Steven Hoekstra

Research webpage

Publications


Here you can find information on preprints, refereed papers and PhD Theses from the group.

Pathway to cool hot molecules


Steven Hoekstra

Nature Physics, News & views, 2024


Preprints


Prospects for measuring the electron's electric dipole moment with polyatomic molecules in an optical lattice


Roman Bause, Nithesh Balasubramanian, Ties Fikkers, Eifion H. Prinsen, Kees Steinebach, Arian Jadbabaie, Nicholas R. Hutzler, I. Agustín Aucar, Lukáš F. Pašteka, Anastasia Borschevsky, Steven Hoekstra

arXiv:2411.00441, 2024


Electric dipole moments and the search for new physics


Ricardo Alarcon, et al

arXiv:2203.08103, 2022


Refereed papers


A method to determine the phase-space distribution of a pulsed molecular beam


Maarten C Mooij, Hendrick L Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Ties H Fikkers, Steven Hoekstra, Joost W F van Hofslot, Klaus Jungmann, Virginia R Marshall, Thomas B Meijknecht, Rob G E Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann, (NL-eEDM collaboration)

J. Phys. B: At. Mol. Opt. Phys., vol. 58, 2025, p. 015303


Manipulating a beam of barium fluoride molecules using an electrostatic hexapole


Anno Touwen, Joost W.F. van Hofslot, Thijs Qualm, Richard Borchers, Roman Bause, Hendrick L. Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Ties H. Fikkers, Steven Hoekstra, Klaus Jungmann, Virginia R. Marshall, Thomas B. Meijknecht, Maarten C. Mooij, Rob G.E. Timmermans, Wim Ubachs, Lorenz Willmann

New Journal of Physics, vol. 26, 2024, p. 073054


Spin-precession method for sensitive electric dipole moment searches


A. Boeschoten, V. R. Marshall, T. B. Meijknecht, A. Touwen, H. L. Bethlem, A. Borschevsky, S. Hoekstra, J. W. F. van Hofslot, K. Jungmann, M. C. Mooij, R. G. E. Timmermans, W. Ubachs, L. Willmann

Phys.Rev.A, vol. 110, arXiv:2303.06402, 2024, pp. L010801


Opportunities for Fundamental Physics Research with Radioactive Molecules


Gordon Arrowsmith-Kron, Michail Athanasakis-Kaklamanakis, Mia Au, Jochen Ballof, Robert Berger, Anastasia Borschevsky, Alexander A. Breier, Fritz Buchinger, Dmitry Budker, Luke Caldwell, Christopher Charles, Nike Dattani, Ruben P. de Groote, David DeMille, Timo Dickel, Jacek Dobaczewski, Christoph E. Düllmann, Ephraim Eliav, Jon Engel, Mingyu Fan, Victor Flambaum, Kieran T. Flanagan, Alyssa Gaiser, Ronald Garcia Ruiz, Konstantin Gaul, Thomas F. Giesen, Jacinda Ginges, Alexander Gottberg, Gerald Gwinner, Reinhard Heinke, Steven Hoekstra, Jason D. Holt, Nicholas R. Hutzler, Andrew Jayich, Jonas Karthein, Kyle G. Leach, Kirk Madison, Stephan Malbrunot-Ettenauer, Takayuki Miyagi, Iain D. Moore, Scott Moroch, Petr Navrátil, Witold Nazarewicz, Gerda Neyens, Eric Norrgard, Nicholas Nusgart, Lukáš F. Pašteka, Alexander N. Petrov, Wolfgang Plass, Roy A. Ready, Moritz Pascal Reiter, Mikael Reponen, Sebastian Rothe, Marianna Safronova, Christoph Scheidenberger, Andrea Shindler, Jaideep T. Singh, Leonid V. Skripnikov, Anatoly V. Titov, Silviu-Marian Udrescu, Shane G. Wilkins, Xiaofei Yang

Reports on Progress in Physics, vol. 87, 2024, p. 084301


P,T-odd effects in YbCu, YbAg and YbAu


Johan David Polet, Yuly Chamorro, Lukáš F. Pašteka, Steven Hoekstra, Michał Tomza, Anastasia Borschevsky, Agustín Aucar

Journal of Chemical Physics, vol. 161(23), 2024, p. 234302


Influence of source parameters on the longitudinal phase-space distribution of a pulsed cryogenic beam of barium fluoride molecules


M C Mooij, H L Bethlem, A Boeschoten, A Borschevsky, K Esajas, T H Fikkers, S Hoekstra, J W F van Hofslot, K Jungmann, V R Marshall, T B Meijknecht, R G E Timmermans, A Touwen, W Ubachs, L Willmann, Y Yin.

New Journal of Physics, vol. 26, 2024, p. 053009


Mass and Shape Determination of Optically Levitated Nanoparticles


Bart Schellenberg, Mina Morshed Behbahani, Nithesh Balasubramanian, Ties H. Fikkers, Steven Hoekstra

Applied Physics Letters, vol. 123(11), 2023


Impacts of Problem-Based Instruction on Students’ Beliefs about Physics and Learning Physics


May Lee, Cormac Larkin, Steven Hoekstra

Education Sciences, vol. 13, 2023, p. 321


Benchmarking of the Fock-space coupled-cluster method and uncertainty estimation: Magnetic hyperfine interaction in the excited state of BaF


The NL-eEDM collaboration:, Malika Denis, Pi A B Haase, Maarten C Mooij, Yuly Chamorro, Parul Aggarwal, Hendrick L Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Kevin Esajas, Yongliang Hao, Steven Hoekstra, Joost W F van Hofslot, Virginia R Marshall, Thomas B Meijknecht, Rob G E Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann, Yanning Yin

Physical Review A, vol. 105(5), 2022, p. 052811


Molecular enhancement factors for the P,T-violating electric dipole moment of the electron in BaCH_3 and YbCH_3 symmetric top molecules


Yuly Chamorro, Anastasia Borschevsky, Ephraim Eliav, Nicholas R. Hutzler, Steven Hoekstra, Lukas F. Pasteka

Phys. Rev. A, vol. 106(5), 2022 Nov, p. 052811


A supersonic laser ablation beam source with narrow velocity spreads


P. Aggarwal, H. L. Bethlem, A. Boeschoten, A. Borschevsky, K. Esajas, Y. Hao, S. Hoekstra, K. Jungmann, V. R. Marshall, T. B. Meijknecht, M. C. Mooij, R. G. E. Timmermans, A. Touwen, W. Ubachs, L. Willmann, Y. Yin, A. Zapara

Review of Scientific Instruments, vol. 92, 2021, p. 033202


Deceleration and Trapping of SrF Molecules


P. Aggarwal, Y. Yin, K. Esajas, H. L. Bethlem, A. Boeschoten, A. Borschevsky, S. Hoekstra, K. Jungmann, V. R. Marshall, T. B. Meijknecht, M. C. Mooij, R. G. E. Timmermans, A. Touwen, W. Ubachs, L. Willmann

Physical Review Letters, vol. 127, 2021, p. 173201


Systematic study and uncertainty evaluation of P, T-odd molecular enhancement factors in BaF


Pi A B Haase, Diewertje J Doeglas, Alexander Boeschoten, Ephraim Eliav, Miroslav Iliaš, Parul Aggarwal, H L Bethlem, Anastasia Borschevsky, Kevin Esajas, Yongliang Hao, Steven Hoekstra, Virginia R Marshall, Thomas B Meijknecht, Maarten C Mooij, Kees Steinebach, Rob G E Timmermans, Anno P Touwen, Wim Ubachs, Lorenz Willmann, Yanning Yin, (NL-eEDM Collaboration)

The Journal of Chemical Physics, vol. 155, 2021, p. 034309


Mesoscopic interference for metric and curvature & gravitational wave detection


Ryan James Marshman, Anupam Mazumdar, Gavin Morley, Peter F Barker, Steven Hoekstra, Sougato Bose

New Journal of Physics, vol. 22(8), 2020 May 23


Lifetime measurements of the A 2Π1/2 and A 2Π3/2 states in BaF


P Aggarwal, V R Marshall, H L Bethlem, A Boeschoten, A Borschevsky, M Denis, K Esajas, Y Hao, S Hoekstra, K Jungmann, T B Meijknecht, M C Mooij, R G E Timmermans, A Touwen, W Ubachs, S M Vermeulen, L Willmann, Y Yin, A Zapara, NL-eEDM Collaboration

Physical Review A, vol. 100, 2019, p. 052503


High accuracy theoretical investigations of CaF, SrF, and BaF and implications for laser-cooling.


Yongliang Hao, Lukáš F. Pašteka, Lucas Visscher, Parul Aggarwal, Hendrick L. Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Malika Denis, Kevin Esajas, Steven Hoekstra, Klaus Jungmann, Virginia R. Marshall, Thomas B. Meijknecht, Maarten C. Mooij, Rob G. E. Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann, Yanning Yin, Artem Zapara

Journal of Chemical Physics, vol. 151(3), 2019 Jun 15, p. 034302


Measuring the electric dipole moment of the electron in BaF


The NL-eEDM collaboration:, Parul Aggarwal, Hendrick L Bethlem, Anastasia Borschevsky, Malika Denis, Kevin Esajas, Pi A B Haase, Yongliang Hao, Steven Hoekstra, Klaus Jungmann, Thomas B Meijknecht, Maarten C Mooij, Rob G E Timmermans, Wim Ubachs, Lorenz Willmann, Artem Zapara

The European Physical Journal D, vol. 72, 2018, p. 197


Deceleration of a Supersonic Beam of SrF Molecules to 120 m s−1


Sreekanth C. Mathavan, Artem Zapara, Quinten Esajas, Steven Hoekstra

ChemPhysChem, vol. 17, 2016 Oct, pp. 3709--3713


Double resonant absorption measurement of acetylene symmetric vibrational states probed with cavity ring down spectroscopy


Juho Karhu, Janko Nauta, Markku Mikael Vainio, Markus Ilari Metsälä, Steven Hoekstra, Lauri Olavi Halonen

Journal of Chemical Physics, vol. 144(24), 2016 May 22


Near edge X-ray absorption mass spectrometry on coronene


G. Reitsma, L. Boschman, M. J. Deuzeman, S. Hoekstra, R. Hoekstra, T. Schlathölter

The Journal of Chemical Physics, vol. 142, 2015 Jan, p. 024308


Preparation of an ultra-cold sample of ammonia molecules for precision measurements


Marina Quintero-Pérez, Thomas E. Wall, Steven Hoekstra, Hendrick L. Bethlem

Journal of Molecular Spectroscopy, vol. 300, 2014, pp. 112--115


Deexcitation Dynamics of Superhydrogenated Polycyclic Aromatic Hydrocarbon Cations after Soft-x-Ray Absorption


G. Reitsma, L. Boschman, M. J. Deuzeman, O. González-Magaña, S. Hoekstra, S. Cazaux, R. Hoekstra, T. Schlathölter

Physical Review Letters, vol. 113(5), 2014 Jul 1


Traveling-wave deceleration of SrF molecules


J.E. van den Berg, Sreekanth Chirayath Mathavan, C. Meinema, Janko Nauta, T. H. Nijbroek, Klaus-Peter Jungmann, H. L. Bethlem, Steven Hoekstra

Journal of Molecular Spectroscopy, vol. 300, 2014 May 1, pp. 22-25


Ra+ ion trapping: toward an atomic parity violation measurement and an optical clock


M. Nuñez Portela, E. A. Dijck, A. Mohanty, H. Bekker, J. E. van den Berg, G. S. Giri, S. Hoekstra, C. J. G. Onderwater, S. Schlesser, R. G. E. Timmermans, Oscar Versolato, L. Willmann, H. W. Wilschut, K. Jungmann

Applied Physics B, vol. 114, 2014 1, pp. 173-182


Static Trapping of Polar Molecules in a Traveling Wave Decelerator


Marina Quintero-Perez, Paul Jansen, Thomas E. Wall, Joost E. van den Berg, Steven Hoekstra, Hendrick L. Bethlem

Physical Review Letters, vol. 110(13), 2013 Feb 27


Laser-cooled RaF as a promising candidate to measure molecular parity violation


T. A. Isaev, Steven Hoekstra, R. Berger

Physical Review A, vol. 82(5), 2010 Oct 24


Reflection of OH molecules from magnetic mirrors


Markus Metsälä, Joop J Gilijamse, Steven Hoekstra, Sebastiaan Y T van de Meerakker, Gerard Meijer

New Journal of Physics, vol. 10(5), 2008 Apr 14


Electrostatic trapping of metastable NH molecules


Steven Hoekstra, Markus Metsälä, Peter C. Zieger, Ludwig Scharfenberg, Joop Jelte Gilijamse, Gerard Meijer, Sebastiaan Y. T. van de Meerakker

Physical Review A, vol. 76(6), 2007 Nov 27


The radiative lifetime of metastable CO (a (3)Pi, v=0)


Joop Jelte Gilijamse, Steven Hoekstra, Samuel A. Meek, Markus Metsälä, Sebastiaan Y. T. van de Meerakker, Gerard Meijer, Gerrit C. Groenenboom

Journal of Chemical Physics, vol. 127(22), 2007 Nov 14, pp. 221102-221104


Optical pumping of trapped neutral molecules by blackbody radiation.


Steven Hoekstra, Joop J. Gilijamse, Boris Sartakov, Nicolas Vanhaecke, Ludwig Scharfenberg, Sebastiaan Y. T. van de Meerakker, Gerard Meijer

Physical Review Letters, vol. 98(13), 2007 Feb 30


Near-threshold inelastic collisions using molecular beams with a tunable velocity


Joop J. Gilijamse, Steven Hoekstra, Sebastiaan Y. T. van de Meerakker, Gerrit C. Groenenboom, Gerard Meijer

Science, vol. 313(5793), 2006 Aug 15, pp. 1617-1620


PhD theses