Steven Hoekstra


Curriculum vitae


[email protected]


Van Swinderen Institute

University of Groningen

Feringa Building
Nijenborgh 3, 9747 AG, Groningen



Steven Hoekstra


Contact

Steven Hoekstra


Curriculum vitae


[email protected]


Van Swinderen Institute

University of Groningen

Feringa Building
Nijenborgh 3, 9747 AG, Groningen




I am an experimental physicist specialised in the development and application of precision measurement techniques to explore the limits of particle physics. In my group we perform experiments with small quantum systems (atoms, ions, molecules) and nanoparticles. The main tools we use to study these particles are lasers, and external electric and magnetic fields. The experiments we do are typically in a very well controlled environment, shielded from all unwanted background. By doing this, the subtle effects of quantum physics become visible, and we can use these atoms, ions, molecules and nanoparticles for a range of exciting experiments. 
😀
[August 2024] There is currently a vacancy for a postdoc and a PhD student in our group. Contact me if you are interest to talk about possibilities!

Projects




NL-eEDM


Our research program to measure the electron's electric dipole moment using a cold, slow and intense beam of BaF molecules




Levitated nanospheres


We optically levitate and cool nanospheres, to explore their use as sensitive sensors.

Publications


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


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


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


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Courses



Courses


Electricity and Magnetism

1st year physics, applied physics and astronomy

I have taught this course from 2017-2023. The number of students has grown gradually, to about 340 students in 2022-2023.


Waves and Optics

2nd year physics, applied physics and astronomy

I have started teaching this course in 2019, and I have transformed it from traditional teaching to problem-based learning. Typically about 190 students take this course.


From small to large to life

For honours college students of FSE.

I have given this course in 2019-2021. for about 25 students, twice a year.


The Quantum World

3rd year broadening minor - university wide.

This is a course on quantum physics for non-physics students, part of the broadening minor 'Einstein's Physics: Space-time and Parallel Worlds'. About ~ 150 students take this course.



General


Educational philosphy statement

For the Senior teaching qualification program in which I was enrolled in 2022-2023, I have developed an educational philosophy statement, which you can find through the link below.



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Theses


Media

Our work in the media

Our work in the media

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