Mag. Dr. Wolfgang Niedenzu

PostDoc

Room: 4S23 ITP
Phone: +43 512 507 52215
Email: Wolfgang.Niedenzu[at]uibk.ac.at

Research group: Cavity Quantum Electrodynamics

More Information

  • FLD Research Documentation

    Publications 2019

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Colella, E.; Ostermann, S.; Niedenzu, W.; Mivehvar, F.; Ritsch, H. (2019): Antiferromagnetic self-ordering of a Fermi gas in a ring cavity.
      In: New Journal of Physics 21, No. 043019. (DOI) (Web link)

    • Dag, C.B.; Niedenzu, W.; Ozaydin, F.; Müstecapliogliu, Ö.E.; Kurizki, G. (2019): Temperature Control in Dissipative Cavities by Entangled Dimers.
      In: The Journal of Physical Chemistry Part C: Nanomaterials, Interfaces and Hard Matter 123/7, pp. 4035 - 4043. (DOI) (Web link)

    • Niedenzu, W.; Huber, M.; Boukobza E. (2019): Concepts of work in autonomous quantum heat engines.
      In: Quantum. (DOI) (Web link)



    Publications 2018

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Ghosh, A.; Gelbwaser-Klimovsky, D.; Niedenzu, W.; Lvovsky, A.I.; Mazets, I.; Scully, M.O.; Kurizki, G. (2018): Two-level masers as heat-to-work converters.
      In: Proceedings of the National Academy of Sciences 115/40, pp. 9941 - 9944. (DOI) (Web link)

    • Niedenzu, W.; Kurizki, G. (2018): Cooperative many-body enhancement of quantum thermal machine power.
      In: New Journal of Physics 20, No. 113038. (DOI) (Web link)

    Other Publications

    Electronic Publication, Scientific
    • Ghosh, A.; Mukherjee, V.; Niedenzu, W.; Kurizki, G. (2018): Are quantum thermodynamic machines better than classical? (Web link)

    • Ghosh, A..; Niedenzu, W.; Mukherjee, V.; Kurizki, G. (2018): Thermodynamic principles and implementations of quantum machines. (Web link)

    • Manatuly, A.; Niedenzu, W.; Roman-Ancheyta., R.; Cakmak, B.; Müstecaplioglu, Ö.E.; Kurizki, G. (2018): Collectively-enhanced thermalization via multi-qubit collisions. (Web link)



    Lectures 2018

    Presentations at Conferences, Symposia, etc.

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W.: Cooperative many-body enhancement of quantum thermal machine power.
      44th SFB meeting FoQus, Wien, 2018-12-13. (Web link)

    Poster Presentation
    • Lecturer(s): Colella, E. Co-author(s): Ostermann, St.; Niedenzu, W.; Mivehvar, F.; Ritsch, H.: Spontaneous cavity-mediated antiferromagnetism.
      44th SFB meeting FoQus, Wien, 2018-12-13. (Web link)

    • Lecturer(s): Colella, E. Co-author(s): Ostermann, St.; Niedenzu, W.; Mivehvar, F.; Rtisch, H.: Spontaneous cavity-mediated antiferromagnetism in a two-component Fermi gas.
      Quantum Phases of Fermions in Optical Lattices: The Low-Temperature Frontier (ITAMP 2018), Boston, 2018-10-09. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Niedenzu, W.: Quantum heat engines.
      Theoriekolloquium des Instituts für Theoretische Physik, Innsbruck, 2018-05-16.



    Publications 2015

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Sandner, R.; Niedenzu, W.; Piazza, F.; Ritsch, H. (2015): Self-ordered stationary states of driven quantum degenerate gases in optical resonators.
      In: Europhysics Letters 111/5, No. 53001. (DOI) (Web link)

    • Winterauer, D.; Niedenzu, W.; Ritsch, H. (2015): Multistable particle-field dynamics in cavity-generated optical lattices.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 91, No. 053829. (DOI) (Web link)



    Lectures 2014

    Presentations at Conferences, Symposia, etc.

    Poster Presentation
    • Lecturer(s): Niedenzu, W. Co-author(s): Griesser, T.; Ritsch, H.: Kinetic theory of cavity cooling and self-organisation of a cold gas.
      2014 COST meeting on Fundamental Problems in Quantum Physics, Rehovot, 2014-03-24. (Web link)

    • Lecturer(s): Sandner, R. Co-author(s): Niedenzu, W.; Ritsch, H.: Numerical Simulations of Ultracold Quantum Particles.
      CCQED Final meeting, Aarhus, 2014-10-29. (Web link)



    Publications 2013

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Niedenzu, W.; Schütz, S.; Habibian, H.; Morigi, G.; Ritsch, H. (2013): Seeding patterns for self-organization of photons and atoms.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 88, No. 033830. (DOI) (Web link)

    • Sandner, R.; Niedenzu, W.; Ritsch, H. (2013): Subrecoil cavity cooling towards degeneracy: A numerical study.
      In: Europhysics Letters 104/4, No. 43001. (DOI) (Web link)



    Lectures 2013

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Niedenzu, W.: Seeding patterns for self-organisation of photons and atoms.
      Long-range interactions in the ultracold, Stuttgart, 2013-09-04. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W.: Self-organisation of cold atoms in optical resonators.
      Seminar "Quantum and classical models for computing, control and learning", Innsbruck, 2013-06-06.

    Poster Presentation
    • Lecturer(s): Niedenzu, W.: Quantum-correlated motion and heralded entanglement of distant optomechanically coupled objects.
      19th SFB-FoQuS Meeting, Innsbruck, 2013-02-28.

    • Lecturer(s): Niedenzu, W. Co-author(s): Sandner, R.; Genes, C.; Ritsch, H.: Quantum-correlated motion and heralded entanglement of distant optomechanically coupled objects.
      Long-range interactions in the ultracold, Stuttgart, 2013-09-04. (Web link)

    • Lecturer(s): Niedenzu, W. Co-author(s): Sandner, R.; Ritsch, H.: Subrecoil cavity cooling down to degeneracy: a numerical study.
      21st SFB-FoQuS Meeting, Innsbruck, 2013-07-11.

    • Lecturer(s): Sandner, R. Co-author(s): Niedenzu, W.; Ritsch, H.: Subrecoil cavity cooling towards degeneracy: a numerical study.
      Long-range interactions in the ultracold, Stuttgart, 2013-09-04. (Web link)

    • Lecturer(s): Sandner, R. Co-author(s): Niedenzu, W.; Ritsch, H.: Subrecoil cavity cooling down to degeneracy: a numerical study.
      CCQED YES meeting, Zürich, 2013-06-04. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Niedenzu, W.: Self-organisation of cold atoms in optical resonators.
      Leopold-Franzens-Universität Innsbruck, Innsbruck, 2013-06-06.

    • Lecturer(s): Niedenzu, W.: Microscopic description and simulation of ultracold atoms in optical resonators.
      ETH Zürich, Zürich, 2013-01-21.



    Publications 2012

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Griesser, T.; Niedenzu, W.; Ritsch, H. (2012): Cooperative self-organization and sympathetic cooling of a multispecies gas in a cavity.
      In: New Journal of Physics 14, p. 053031. (DOI) (Web link)

    • Niedenzu, W.; Sandner, R.; Genes, C.; Ritsch, H. (2012): Quantum-correlated motion and heralded entanglement of distant optomechanically coupled objects.
      In: Journal Of Physics B: Atomic Molecular And Optical Physics 45/24, p. 245501. (DOI) (Web link)



    Lectures 2012

    Presentations at Conferences, Symposia, etc.

    Poster Presentation
    • Lecturer(s): Griesser, T. Co-author(s): Niedenzu, W.; Ritsch, H.: Quantum Kinetic Theory of Polarizable Particles in a Cavity.
      International Conference on Quantum Optics 2012, Obergurgl, 2012-02-16. (Web link)

    • Lecturer(s): Niedenzu, W. Co-author(s): Sandner, R.; Ritsch, H.: Entanglement and momentum correlations in a ring resonator.
      International Conference on Quantum Optics 2012, Obergurgl, 2012-02-16. (Web link)

    • Lecturer(s): Sandner, R. Co-author(s): Niedenzu, W.; Genes, C.; Vukics, A.; Ritsch, H.: C++ quantum simulations of cavity sub-recoil cooling.
      NI Summer School 2012, Munich, 2012-09-11. (Web link)

    • Lecturer(s): Sandner, R. Co-author(s): Niedenzu, W.; Kraemer, S.; Vukics, A.; Ritsch, H.: C++QED: a framework for simulating open quantum dynamics.
      CCQED Winter School: Introduction to circuit and cavity QED, Les Houches, 2012-02-28. (Web link)

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Niedenzu, W.: Quantum-correlated motion and heralded entanglement of distant optomechanically coupled objects.
      Universität des Saarlandes, Saarbrücken, 2012-07-17.



    Publications 2011

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Niedenzu, W.; Griesser, T.; Ritsch, H. (2011): Kinetic theory of cavity cooling and selforganisation of a cold gas.
      In: Europhysics Letters 96/4, p. 43001.



    Lectures 2011

    Presentations at Conferences, Symposia, etc.

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W. Co-author(s): Griesser, T.; Ritsch, H.: Poster: "Kinetic theory of cavity cooling and selforganisation of a cold gas".
      11th SFB-Meeting, Wien, 2011-05-20. (Web link)

    Poster Presentation
    • Lecturer(s): Griesser, T. Co-author(s): Niedenzu, W.; Ritsch, H.: Multispecies kinetic theory of cavity-mediated cooling and selforganisation.
      Frontiers of Matter Wave Optics (FOMO 2011), Obergurgl, 2011-03-22. (Web link)

    • Lecturer(s): Niedenzu, W. Co-author(s): Griesser, T.; Ritsch, H.: Kinetic theory of cavity cooling and selforganisation of a cold gas.
      Workshop ECOQAS 2011 "Engineering and Control of Quantum Systems", Dresden, 2011-10-10. (Web link)

    • Lecturer(s): Niedenzu, W. Co-author(s): Schulze, R.; Vukics, A.; Ritsch, H.: Microscopic dynamics of ultracold particles in a ring-cavity optical lattice.
      Frontiers of Matter Wave Optics (FOMO 2011), Obergurgl, 2011-03-22. (Web link)

    • Lecturer(s): Ritsch, H. Co-author(s): Griesser, T.; Niedenzu, W.: Selforganization and sympathetic cooling of multispecies ensembles in a cavity.
      Bose-Einstein Condensation 11 (BEC 2011): Frontiers in Quantum Gases, Sant Feliu de Guixols, 2011-09-10. (Web link)

    • Lecturer(s): Ritsch, H. Co-author(s): Griesser, T.; Niedenzu, W.: Multispecies kinetic theory of cavity-mediated cooling and selforganisation.
      20th International Conference on Laser Spectroscopy (ICOLS 2011), Hameln, 2011-05-30. (Web link)



    Lectures 2010

    Presentations at Conferences, Symposia, etc.

    Conference Lecture (Invited Lecture)
    • Lecturer(s): Ritsch, H. Co-author(s): Griesser, T.; Henschel, K.; Niedenzu, W.: Micro-mechanical oscillator ground state cooling via resonant intracavity optical gain or absorption.
      Hybrid Quantum Systems: New Perspectives on Quantum State Control (International Ruperto-Carola-Symposium), Heidelberg, 2010-05-14. (Web link)

    • Lecturer(s): Ritsch, H. Co-author(s): Griesser, T.; Niedenzu, W.: Cavity QED with ultracold quantum gases.
      22nd International Conference on Atomic Physics (ICAP 2010), Cairns, 2010-07-30. (Web link)

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W.; Schulze, R.; Vukics, A.; Ritsch, H.: Poster "Microscopic dynamics of ultracold particles in a ring-resonator-generated optical lattice".
      8th SFB-FoQuS Meeting, Innsbruck, 2010-07-08.

    • Lecturer(s): Ritsch, H. Co-author(s): Griesser, T.; Niedenzu, W.; Sonnleitner, M.: Optomechanics with molecules in a strongly pumped ring cavity.
      Final CMMC Meeting, Herrsching, 2010-03-29.

    Poster Presentation
    • Lecturer(s): Niedenzu, W. Co-author(s): Ritsch, H.: Dynamics of ultracold atoms in a ring-cavity generated optical lattice.
      Quantum Optics Obergurgl Meeting 2010, Obergurgl, 2010-02-22.



    Publications 2009

    Contributions to Books / Journals

    Journal Article (Original Paper)
    • Vukics, A.; Niedenzu, W.; Ritsch, H. (2009): Cavity nonlinear optics with few photons and ultracold quantum particles.
      In: Physical Review A (Atomic, Molecular and Optical Physics) 79, No. 013828. (DOI)



    Lectures 2009

    Presentations at Conferences, Symposia, etc.

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W.; Vukics, A.; Ritsch, H.: Poster: Cavity nonlinear optics with few photons and ultracold quantum particles.
      SFB Conference 2009, Innsbruck, 2009-01-29.

    Poster Presentation
    • Lecturer(s): Niedenzu, W.; Vukics, A.; Ritsch, H.: Cavity nonlinear optics with few photons and ultracold quantum particles.
      Joint Annual Meeting of the Austrian Physical Society (ÖPG), Swiss Physical Society (SPS) and Austrian Society of Astronomy and Astrophysics (ÖGAA), Innsbruck, 2009-09-02.

    • Lecturer(s): Niedenzu, W.; Vukics, A.; Ritsch, H.: Cavity nonlinear optics with few photons and ultracold quantum particles.
      CMMC Workshop on "Cavity Cooling of Atoms, Molecules and Ions", Obergurgl, 2009-02-05.

    • Lecturer(s): Ritsch, H.; Vukics, A.; Niedenzu, W.: Few Photon Nonlinear Optics using ultracold Particles in a Cavity.
      8th EUROPEAN CONFERENCE ON NON LINEAR SPECTROSCOPY AND 28th EUROPEAN CARS WORKSHOP, Rom, 2009-05-26.

    • Lecturer(s): Schulze, R.; Niedenzu, W.; Ritsch, H.: Cold atoms in optical lattices generated by a high-Q ring cavity.
      Young Atom Opticians Conference (YAO 2009), Wien, 2009-02-18.



    Lectures 2008

    Presentations at Conferences, Symposia, etc.

    Poster Presentation
    • Lecturer(s): Niedenzu, W.; Vukics, A.; Ritsch, H.: Cavity nonlinear optics with few photons and ultracold quantum particles.
      Summer School on Cold Atoms in Optical Lattices, Oxford, 2008-09-23.

    Guest Lectures

    Guest Lecture
    • Lecturer(s): Niedenzu, W.: Cavity nonlinear optics with few photons and ultracold quantum particles.
      Universitat Autònoma de Barcelona / Autonome Universität Barcelona, Barcelona, 2008-05-19.



    Lectures 2007

    Presentations at Conferences, Symposia, etc.

    Lecture at Project Meeting / Research Cooperation Meeting
    • Lecturer(s): Niedenzu, W.: Two band model for atoms in an optical lattice generated by a cavity field.
      SFB Meeting, Innsbruck, 2007-05-03.

    • Lecturer(s): Niedenzu, W.; Maschler, Ch.; Ritsch, H.: Poster "Two band model for atoms in an optical lattice generated by a cavity field".
      SFB Meeting, Innsbruck, 2007-05-03.

    Poster Presentation
    • Lecturer(s): Niedenzu, W.; Vukics, A.; Maschler, Ch.; Ritsch, H.: A multiband model for atoms in an optical lattice generated by a cavity field.
      First European Young Scientists Conference on Quantum Information - EYSCQI, Wien, 2007-08-28.

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