Andreas Hauser

Assoc.Prof. Mag.phil. Dipl.-Ing. Dr.phil. Dr.techn.

19952020
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Research Output 2005 2019

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Conference contribution
2018

A comparison of machine learning algorithms for transition state searches in computational chemistry

Schmuck, K., Meyer, R. & Hauser, A., Sep 2018, 68th Annual Meeting of the Austrian Physical Society. Graz: Verlag der Technischen Universität Graz, p. 101

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Applicability of Neural Network-based Approaches to SCF Initial Guess Generation

Cartus, J. J., Meyer, R. & Hauser, A., Sep 2018, 68th Annual Meeting of the Austrian Physical Society. Graz: Verlag der Technischen Universität Graz, p. 101

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Neural network based embedded atom model potentials for metallic nanoparticles

Meyer, R., Ernst, W. E. & Hauser, A., Sep 2018, 68th Annual Meeting of the Austrian Physical Society. Graz: Verlag der Technischen Universität Graz, p. 27

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

To be or not to be alloyed: The unexpected behaviour of Ni-Au and Co-Au core-shell nanoparticles upon heating

Schnedlitz, M., Knez, D., Meyer, R., Lasserus, M. I., Messner, R., Schiffmann, A., Lackner, F., Hauser, A., Hofer, F. & Ernst, W. E., Sep 2018, 68th Annual Meeting of the Austrian Physical Society. Graz: Verlag der Technischen Universität Graz, p. 82

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2017

In situ studies of high-purity mono- and bimetallic nanostructures in experiment and simulation

Knez, D., Schnedlitz, M., Lasserus, M. I., Kothleitner, G., Hauser, A., Ernst, W. E. & Hofer, F., 2017, ASEM. p. 47

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

2015

A quantum chemistry study of the Na3 ground state: tunneling, fine and hyperfine structure in a classical jahn-teller system

Hauser, A., Pototschnig, J. V. & Ernst, W., 2015, The Twenty-fourth Colloquium on High Resolution Molecular Spectroscopy. ., p. 346-346

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Helium droplets as nanolabs for cluster growth and ultracold chemistry

Hauser, A. & Ernst, W., 2015, "Molecules in Motion”, Molim Cost Action. ., p. 1-1

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Identification of excited states in alkali – alkaline earth molecules by combination of theory and experiment

Pototschnig, J. V., Lackner, F., Hauser, A. & Ernst, W., 2015, Gemeinsame Jahrestagung (ÖPG und SPS) in Wien. ., p. 81-81

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Motion of dopants in He-nanodroplets: Challenges and opportunities of a spacial confinement for cluster growth and cold chemistry

Hauser, A., Pototschnig, J. V., Ratschek, M. & Ernst, W., 2015, QFC2015. ., p. online-online

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Sign changes in the electric dipole moment of excited states in rubidium-alkaline earth diatomic molecules

Pototschnig, J. V., Lackner, F., Hauser, A. & Ernst, W., 2015, ISMS / 70th International Symposium on Molecular Spectroscopy. ., p. 215-215

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Spectroscopic accuracy in quantum chemistry: a benchmark study on Na3

Hauser, A., Pototschnig, J. V. & Ernst, W., 2015, ISMS / 70th International Symposium on Molecular Spectroscopy. ., p. 217-217

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Vortex Assisted Growth of Metallic Nanowires in Superfluid Helium Droplets

Volk, A., Thaler, P., Hauser, A., Knez, D., Grogger, W., Hofer, F. & Ernst, W., 2015, Gemeinsame Jahrestagung (ÖPG und SPS) in Wien. ., p. 50-50

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2014

Chromium on superfluid Helium nanodroplets: Theoretical investigation of the ground state and selected excited states

Ratschek, M., Pototschnig, J. V., Hauser, A. & Ernst, W., 2014, 64. Jahrestagung der Österreichischen Physikalischen Gesellschaft / Echophysics-Pöllau. ., p. 17-17

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Heterogeneous catalysis on subnanometer- sized Pt alloys: Performance predictions for the conversion of propane to propene.

Hauser, A., Head-Gordon, M. & Bell, A. T., 2014, Proceedings of the 20 1 4 International Conference on Computational and Mathematical Methods in Science and Engineering: CMMSE Computational and Mathematical Methods in Science and Engineering. Vigo-Aguiar, J. (ed.). p. 704-708

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2012

Quantum chemical studies of Cr atoms on superfluid He nanodroplets

Pototschnig, J. V., Ratschek, M., Hauser, A., Koch, M. & Ernst, W., 2012, 62nd Annual Meeting / Austrian Physical Society. ., p. 81-81

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

The calculation of ESR line shifts of alkali-metal atoms (Li, Na, K, Rb) on helium nanodroplets

Hauser, A., Gruber, T. & Ernst, W., 2012, 62nd Annual Meeting / Austrian Physical Society. ., p. 75-75

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

The Jahn-Teller effect and spin-orbit coupling in alkali trimers: Spectroscopic experiments and ab initio calculations

Hauser, A., Callegari, C. & Ernst, W. E., 1 Dec 2012, International Conference of Computational Methods in Sciences and Engineering 2009, ICCMSE 2009. Vol. 1504. p. 483-486 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2011

Femtosecond Spectroscopy of Alkali (K,Rb) Trimers and Picosecond Spectroscopy of RbHe Exciplexes Formed on He Nanodroplets

Giese, C., Grüner, B., Mullins, T., Weidemüller, M., Stienkemeier, F., Mudrich, M., Hauser, A. & Ernst, W., 2011, Helium Nanodroplets - Confinement for Cold Molecules and Cold Chemistry. ., p. 27-27

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

High-Spin States of Heavy Alkali Trimers

Auböck, G., Hauser, A. & Ernst, W., 2011, Gemeinsame Jahrestagung der Schweizerischen und Österreichischen Physikalischen Gesellschaft. ., p. 125-125

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2010

Ab Initio Spin Densities of Small Alkali-Metal Doped Helium Droplets

Gruber, T., Hauser, A. & Ernst, W., 2010, 60th Annual Meeting Austrian Physical Society. ., p. 49-49

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Accidental conical intersections in mixed trimers of potassium and rubidium: A vibronic analysis of the 44B2 and 34A1 states

Hauser, A., Auböck, G., Callegari, C. & Ernst, W., 2010, 65th International Symposium on Molecular Spectroscopy. ., p. 210-210

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Femtosecond spectroscopy of alkali trimers on helium nanodroplets

Giese, C., Grüner, B., Fechner, L., Mudrich, M., Stienkemeier, F., Hauser, A. & Ernst, W., 2010, 65th International Symposium on Molecular Spectroscopy. ., p. 210-210

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2009

Relativistic Jahn-Teller effects in the quartet states of K3 and Rb3: A vibrational analysis of the 24E´ - 14A2´ electronic transitions based on ab initio calculations

Hauser, A., Auböck, G., Callegari, C. & Ernst, W., 2009, 64 th OSU International Symposium on Molecular Spectroscopy. ., p. 213-213

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Relativistic Jahn-Teller effects in the quartet states of K3 and Rb3: Experimental and theoretical investigations

Auböck, G., Hauser, A., Callegari, C. & Ernst, W., 2009, Europhysics conference abstracts 33c. ., Vol. 33C. p. 208-208

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2008

A Jahn-Teller analysis of K3 and Rb3 in the electronic states 12E and 12E´´

Ernst, W., Hauser, A., Callegari, C. & Pavel, S., 2008, Congress of the International Society for Theoretical Chemical Physics. ., p. 87-87

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Alkali trimers on He nandroplets: Ab initio calculations, shell models and laser spectroscopy

Nagl, J., Auböck, G., Hauser, A., Allard, O., Callegari, C. & Ernst, W., 2008, International Workshop on Quantum Systems in Chemistry and Physics. ., p. 1-1

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Atomic-like shell models for alkali trimers derived from ab initio calculations

Hauser, A., Callegari, C., Ernst, W. & Soldan, P., 2008, Europhysics Conference Abstracts 32 E. ., p. 179-179

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Quartet alkali trimers on He nandroplets: Laser spectroscopy and ab inito calculations

Auböck, G., Nagl, J., Hauser, A., Callegari, C., Ernst, W. & Allard, O., 2008, Europhysics conference abstracts 32 E. ., p. 109-109

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The spectroscopy of alkali trimers on cold helium droplets: Formation of quartet states, their assignment and Jahn-Teller analysis

Auböck, G., Nagl, J., Hauser, A., Callegari, C. & Ernst, W., 2008, International Symposium on the Jahn-Teller-Effect. ., p. 6-6

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Wide-range visible spectroscopy on high-spin alkali trimers on helium droplets and interpretation of their electronic structure

Hauser, A., Nagl, J., Auböck, G., Callegari, C., Ernst, W. & Allard, O., 2008, International Symposium on Molecular Spectroscopy. ., p. 3-3

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2007

Ab initio electronic structure calculations of homo- and heteronuclear alkali trimers

Hauser, A., Auböck, G., Nagl, J., Callegari, C. & Ernst, W., 2007, Jahrestagung der Österreichischen Physikalischen Gesellschaft. ., p. 27-28

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Electronic spectroscopy on van der Waals-bound alkali trimers on He nanodroplets

Nagl, J., Auböck, G., Hauser, A., Allard, O., Callegari, C. & Ernst, W., 2007, Jahrestagung der Österreichischen Physikalischen Gesellschaft. ., p. 28-28

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2006

Beam Depletion Spectra of K Atoms Attached to Ar Clusters: Experimental Measurements and Quantum Chemistry Calculations

Nagl, J., Hauser, A., Callegari, C. & Ernst, W., 2006, 56. Jahrestagung der Österreichischen Physikalischen Gesellschaft. ., p. 27-28

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Beam Depletion Spectra of K Atoms Attached to Ar Clusters: Experimental Measurements and Quantum Chemistry Calculations

Nagl, J., Hauser, A., Callegari, C. & Ernst, W., 2006, International Symposium on Molecular Spectroscopy. ., p. 153-153

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review