning (ML) techniques provide means for accurate and efficient molecular simulations in the gas- and condensed…

physics.chem-ph2023★ 11 cited

Conformational and state-specific effects in reactions of 2,3-dibromobutadiene with Coulomb-crystallized calcium ions

Ardita Kilaj, Silvan Käser, Jia Wang +7

Recent advances in experimental methodology enabled studies of the quantum-state and conformational dependence of chemical reactions under precisely controlled conditions in the ga…

physics.chem-ph2023★ 23 cited

Transfer-Learned Potential Energy Surfaces: Towards Microsecond-Scale Molecular Dynamics Simulations in the Gas Phase at CCSD(T) Quality

Silvan Käser, Markus Meuwly

The rise of machine learning has greatly influenced the field of computational chemistry, and that of atomistic molecular dynamics simulations in particular. One of its most exciti…

physics.chem-ph2023★ 9 cited

Molecular-Level Understanding of the Ro-vibrational Spectra of NO in Gaseous, Supercritical and Liquid SF and Xe

Kai Töpfer, Debasish Koner, Shyamsunder Erramilli +2

The transition between the gas-, supercritical-, and liquid-phase behaviour is a fascinating topic which still lacks molecular-level understanding. Recent ultrafast two-dimensional…

physics.chem-ph2022★ 10 cited

Interaction at a Distance: Xenon Migration in Mb

Haydar Taylan Turan, Eric Boittier, Markus Meuwly

The transport of ligands, such as NO or O, through internal cavities is essential for the function of globular proteins, including hemoglobin, myoglobin (Mb), neuroglobin, trun…

physics.chem-ph2022★ 134 cited

Neural Network Potentials for Chemistry: Concepts, Applications and Prospects

Silvan Käser, Luis Itza Vazquez-Salazar, Markus Meuwly +1

Artificial Neural Networks (ANN) are already heavily involved in methods and applications for frequent tasks in the field of computational chemistry such as representation of poten…

physics.chem-ph2022★ 10 cited

Ion loss events in a cold Rb-Ca hybrid trap: photodissociation, black-body radiation and non-radiative charge exchange

Xiaodong Xing, Humberto da Silva, Romain Vexiau +3

We theoretically investigate the collisional dynamics of laser-cooled Rb ground-state atoms and Ca ground-state ions in the context of the hybrid trap experiment…

physics.chem-ph2022★ 9 cited

Combining Machine Learning and Spectroscopy to Model Reactive Atom + Diatom Collisions

Juan Carlos San Vicente Veliz, Julian Arnold, Raymond J. Bemish +1

The prediction of product translational, vibrational, and rotational energy distributions for arbitrary initial conditions for reactive atom+diatom collisions is of considerable pr…

physics.chem-ph2022★ 76 cited

Structure, Organization and Heterogeneity of Water-Containing Deep Eutectic Solvents

Kai Töpfer, Andrea Pasti, Anuradha Das +6

The spectroscopy and structural dynamics of a deep eutectic mixture (KSCN/acetamide) with varying water content is investigated from 2D IR (with the C-N stretch vibration of the SC…

physics.chem-ph2022★ 8 cited

Quantum and Quasi-classical Dynamics of the C(P) + O() CO()+ O(D) Reaction on Its Electronic Ground State

Sugata Goswami, Juan Carlos San Vicente Veliz, Meenu Upadhyay +2

The dynamics of the C(P) + O() CO()+ O(D) reaction on its electronic ground state is investigated by using time-dependent wa…

physics.chem-ph2022★ 16 cited

GPU-Accelerated Approximate Kernel Method for Quantum Machine Learning

Nicholas J. Browning, Felix A. Faber, O. Anatole von Lilienfeld

Conventional kernel-based machine learning models for ab initio potential energy surfaces, while accurate and convenient in small data regimes, suffer immense computational cost as…

physics.chem-ph2022

Quantitative Molecular Simulations

K. Töpfer, M. Upadhyay, M. Meuwly

All-atom simulations can provide molecular-level insights into the dynamics of gas-phase, condensed-phase and surface processes. One important requirement is a sufficiently realist…

physics.chem-ph2022★ 17 cited

Ab initio machine learning of phase space averages

Jan Weinreich, Dominik Lemm, Guido Falk von Rudorff +1

Equilibrium structures determine material properties and biochemical functions. We propose to machine learn phase-space averages, conventionally obtained by {\em ab initio} or forc…

physics.chem-ph2022★ 14 cited

Alchemical geometry relaxation

Giorgio Domenichini, O. Anatole von Lilienfeld

We propose to relax geometries throughout chemical compound space (CCS) using alchemical perturbation density functional theory (APDFT). APDFT refers to perturbation theory involvi…

physics.chem-ph2022★ 5 cited

Photodissociation dynamics of N

Sarbani Patra, Juan Carlos San Vicente Veliz, Debasish Koner +2

The photodissociation dynamics of N excited from its ground to the first excited singlet and triplet states is investigated. Three dimensional potential en…

physics.chem-ph2021★ 25 cited

An orbital-based representation for accurate Quantum Machine Learning

Konstantin Karandashev, O. Anatole von Lilienfeld

We introduce an electronic structure based representation for quantum machine learning (QML) of electronic properties throughout chemical compound space. The representation is cons…

physics.chem-ph2021★ 23 cited

Machine Learning Product State Distributions from Initial Reactant States for a Reactive Atom-Diatom Collision System

Julian Arnold, Juan Carlos San Vicente Veliz, Debasish Koner +3

A machine learned (ML) model for predicting product state distributions from specific initial states (state-to-distribution or STD) for reactive atom-diatom collisions is presented…