Quantum Nanophysics & Molecular Quantum Optics

Our group explores new avenues to prepare and utilize quantum phenomena in complex nanoscale systems, from small molecules and clusters over proteins to large dielectric nanoparticles. Our experiments overlap with aspects of philosophy, when we probe the nature of reality in matter-wave delocalization and tests of quantum linearity. We share methods with physical chemistry and molecular biology in our developments of molecular beam and detection methods for complex organic, biological and dielectric objects, that study a mass range from 100 amu to about 1,000,000 amu. Our focus on biomolecular beams aims at rendering also vitamins, peptides, proteins and DNA strands accessible to advanced quantum delocalization studies. In our lab we have realized three matter-wave experiments that shall allow us to explore new ways of realizing universal beam splitters for quantum experiments with objects in this entire mass range.  This will also open new avenues to quantum assisted metrology and sensing. We explore new aspects of optomechanics in our studies on cavity cooling of dielectric nanoparticles that shall prepare quantum interference experiments in an unprecedented mass range.

QNP News Ticker

  • 27 Apr 2016: Congratulations to Armin Shayeghi. He receives the dissertation award by the TU Darmstadt, where he completed his thesis in chemistry with Prof. Rolf Schäfer, before joining our group.
  • 18 Mar 2016: Congratulations to Nadine Dörre. She completed today her PhD with distinction.
  • 11 Mar 2016: Congratulations to Lukas Mairhofer. He recieves a Doc Award for his PhD in philosophy which he completed in parallel to working on his PhD in physics with us.
  • 20 Jan 2016: Congratulation to Nadine Dörre. She was selected for
    FORBES 30 under 30 in the category Science and Healthcare in Europe.
  • 11 Jan 2016: Congratulations to Ugur Sezer. He was accepted into the High-Potential program "NaturTalente" of the University of Vienna
  • 10 Jan 2016, QNP Research on  Hyperraum TV,
    Quanten-Zauberei, Online TV, first emission
  • 15 Dec 2015: Congratulations to Philipp Geyer for successfully completing his PhD today.

  • 4.Dec 2015: Congratulations to Sandra Eibenberger. She receives the Award of Excellence by the Federal Ministry for Science, Research and Economy.

  • 1 Dec 2015, Welcome Maxime Debiossac, arriving from Laboratoire Aimé Cotton, Orsay to work as a postdoc with us.

  • 23. Nov 2015, Congratulations to Nadine Dörre. She has been awarded the L'Oréal Fellowship for Women in Science.  

  • 5 Nov 2015, We had an inspiring visit to Anton Paar's headquarters in Graz

  • 26 Oct 2015: Brand et al. Ann. Phys. 527, 580 (2015)

  • Oct 2015,
    Sandra Eibenberger receives a FWF Schrödinger Fellowship to work at Harvard University.

  • 2015, Our molecular diffraction experiments discussed in FORBES
  • April 2015, Welcome James Millen, PhD, arriving from UCL London.

  • March 19, 2015: Congratulations to Dr. Sandra Eibenberger, for completing her doctorate with distinction.
  • Jan  2015, Publication by Dörre et al. JOSA B 
  • Jan 2015, Moritz Hambach joins our team from Imperial College London 
  • Dec 19, 2014: Congratulations to Dr. Philipp Schmid!
    for completing his doctorate with distinction.

  • Dec 19, 2014: Congratulations to Dr. Peter Asenbaum.
    for being awarded the Hans-Thirring Prize for his doctoral thesis
  • Dec 10, 2014: Congratulations to Dr. Stefan Nimmrichter for his Award of Excellence for his doctoral thesis  
  • Dec 2014: Congratulations to Dr. Mag. Mag. Lukas Mairhofer !
    for completing his doctorate in philosophy with distinction
  • Dec 2014: Congratulations to Dr. Philipp Haslinger  
    for being
    awarded an FWF Erwin Schrödinger Fellowship
  • Nov 2014: Congratulations to Christian Knobloch, MSc
    for successfully completing his Master degree
  • Publication by Emary et al. Phys. Rev. A 90, 042114-1 (2014)

  • Sept 26, 2014: Congratulations to Dr. Peter Asenbaum for completing his doctorate with distinctions.  
  • Sept 2014, Congratulations to Mag. Sandra Eibenberger's
    oQuS Poster award
  • Aug 2014: Congratulations to Sandra Eibenberger for being awarded the BOLOGNA 2014 Josef Pliva Prize  at the HRMS 23 Conference

  • July 30, 2014: Congratulatons to Ugur Sezer, MSc! He completed his master degree with distinctions. 

  • July 2014: Congratulations to Christian Brand He has been awarded a Feodor Lynen Postdoc Fellowship by the Alexander von Humboldt Foundation 
  • 6-8 July 2014: Group Retreat in Weissenkirchen, productive scientific discussions and real fun.
  • Publication in Phys. Today 67, 30-36, (2014)
    selected for PARITY by the Japanese Editors
  • May 2014: Markus Arndt has been elected as a
    Corresponding Member of the Austrian Academy of Sciences (ÖAW).

  • April 2014: Sandra Eibenberger in a report on ORF ZIB , April 2014

  • Arndt & Hornberger: Insight review in Nature Physics 10, 271-277 (2014)
  • 2014, Stefan Nimmrichter's PhD thesis selected as a
    Springer thesis: 'Recognizing Outstanding Ph.D. Research'

  • 2014 Welcome Stephan Pribitzer from ETH Zürich for a 4 month internship.

  • March 2014: Video Clip on Cavity Cooling by Peter Asenbaum and Stefan Kuhn highlighted in the video gallery of the APS spring meeting.


  • Feb 2014: Congratulations to Nadine Dörre for her SASP 2014 Poster prize
  • Jan 2014: Stefan Gerlich in Atomium Culture

  • Jan 2014: Markus Arndt selected as an Outstanding Referee for the
    APS journals

  • Dec 2013: Nadine Dörre the science magazine 'Falter, Heureka'

  • Dec 6, 2013: Publication in Praxis der Naturwissenschaften 8, 31 - 36 (2013)

  • Dec 4, 2013: Markus Arndt receives the Prize of the City of Vienna 2013 
    for Natural Sciences and Technology.
  • Nov 2013: 4 years after publication Quantum Meets Biology is still the most read article of HFSP journal (article views)

  • Oct 29, 2013: Congratulations to Dr. Stefan Nimmrichter
    for completing his Doctorate with distinction

  • Oct 15, 2012: Welcome Dr. Christian Brandt from the University of Düsseldorf
  • Sept 16, 2013: Music for an optical interferometer
  • Sept 2013: Congratulations to Stefan Kuhn for his CoQuS Poster 
  • Sept 5, 2013: Congratulations to Dr. Michele Sclafani for completing his Doctorate with distinction
  • June 1, 2013, welcome Sasha Sproch, from Franklin W. Olin College of Engineering, Boston/MA

  • June 1, 2013: Welcome Dr. Lisa Wörner, from the MPI for Extraterrestrial Physics in Garching 
  • January 31, 2013, Congratulations to Dr. Thomas Juffmann for completing
    his Doctorate with distinction!

  • December 2012, ERC Advanced Grant awarded to Markus Arndt 
  • April 17, 2012, Feature on SSPD detection in Superconductor Week
  • The 2012 AMMRF micrograph award goes to Thomas Juffmann

  • Publication: Nanotechnology 23, 065501 (2012)

  • Publication: Procedia Computer Science 2011, doi:10.1016/j.procs.2011.12.024
  • November 8, 2011: Proposal for testing GRWP featured in the UK The Telegraph
  • Publication in: Eur. J. Org. Chem., 25 4823 - 4833 (2011)
    Highlighted by ChemistryViews,  ...
  • July 5, 2011: Publication in New J. Phys. 13, 075002 (2011).
  • June 2011: Congratulations to Sandra Eibenberger for her Dr. Maria Schaumayer prize for women in science
  • 11-13.5.2011 ESF meeting on Casimir forces with 20 participants from 7 countries, hosted by QNP
  • April 27, 2011 Publication in Phys. Rev. A 83, 043621 (2011).
  • April 25, 2011 Publication in New J. Phys. 13, 043033 (2011), chosen as 'IOP select'