Publications

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Peer-reviewed publications

• Magnetic flux threading a planar holed superconductor
  Jaume Cunill-Subiranas, Natanael Bort-Soldevila, Nuria Del-Valle, and Carles Navau
  Phys. Rev. B 111, 174530 (2025)
• Kerr enhanced optomechanical cooling in the unresolved sideband regime
  N. Diaz-Naufal, L. Deeg, D. Zoepfl, C. M. F. Schneider, M. L. Juan, G. Kirchmair, A. Metelmann
  Phys. Rev. A 111, 053505 (2025), ArXiv version
• Optomechanical Backaction in the Bistable Regime
  L. F. Deeg, D. Zoepfl, N. Diaz-Naufal, M. L. Juan, A. Metelmann, G. Kirchmair
  Phys. Rev. Applied 23, 014082 (2025), ArXiv version, data on zenodo
• Superconducting flip-chip devices using indium microspheres on Au-passivated Nb or NbN as under-bump metallization layer
  Achintya Paradkar, Paul Nicaise, Karim Dakroury, Fabian Resare, Witlef Wieczorek
  Appl. Phys. Lett. 126, 022601 (2025), ArXiv version, data on zenodo
• Modelling magnetically-levitated superconducting ellipsoids, cylinders and cuboids for quantum magnetomechanics
  Natanael Bort-Soldevila, Jaume Cunill-Subiranas, Nuria Del-Valle, Witlef Wieczorek, Gerard Higgins, Michael Trupke, Carles Navau
  Phys. Rev. Research 6, 043046 (2024), arXiv version, data on zenodo
• Remote sensing of a levitated superconductor with a flux-tunable microwave cavity
  Philip Schmidt, Remi Claessen, Gerard Higgins, Joachim Hofer, Jannek J. Hansen, Peter Asenbaum, Martin Zemlicka, Kevin Uhl, Reinhold Kleiner, Rudolf Gross, Hans Huebl, Michael Trupke, and Markus Aspelmeyer
  Phys. Rev. Applied 22, 014078 (2024), arXiv version, data on zenodo.
• High-Q magnetic levitation and control of superconducting microspheres at millikelvin temperatures
  Joachim Hofer, Rudolf Gross, Gerard Higgins, Hans Huebl, Oliver F. Kieler, Reinhold Kleiner, Dieter Koelle, Philip Schmidt, Joshua A. Slater, Michael Trupke, Kevin Uhl, Thomas Weimann, Witlef Wieczorek, Markus Aspelmeyer,
  Phys. Rev. Lett. 131, 043603 (2023), arXiv version, data on zenodo
• Superconducting microsphere magnetically levitated in an anharmonic potential with integrated magnetic readout
  Martí Gutierrez Latorre, Gerard Higgins, Achintya Paradkar, Thilo Bauch, Witlef Wieczorek,
  Phys. Rev. Applied 19, 054047 (2023) [Editor’s suggestion]
  see also Highlighted as a Research update in physicsworld, arXiv version, data on zenodo
• Surface acoustic wave resonators on thin film piezoelectric substrates in the quantum regime
  Thomas Luschmann, Alexander Jung, Stephan Geprägs, Franz X Haslbeck, Achim Marx, Stefan Filipp, Simon Gröblacher, Rudolf Gross and Hans Huebl
  Materials for Quantum Technology  3, 021001 (2023), arXiv version, data on zenodo
• Kerr Enhanced Backaction Cooling in Magnetomechanics
  D. Zoepfl, M. L. Juan, N. Diaz-Naufal, C. M. F. Schneider, L. F. Deeg, A. Sharafiev, A. Metelmann, and G. Kirchmair
  Phys. Rev. Lett. 130, 033601 (2023) [Editor’s suggestion], see also Physics synopsis, arXiv version, data on zenodo, News article and publication,

Preprint articles