Alexandra Viel CNRS Senior Researcher

Présentation

Researcher ID : A-7894-2008

Membre du Quantum Dynamics Network (QDN)

Accès alternatif à ma production scientifique

Publications

Article dans une revue (58)

Electronic quenching of sulfur induced by argon collisions David M. G. Williams,Nicole Weike,Manuel Lara,Kevin Dunseath,Alexandra Viel Physical Chemistry Chemical Physics, 2025, 27 (7), pp.3722-3731. ⟨10.1039/D4CP04586F⟩ Article dans une revue hal-04907815v2
Quasi-infinite order vibronic coupling expansions with neural networks for linear systems: the C$_4$H radical David M. G. Williams,Alexandra Viel The Journal of Chemical Physics, 2025, 163 (2), pp.024136-1-10. ⟨10.1063/5.0272604⟩ Article dans une revue hal-05092956v1
Line shape parameters of the first pure rotational R lines of CO in H$_2$ baths down to a few kelvins Franck Thibault,Alexandra Viel,Kevin Dunseath,Magnus Gustafsson The Journal of Chemical Physics, 2025, 163 (13), pp.134303. ⟨10.1063/5.0287396⟩ Article dans une revue hal-05251059v1
Universal diabatic representation of operators using C$_{nv}$/D$_{nh}$ symmetry - I. General derivation Jean Paul Nshuti,David M. G. Williams,Alexandra Viel The Journal of Chemical Physics, 2025, 163 (3), pp.034112-1-12. ⟨10.1063/5.0278678⟩ Article dans une revue hal-05115228v1
Line shape parameters of the first pure rotational R lines of CO in helium baths down to a few kelvins Franck Thibault,Alexandra Viel,Kevin Dunseath,Magnus Gustafsson The Journal of Chemical Physics, 2025, 162 (9), pp.094305-1-15. ⟨10.1063/5.0253846⟩ Article dans une revue hal-04953342v1
Revisiting the rovibrational (de-)excitation of molecular hydrogen by helium Hubert Jóźwiak,Franck Thibault,Alexandra Viel,Piotr Wcisło,François Lique Astronomy & Astrophysics - A&A, 2024, 685, pp.A113-1-8. ⟨10.1051/0004-6361/202348645⟩ Article dans une revue hal-04476329v2
Hydrogen - iodine scattering: II. Rovibronic analysis and collisional dynamics Nicole Weike,Wolfgang Eisfeld,Kevin Dunseath,Alexandra Viel The Journal of Chemical Physics, 2024, 161 (1), pp.014302-1-18. ⟨10.1063/5.0219156⟩ Article dans une revue hal-04604258v2
Measurements and calculations of collisional line parameters for Raman lines of CO perturbed by H$_{2}$ Franck Thibault,Denis Paredes-Roibas,Alexandra Viel,Raul Z. Martinez Journal of Quantitative Spectroscopy and Radiative Transfer, 2024, 315, pp.108874. ⟨10.1016/j.jqsrt.2023.108874⟩ Article dans une revue hal-04346731v1
2500 vibronic eigenstates of the NO$_3$ radical Henrik Larsson,Alexandra Viel Physical Chemistry Chemical Physics, 2024, 26 (37), pp.24506-24523. ⟨10.1039/D4CP02653E⟩ Article dans une revue hal-04677533v1
Simulation of argon induced coupling coefficients of NH$_3$ doublets and their speed dependence Franck Thibault,Alexandra Viel,Christian Boulet Journal of Quantitative Spectroscopy and Radiative Transfer, 2023, 296, pp.108453-1-12. ⟨10.1016/j.jqsrt.2022.108453⟩ Article dans une revue hal-03880274v1
Hydrogen - iodine scattering: I. Development of an accurate spin-orbit coupled diabatic potential energy model Nicole Weike,Alexandra Viel,Wolfgang Eisfeld The Journal of Chemical Physics, 2023, 159 (24), pp.244119-1-13. ⟨10.1063/5.0186787⟩ Article dans une revue hal-04325112v1
Simulation of the photodetachment spectra of the nitrate anion (NO3-) in the B 2E' energy range and non-adiabatic electronic population dynamics of NO3 David M. G. Williams,Wolfgang Eisfeld,Alexandra Viel Physical Chemistry Chemical Physics, 2022, 24 (40), pp.24706-24713. ⟨10.1039/D2CP02873E⟩ Article dans une revue hal-03740299v1
Accurate quantum dynamics simulation of the photodetachment spectrum of the nitrate anion (NO3−) based on an artificial neural network diabatic potential model Alexandra Viel,David M. G. Williams,Wolfgang Eisfeld The Journal of Chemical Physics, 2021, 154 (8), pp.084302. ⟨10.1063/5.0039503⟩ Article dans une revue hal-03149863v1
Subpercent agreement between ab initio and experimental collision-induced line shapes of carbon monoxide perturbed by argon Grzegorz Kowzan,Hubert Cybulski,Piotr Wcisło,Michał Słowiński,Alexandra Vielet al. Physical Review A, 2020, 102 (1), pp.012821. ⟨10.1103/PhysRevA.102.012821⟩ Article dans une revue hal-02908662v1
Fully quantum calculations of the line-shape parameters for the Hartmann-Tran profile: a CO-Ar case study Grzegorz Kowzan,Piotr Wcisło,Michał Słowiński,Piotr Masłowski,Alexandra Vielet al. Journal of Quantitative Spectroscopy and Radiative Transfer, 2020, 243, pp.106803-1-13. ⟨10.1016/j.jqsrt.2019.106803⟩ Article dans une revue hal-02415292v2
Large amplitude motion within acetylene–rare gas complexes hosted in helium droplets Marc Briant,Alexandra Viel,Ephriem Mengesha,Marc-André Gaveau,Benoît Soepet al. Physical Chemistry Chemical Physics, 2019, 21 (3), pp.1038-1045. ⟨10.1039/C8CP04609C⟩ Article dans une revue hal-02443742v1
Diabatic neural network potentials for accurate vibronic quantum dynamics -The test case of planar NO3 David M. G. Williams,Wolfgang Eisfeld,Alexandra Viel The Journal of Chemical Physics, 2019, 151 (16), pp.164118. ⟨10.1063/1.5125851⟩ Article dans une revue hal-02317939v1
Quantum dynamics and geometric phase in E ⊗ e Jahn-Teller systems with general Cnv symmetry Thomas Weike,David M. G. Williams,Alexandra Viel,Wolfgang Eisfeld The Journal of Chemical Physics, 2019, 151 (7), pp.074302. ⟨10.1063/1.5115396⟩ Article dans une revue hal-02267828v1
NO3 full-dimensional potential energy surfaces and ground state vibrational levels revisited Alexandra Viel,Wolfgang Eisfeld Chemical Physics, 2018, 509, pp.81-90. ⟨10.1016/j.chemphys.2018.01.003⟩ Article dans une revue hal-01725478v1
Vibronic eigenstates and the geometric phase effect in the 2 E″ state of NO 3 Wolfgang Eisfeld,Alexandra Viel The Journal of Chemical Physics, 2017, 146 (3), pp.034303. ⟨10.1063/1.4973983⟩ Article dans une revue hal-01438322v1
Application of the spectral element method to the solution of the multichannel Schroedinger equation Andrea Simoni,Alexandra Viel,Jean-Michel Launay The Journal of Chemical Physics, 2017, 146 (24), pp.244106-1-9. ⟨10.1063/1.4987026⟩ Article dans une revue hal-01551686v1
Feshbach resonances and weakly bound molecular states of boson-boson and boson-fermion NaK pairs Alexandra Viel,Andrea Simoni Physical Review A : Atomic, molecular, and optical physics [1990-2015], 2016, 93 (4), pp.042701. ⟨10.1103/PhysRevA.93.042701⟩ Article dans une revue hal-01298490v1
LiHe spectra from brown dwarfs to helium clusters Nicole F. Allard,Akira Nakayama,Frank Stienkemeier,John F. Kielkopf,Grégoire Guillonet al. Advances in Space Research, 2014, 54, pp.1290-1296. ⟨10.1016/j.asr.2013.08.032⟩ Article dans une revue hal-00876511v1
Low temperature rate coefficients for vibrational relaxation of 3Σ+u Rb2 molecules by 3He and 4He atoms Alexandra Viel,Jean-Michel Launay Journal of Physical Chemistry A, 2014, 118 (33), pp.6529-6535. ⟨10.1021/jp503086b⟩ Article dans une revue hal-00988039v1
Full-dimensional diabatic potential energy surfaces including dissociation: The 2E″ state of NO3 Wolfgang Eisfeld,Olivier Vieuxmaire,Alexandra Viel The Journal of Chemical Physics, 2014, 140, pp.224109. ⟨10.1063/1.4879655⟩ Article dans une revue hal-01015469v1
Full dimension Rb2He ground triplet potential energy surface and quantum scattering calculations Grégoire Guillon,Alexandra Viel,Jean-Michel Launay The Journal of Chemical Physics, 2012, 136 (17), pp.174307. ⟨10.1063/1.4709433⟩ Article dans une revue hal-00909240v1
Excited Li and Na in He(n): influence of the dimer potential energy curves. David Dell'Angelo,Grégoire Guillon,Alexandra Viel The Journal of Chemical Physics, 2012, 136 (11), pp.114308. ⟨10.1063/1.3693766⟩ Article dans une revue hal-00909448v1
Theoretical study of Rb2 in He(N): potential energy surface and Monte Carlo simulations. Grégoire Guillon,Alexandre Zanchet,Markku Leino,Alexandra Viel,Robert E Zillich Journal of Physical Chemistry A, 2011, 115 (25), pp.6918-6926. ⟨10.1021/jp112053b⟩ Article dans une revue hal-00700162v1
Electronically excited rubidium atom in helium clusters and films. II. Second excited state and absorption spectrum Markku Leino,Alexandra Viel,Robert E. Zillich The Journal of Chemical Physics, 2011, 134 (2), pp.024316. ⟨10.1063/1.3528936⟩ Article dans une revue hal-00711625v1
Multiconfigurational time-dependent Hartree calculations for tunneling splittings of vibrational states: Theoretical considerations and application to malonaldehyde Thorsten Hammer,Maurício D. Coutinho-Neto,Alexandra Viel,Uwe Manthe The Journal of Chemical Physics, 2009, 131 (22), pp.4109-1-13. ⟨10.1063/1.3272610⟩ Article dans une revue hal-00667038v1
Electronically excited rubidium atom in a helium cluster or film. Markku Leino,Alexandra Viel,Robert E. Zillich The Journal of Chemical Physics, 2008, 129 (18), pp.184308. ⟨10.1063/1.3009279⟩ Article dans une revue hal-00675262v1
Linewidths of C2H2 perturbed by H2: experiments and calculations from an ab initio potential Franck Thibault,Benoît Corretja,Alexandra Viel,Dionisio Bermejo,Raúl Z. Martínezet al. Physical Chemistry Chemical Physics, 2008, 10 (35), pp.5419-5428. ⟨10.1039/b804306j⟩ Article dans une revue hal-01118793v1
Photoionization-induced dynamics of the ammonia cation studied by wave packet calculations using curvilinear coordinates Alexandra Viel,Wolfgang Eisfeld,Christian R. Evenhuis,Uwe Manthe Chemical Physics, 2008, 347 (1-3), pp.331-339. ⟨10.1016/j.chemphys.2007.10.001⟩ Article dans une revue hal-01118801v1
The ground state tunneling splitting and the zero point energy of malonaldehyde: A quantum Monte Carlo determination Alexandra Viel,Maurício D. Coutinho-Neto,Uwe Manthe The Journal of Chemical Physics, 2007, 126 (2), pp.024308. ⟨10.1063/1.2406074⟩ Article dans une revue hal-00908276v1
Blueshift and intramolecular tunneling of NH[sub 3] umbrella mode in [sup 4]He[sub n] clusters Alexandra Viel,K. Birgitta Whaley,Richard J. Wheatley The Journal of Chemical Physics, 2007, 127 (19), pp.194303-1-15. ⟨10.1063/1.2787004⟩ Article dans une revue hal-00908202v1
Photoionization-induced dynamics of ammonia: Ab initio potential energy surfaces and time-dependent wave packet calculations for the ammonia cation Alexandra Viel,Wolfgang Eisfeld,Stefanie Neumann,Wolfgang Domcke,Uwe Manthe The Journal of Chemical Physics, 2006, 124 (21), pp.214306. ⟨10.1063/1.2202316⟩ Article dans une revue hal-01118375v1
Fragmentation dynamics of ionized neon clusters (Ne[sub n],n=3–14) embedded in helium nanodroplets David Bonhommeau,Nadine Halberstadt,Alexandra Viel The Journal of Chemical Physics, 2006, 124 (2), pp.024328. ⟨10.1063/1.2158993⟩ Article dans une revue hal-01118372v1
Fragmentation dynamics of argon clusters (Ar[sub n], n=2 to 11) following electron-impact ionization: Modeling and comparison with experiment David Bonhommeau,Nadine Halberstadt,Alexandra Viel The Journal of Chemical Physics, 2006, 124 (18), pp.184314. ⟨10.1063/1.2194552⟩ Article dans une revue hal-01118374v1
Modelization of the fragmentation dynamics of krypton clusters (Kr[sub n],n=2–11) following electron impact ionization David Bonhommeau,Thomas Bouissou,Nadine Halberstadt,Alexandra Viel The Journal of Chemical Physics, 2006, 124 (16), pp.164308. ⟨10.1063/1.2186645⟩ Article dans une revue hal-01118373v1
Dissociative ionization of neon clusters Ne[sub n], n=3 to 14: A realistic multisurface dynamical study David Bonhommeau,Alexandra Viel,Nadine Halberstadt The Journal of Chemical Physics, 2005, 123 (5), pp.054316. ⟨10.1063/1.1953530⟩ Article dans une revue hal-01118371v1
Higher order (A+E)⊗e pseudo-Jahn–Teller coupling Wolfgang Eisfeld,Alexandra Viel The Journal of Chemical Physics, 2005, 122 (20), pp.204317. ⟨10.1063/1.1904594⟩ Article dans une revue hal-01118370v1
Fragmentation dynamics of ionized neon trimer inside helium nanodroplets: A theoretical study David Bonhommeau,Alexandra Viel,Nadine Halberstadt The Journal of Chemical Physics, 2004, 120 (24), pp.11359-11362. ⟨10.1063/1.1763567⟩ Article dans une revue hal-01118368v1
Effects of higher order Jahn-Teller coupling on the nuclear dynamics Alexandra Viel,Wolfgang Eisfeld The Journal of Chemical Physics, 2004, 120 (10), pp.4603-4613. ⟨10.1063/1.1646371⟩ Article dans une revue hal-01118365v1
The ground state tunneling splitting of malonaldehyde: Accurate full dimensional quantum dynamics calculations Maurício D. Coutinho-Neto,Alexandra Viel,Uwe Manthe The Journal of Chemical Physics, 2004, 121 (19), pp.9207-9210. ⟨10.1063/1.1814356⟩ Article dans une revue hal-01118369v1
Photoinduced dynamics of ethene in the N, V, and Z valence states: A six-dimensional nonadiabatic quantum dynamics investigation Alexandra Viel,Robert P. Krawczyk,Uwe Manthe,Wolfgang Domcke The Journal of Chemical Physics, 2004, 120 (23), pp.11000-11010. ⟨10.1063/1.1740696⟩ Article dans une revue hal-01118367v1
Effects of molecular rotation on densities in doped [sup 4]He clusters Mehul V. Patel,Alexandra Viel,Francesco Paesani,Patrick Huang,K. Birgitta Whaley The Journal of Chemical Physics, 2003, 118 (11), pp.5011-5027. ⟨10.1063/1.1545106⟩ Article dans une revue hal-01118297v1
The Sudden-Polarization Effect and its Role in the Ultrafast Photochemistry of Ethene Alexandra Viel,Robert P. Krawczyk,Uwe Manthe,Wolfgang Domcke Angewandte Chemie International Edition, 2003, 42 (29), pp.3434-3436. ⟨10.1002/anie.200351193⟩ Article dans une revue istex hal-01118363v1
Structure and spectroscopy of doped helium clusters using quantum Monte Carlo techniques Alexandra Viel,K. Birgitta Whaley International Journal of Modern Physics B, 2003, 17 (28), pp.5267-5277. ⟨10.1142/S0217979203020405⟩ Article dans une revue hal-01118364v1
Photoinduced dynamics of the valence states of ethene: A six-dimensional potential-energy surface of three electronic states with several conical intersections Robert P. Krawczyk,Alexandra Viel,Uwe Manthe,Wolfgang Domcke The Journal of Chemical Physics, 2003, 119 (3), pp.1397-1411. ⟨10.1063/1.1580092⟩ Article dans une revue hal-01118362v1
Transition from Molecular Complex to Quantum Solvation in 4HeNOCS Francesco Paesani,Alexandra Viel,Franco Gianturco,K. Birgitta Whaley Physical Review Letters, 2003, 90 (7), pp.073401. ⟨10.1103/PhysRevLett.90.073401⟩ Article dans une revue hal-01118305v1
Importance sampling in rigid body diffusion Monte Carlo Alexandra Viel,Mehul V. Patel,Parhat Niyaz,K.Birgitta Whaley Computer Physics Communications, 2002, 145 (1), pp.24-47. ⟨10.1016/S0010-4655(02)00145-5⟩ Article dans une revue hal-01118243v1
Theoretical study of the unusual potential energy curve of the A [sup 1]Σ[sup +] state of AgH Henryk A. Witek,Dmitri G. Fedorov,Kimihiko Hirao,Alexandra Viel,Per-Olof Widmark The Journal of Chemical Physics, 2002, 116 (19), pp.8396-8406. ⟨10.1063/1.1465403⟩ Article dans une revue hal-01118248v1
Quantum structure and rotational dynamics of HCN in helium clusters Alexandra Viel,K. Birgitta Whaley The Journal of Chemical Physics, 2001, 115 (22), pp.10186-10198. ⟨10.1063/1.1407270⟩ Article dans une revue hal-01118230v1
The Jacobi–Wilson method: A new approach to the description of polyatomic molecules Claude Leforestier,Alexandra Viel,Fabien Gatti,Claudio Muñoz,Christophe Iung The Journal of Chemical Physics, 2001, 114 (5), pp.2099-2105. ⟨10.1063/1.1337048⟩ Article dans une revue hal-01118225v1
Parallel implementation of a pseudo-spectral calculation of molecular energy levels: Application to the water dimer (H O) Philip Eggert,Alexandra Viel,Claude Leforestier Computer Physics Communications, 2000, 128 (1-2), pp.315-325. ⟨10.1016/S0010-4655(99)00518-4⟩ Article dans une revue istex hal-01117858v1
Six-dimensional calculation of the vibrational spectrum of the HFCO molecule Alexandra Viel,Claude Leforestier The Journal of Chemical Physics, 2000, 112 (3), pp.1212-1220. ⟨10.1063/1.480674⟩ Article dans une revue hal-01117857v1
Vector parametrization of the N-atom problem in quantum mechanics with non-orthogonal coordinates Christophe Iung,Fabien Gatti,Alexandra Viel,Xavier Chapuisat Physical Chemistry Chemical Physics, 1999, 1 (15), pp.3377-3385. ⟨10.1039/a903466h⟩ Article dans une revue istex hal-01117507v1
Quantum mechanical calculation of the rate constant for the reaction H+O[sub 2]→OH+O Alexandra Viel,Claude Leforestier,William H. Miller The Journal of Chemical Physics, 1998, 108 (9), pp.3489-3497. ⟨10.1063/1.475776⟩ Article dans une revue hal-01117492v1

Proceedings/Recueil des communications (6)

A quantum study of argon induced line mixing in ammonia doublets Franck Thibault,Alexandra Viel,Christian Boulet 25th International Conference on Spectral Line Shapes, Journal of Physics: Conference Series, 2439 (1), pp.012008, 2023, ⟨10.1088/1742-6596/2439/1/012008⟩ Proceedings/Recueil des communications hal-03996763v1
Temperature dependence of sodium and ionized calcium resonance lines perturbed by helium Nicole F. Allard,Derek Homeier,Grégoire Guillon,Alexandra Viel,John Kielkopf XXII International Conference on Spectral Line Shapes 2014, 548, pp.012006, 2014, the proceedings of the XXII International Conference on Spectral Line Shapes (ICSLS 2014)., ⟨10.1088/1742-6596/548/1/012006⟩ Proceedings/Recueil des communications hal-01088957v1
Multi Dimensional Quantum Dynamics Maurício D. Coutinho-Neto,Alexandra Viel,Uwe Manthe High performance computing in science and engineering, Munich 2004 : Transactions of the Second Joint HLRB and KONWIHR Status and Result Workshop, 2004, The Proceedings of the Second Joint HLRB and KONWIHR Result and Reviewing Workshop Proceedings/Recueil des communications hal-01118859v1
Efficient implementation of the projection Operator Imaginary Time Spectral Evolution (POITSE) method for excited state Patrick Huang,Alexandra Viel,K. Birgitta Whaley The Proceedings of the 11th International Conference on Recent Progress in Many-Body Theories, 6, pp.293-302, 2002, Advances in Quantum Many-Body Theory Proceedings/Recueil des communications hal-01118853v1
Structure and spectroscopy of doped helium clusters using Monte Carlo techniques Alexandra Viel,K. Birgitta Whaley The Proceedings of the 11th International Conference on Recent Progress in Many-Body Theories, 6, pp.293-302, 2002, Advances in Quantum Many-Body Theory Proceedings/Recueil des communications hal-01119877v1
Adiabatic Contraction of Molecular Bases Alexandra Viel,Claude Leforestier Rovibrational Bound States in Polyatomic Molecules, 1999, Rovibrational Bound States in Polyatomic Molecules, 9780952273667 Proceedings/Recueil des communications hal-01118848v1