Recherche - Archive ouverte HAL Accéder directement au contenu

Filtrer vos résultats

94 résultats

Quantum Dynamics with a Smolyak scheme: numerical developments and applications

David Lauvergnat , Ahai Chen , Yohann Scribano
GDR NBODY General Meeting, Jan 2022, Toulouse, France
Communication dans un congrès hal-04267847v1

Quantum approach: coordinates, KEO

David Lauvergnat , André Nauts
QDN (Quantum Dynamics Network) IRN launch meeting, Fabien Gatti, Sep 2021, Orsay, France
Communication dans un congrès hal-04267814v1
Image document

Effect of the overall rotation on the cis-trans isomerization of HONO induced by an external field

Matthieu Sala , Fabien Gatti , David Lauvergnat , Hans-Dieter Meyer
Physical Chemistry Chemical Physics, 2012, 14, pp.3791. ⟨10.1039/c2cp23709a⟩
Article dans une revue hal-00672953v1
Image document

Quantum dynamics with curvilinear coordinates: models and kinetic energy operator

Emanuele Marsili , Federica Agostini , André Nauts , David Lauvergnat
Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences, 2022, 380 (2223), ⟨10.1098/rsta.2020.0388⟩
Article dans une revue hal-03799423v1

Wave packet dynamics along bifurcating reaction paths

Benjamin Lasorne , Georges Dive , David Lauvergnat , Michele Desouter-Lecomte
Journal of Chemical Physics, 2003, 118 (13), pp.5831-5840. ⟨10.1063/1.1553978⟩
Article dans une revue hal-01053186v1

On the applicability of a wavefunction-free, energy-based procedure for generating first-order non-adiabatic couplings around conical intersections

Benjamin Gonon , Aurelie Perveaux , Fabien Gatti , David Lauvergnat , Benjamin Lasorne
Journal of Chemical Physics, 2017, 147 (11), pp.114114. ⟨10.1063/1.4991635⟩
Article dans une revue hal-02343838v1

Theoretical spectroscopy of trans-HNNH+ and isotopomers

D. Lauvergnat , M. Hochlaf
Journal of Chemical Physics, 2009, 130, pp.224312
Article dans une revue hal-00769317v1
Image document

Smolyak Scheme for solving the Schrödinger equation: Application to Malonaldehyde in Full Dimensionality

David Lauvergnat , André Nauts
ChemPhysChem, 2023, 24 (21), pp.e202300501. ⟨10.1002/cphc.202300501⟩
Article dans une revue hal-04253314v1

Intramolecular Charge Transfer in 4-Aminobenzonitrile Does Not Need the Twist and May Not Need the Bend

Aurelie Perveaux , Pedro J. Castro , David Lauvergnat , Mar Reguero , Benjamin Lasorne
Journal of Physical Chemistry Letters, 2015, 6 (8), pp.1316-1320. ⟨10.1021/acs.jpclett.5b00162⟩
Article dans une revue hal-01161532v1

Exact Factorization of the Electron-Nuclear Wavefunction: Fundamentals and Algorithms

Lea M. Ibele , Carlotta Pieroni , Francesco Talotta , Basile F. E. Curchod , David Lauvergnat , et al.
Elsevier. Comprehensive Computational Chemistry, 2023, 9780128232569. ⟨10.1016/B978-0-12-821978-2.00030-1⟩
Chapitre d'ouvrage hal-04254497v1

A system-bath separation with Smolyak sparse grid scheme: application to an encapsulated molecule

David Lauvergnat , Ahai Chen , Yohann Scribano
ThéMS 2021, Réunion annuelle du GDR ThéMS, Nov 2021, Toulouse, France
Communication dans un congrès hal-04267851v1

Vertical transition energies vs. absorption maxima: Illustration with the UV absorption spectrum of ethylene

Benjamin Lasorne , Joaquim Jornet-Somoza , Hans-Dieter Meyer , David Lauvergnat , Michael A. Robb , et al.
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy [1994-..], 2014, 119, pp.52. ⟨10.1016/j.saa.2013.04.078⟩
Article dans une revue hal-00905569v1

A generalised 17-state vibronic-coupling Hamiltonian model for ethylene

Joaquim Jornet Somoza , Benjamin Lasorne , Michael A. Robb , Hans-Dieter Meyer , David Lauvergnat , et al.
Journal of Chemical Physics, 2012, 137, pp.084304. ⟨10.1063/1.4745861⟩
Article dans une revue hal-00725502v1

Does cage quantum delocalisation influence the Translation-Rotational bound states of molecular hydrogen in clathrate hydrate?

David Benoit , David Lauvergnat , Yohann Scribano
Faraday Discussions, 2018, 212, pp.533. ⟨10.1039/C8FD00087E⟩
Article dans une revue hal-01801098v1

Multidimensional Photochemistry Model: Application to Aminobenzonitrile and Benzopyran

Aurélie Perveaux , Fabien Gatti , Hans-Dieter Meyer , Benjamin Lasorne , David Lauvergnat , et al.
I. Yamanouchi, S. Cundiff, R. DeVivieRiedle, M. KuwataGonokami, and L. DiMauro. ULTRAFAST PHENOMENA XIX, 162, Springer Verlag, pp.386, 2014, Springer Proceedings in Physics, 978-3-319-13242-6; 978-3-319-13241-9. ⟨10.1007/978-3-319-13242-6_94⟩
Chapitre d'ouvrage hal-01213798v1

Quantum Dynamics with a Smolyak scheme: numerical developments and applications

David Lauvergnat , André Nauts
Recent Developments in Quantum Molecular Dynamics Algorithms and Applications, symposium from the CCE2019, 102e Canadian Conference Chemistry Exhibition, Jun 2019, Québec, Canada
Communication dans un congrès hal-04267828v1

Charge-shift bonding - a class of electron-pair bonds that emerges from valence bond theory and is supported by the electron localization function approach

S. Shaik , D. Danovich , B. Silvi , D.L. Lauvergnat , P.C. Hiberty
Chemistry - A European Journal, 2005, 11 (21), pp.6358-6371
Article dans une revue hal-00126509v1

Vibrationally correlated calculations in polyspherical coordinates: Taylor expansion-based kinetic energy operators

F. Bader , David Lauvergnat , O. Christiansen
Journal of Chemical Physics, 2023, 159 (21), ⟨10.1063/5.0171912⟩
Article dans une revue hal-04321765v1

Full Dimensional (15D) Quantum-Dynamical Simulation of the Protonated Water-Dimer III: Mixed Jacobi-valence parametrization and benchmark results for the zero-point-energy, vibrationally excited states and infrared spectrum.

Oriol Vendrell , Michael Brill , Fabien Gatti , David Lauvergnat , Hans-Dieter Meyer
Journal of Chemical Physics, 2009, pp.234305. ⟨10.1063/1.3152488⟩
Article dans une revue hal-00412641v1

Fast and slow excited-state intramolecular proton transfer in 3-hydroxychromone: A two-state story?

Aurelie Perveaux , Maxime Lorphelin , Benjamin Lasorne , David Lauvergnat
Physical Chemistry Chemical Physics, 2017, 19 (9), pp.6579-6593. ⟨10.1039/C6CP06603H⟩
Article dans une revue hal-01508621v1

Numerical and exact kinetic energy operator using Eckart conditions with one or several reference geometries: Application to HONO

David Lauvergnat , Josep Luis , Bernard Kirtman , Heribert Reis , André Nauts
Journal of Chemical Physics, 2016, 144 (8), pp.084116. ⟨10.1063/1.4942172⟩
Article dans une revue hal-02343848v1
Image document

A generalized vibronic-coupling Hamiltonian for molecules without symmetry: Application to the photoisomerization of benzopyran

Benjamin Gonon , Benjamin Lasorne , Gabriel Karras , Loïc Joubert-Doriol , David Lauvergnat , et al.
Journal of Chemical Physics, 2019, 150 (12), pp.124109. ⟨10.1063/1.5085059⟩
Article dans une revue hal-02108321v1

Automatic computer procedure for generating exact and analytical kinetic energy operators based on the polyspherical approach: General formulation and removal of singularities

Mamadou Ndong , André Nauts , Loic Joubert Doriol , Hans-Dieter Meyer , Fabien Gatti , et al.
Journal of Chemical Physics, 2013, 139, pp.204107. ⟨10.1063/1.4828729⟩
Article dans une revue hal-00910231v1

Quantum approach: coordinates, KEO ...

David Lauvergnat , André Nauts
Extended Software Development Workshop: Quantum Dynamics, Basile Curchod, Jul 2019, Durham, United Kingdom
Communication dans un congrès hal-04267860v1

Vibrational Linear and Nonlinear Optical Properties: Theory, Methods, and Application

Heribert Reis , David Lauvergnat , Josep M. Luis , Robert Zaleśny
Frontiers of Quantum Chemistry, Springer Nature Singapore Pte Ltd., 2018
Chapitre d'ouvrage hal-04130677v1

Automatic computer procedure for generating exact and analytical kinetic energy operators based on the polyspherical approach

Mamadou Ndong , Loic Joubert Doriol , H.-D. Meyer , André Nauts , Fabien Gatti , et al.
Journal of Chemical Physics, 2012, 136, pp.034107. ⟨10.1063/1.3675163⟩
Article dans une revue hal-00660820v1

Attosecond electronic and nuclear quantum photodynamics of ozone: time-dependent Dyson orbitals and dipole

Aurélie Perveaux , David Lauvergnat , Benjamin Lasorne , Fabien Gatti , Michael A. Robb , et al.
Journal of Physics B: Atomic, Molecular and Optical Physics, 2014, 47, pp.124010. ⟨10.1088/0953-4075/47/12/124010⟩
Article dans une revue hal-01004456v1

A simple and efficient evolution operator for time-dependent Hamiltonians: the Taylor expansion

D. Lauvergnat , S. Blasco , X. Chapuisat , A. Nauts
Journal of Chemical Physics, 2007, 126 (20), pp.204101-204110
Article dans une revue hal-00188051v1
Image document

H$_2$, HD and D$_2$ in the small cage of structure II clathrate hydrate: Vibrational frequency shifts from fully coupled quantum six-dimensional calculations of the vibration-translation-rotation eigenstates

David Lauvergnat , Peter Felker , Yohann Scribano , David Benoit , Zlatko Bačić
Journal of Chemical Physics, 2019, 150, pp.154303. ⟨10.1063/1.5090573⟩
Article dans une revue hal-01962172v1

Cumulative reaction probability by constrained dynamics: H transfer in HCN, H2CO, and H3CO

Ezinvi Baloitcha , Benjamin Lasorne , David Lauvergnat , Georges Dive , Yves Justum , et al.
Journal of Chemical Physics, 2002, 117 (2), pp.727-739. ⟨10.1063/1.1481857⟩
Article dans une revue hal-01053175v1