The following publications contain results that were obtained through the use of QDYN. Further publications and PDFs are available here and here.


Daniel Basilewitsch, Haidong Yuan, and Christiane P. Koch.
Optimally controlled quantum discrimination and estimation.
arXiv:2007.09729 (2020).
arXiv | Abstract ]

Prerna Paliwal, Nabanita Deb, Daniel M. Reich, Christiane P. Koch, and Edvardas Narevicius.
Revealing the Nature of Quantum Resonances by Probing Elastic and Reactive Scattering in Cold Collisions.
arXiv:2002.10750 (2020).
arXiv | Abstract ]

Daniel Basilewitsch, Jonas Fischer, Daniel M. Reich, Dominique Sugny, and Christiane P. Koch.
Fundamental Bounds on Qubit Reset.
arXiv:2001.09107 (2020).
arXiv | Abstract ]

J. Martin Berglund, Michael Drewsen, and Christiane P. Koch.
Fundamental bounds on rotational state change in sympathetic cooling of molecular ions.
arXiv:1905.02130 (2019).
arXiv | Abstract ]

R. Esteban Goetz, Andrea Simoni, and Christiane P. Koch.
An adaptive-size multi-domain pseudospectral approach for solving the time-dependent Schrödinger equation.
arXiv:1611.09034 (2016).
arXiv | Abstract ]

Arthur Larrouy, Sabrina Patsch, Rémi Richaud, Jean-Michel Raimond, Michel Brune, Christiane P. Koch, and Sébastien Gleyzes.
Fast Navigation in a Large Hilbert Space Using Quantum Optimal Control.
Phys. Rev. X 10, 021058 (2020).
DOI | Abstract ]

Sabrina Patsch, Sabrina Maniscalco, and Christiane P. Koch.
Simulation of open-quantum-system dynamics using the quantum Zeno effect.
Phys. Rev. Research 2, 023133 (2020).
DOI | arXiv | Abstract ]

Alexander Blech, Yuval Shagam, Nicolas Hölsch, Prerna Paliwal, Wojciech Skomorowski, John W. Rosenberg, Natan Bibelnik, Oded Heber, Daniel M. Reich, Edvardas Narevicius, and Christiane P. Koch.
Phase protection of Fano-Feshbach resonances.
Nat. Commun. 11, 999 (2020).
DOI | arXiv | Abstract ]

Marec W. Heger, Christiane P. Koch, and Daniel M. Reich.
Optimized sampling of mixed-state observables.
Phys. Rev. E 100, 052105 (2019).
DOI | arXiv | Abstract ]

Daniel Basilewitsch, Francesco Cosco, Nicola Lo Gullo, Mikko Möttönen, Tapio Ala-Nissilä, Christiane P. Koch, and Sabrina Maniscalco.
Reservoir engineering using quantum optimal control for qubit reset.
New J. Phys. 21, 093054 (2019).
DOI | arXiv | Abstract ]

Jonas Fischer, Daniel Basilewitsch, Christiane P. Koch, and Dominique Sugny.
Time-optimal purification of a qubit in contact with a structured environment.
Phys. Rev. A 99, 033410 (2019).
DOI | arXiv | Abstract ]

Daniel Basilewitsch, Christiane P. Koch, and Daniel M. Reich.
Quantum Optimal Control for Mixed State Squeezing in Cavity Optomechanics.
Adv. Quantum Technol. 2, 1800110 (2019).
DOI | arXiv | Abstract ]

Karl P. Horn, Florentin Reiter, Yiheng Lin, Dietrich Leibfried, and Christiane P. Koch.
Quantum optimal control of the dissipative production of a maximally entangled state.
New J. Phys. 20, 123010 (2018).
DOI | arXiv | Abstract ]

Daniel Basilewitsch, Lutz Marder, and Christiane P. Koch.
Dissipative Quantum Dynamics and Optimal Control using Iterative Time Ordering: An Application to Superconducting Qubits.
Eur. Phys. J. B 91, 161 (2018).
DOI | arXiv | Abstract ]

Sabrina Patsch, Daniel M. Reich, Jean-Michel Raimond, Michel Brune, Sébastien Gleyzes, and Christiane P. Koch.
Fast and accurate circularisation of a Rydberg atom.
Phys. Rev. A 97, 053418 (2018).
DOI | arXiv | Abstract ]

Michael H. Goerz and Kurt Jacobs.
Efficient optimization of state preparation in quantum networks using quantum trajectories.
Quantum Sci. Technol. 3, 045005 (2018).
DOI | arXiv | Abstract ]

Daniel Basilewitsch, Rebecca Schmidt, Dominique Sugny, Sabrina Maniscalco, and Christiane P. Koch.
Beating the limits with initial correlations.
New J. Phys. 19, 113042 (2017).
DOI | arXiv | Abstract ]

Michael H. Goerz, Felix Motzoi, K. Birgitta Whaley, and Christiane P. Koch.
Charting the circuit QED design landscape using optimal control theory.
npj Quantum Inf. 3, 37 (2017).
DOI | arXiv | Abstract ]

Wojciech Skomorowski, Yuval Shagam, Edvardas Narevicius, and Christiane P. Koch.
Photoassociation Spectroscopy in Penning Ionization Reactions at Sub-Kelvin Temperatures.
J. Phys. Chem. A 120, 3309 (2016).
DOI | arXiv | Abstract ]

Michael H. Goerz, K. Birgitta Whaley, and Christiane P. Koch.
Hybrid Optimization Schemes for Quantum Control.
EPJ Quantum Technology 2, 21 (2015).
DOI | arXiv | Abstract ]

Liat Levin, Wojciech Skomorowski, Ronnie Kosloff, Christiane P. Koch, and Zohar Amitay.
Coherent Control of Bond Making: The performance of rationally phase-shaped femtosecond laser pulses.
J. Phys. B 48, 184004 (2015).
DOI | arXiv | Abstract ]

Daniel M. Reich, Nadav Katz, and Christiane P. Koch.
Exploiting Non-Markovianity for Quantum Control.
Sci. Rep. 5, 12430 (2015).
DOI | arXiv | Abstract ]

Liat Levin, Wojciech Skomorowski, Leonid Rybak, Ronnie Kosloff, Christiane P. Koch, and Zohar Amitay.
Coherent Control of Bond Making.
Phys. Rev. Lett. 114, 233003 (2015).
Synopsis: On-Demand Chemical Bond Formation
Physics Today: A femtosecond laser pulse makes molecular bonds
DOI | arXiv | Abstract ]

Paul Watts, Jiří Vala, Matthias M. Müller, Tommaso Calarco, K. Birgitta Whaley, Daniel M. Reich, Michael H. Goerz, and Christiane P. Koch.
Optimizing for an arbitrary perfect entangler: I. Functionals.
Phys. Rev. A 91, 062306 (2015).
DOI | arXiv | Abstract ]

Michael H. Goerz, Giulia Gualdi, Daniel M. Reich, Christiane P. Koch, Felix Motzoi, K. Birgitta Whaley, Jiří Vala, Matthias M. Müller, Simone Montangero, and Tommaso Calarco.
Optimizing for an arbitrary perfect entangler. II. Application.
Phys. Rev. A 91, 062307 (2015).
DOI | arXiv | Abstract ]

Michał Tomza, Christiane P. Koch, and Robert Moszynski.
Cold interactions between an Yb⁺ ion and a Li atom: Prospects for sympathetic cooling, radiative association, and Feshbach resonances.
Phys. Rev. A 91, 042706 (2015).
DOI | arXiv | Abstract ]

H. Schmidt, J. von Vangerow, F. Stienkemeier, A. S. Bogomolov, A. V. Baklanov, D. M. Reich, W. Skomorowski, C. P. Koch, and M. Mudrich.
Predissociation dynamics of lithium iodide.
J. Chem. Phys. 142, 044303 (2015).
DOI | arXiv | Abstract ]

J. Martin Berglund, Michael Drewsen, and Christiane P. Koch.
Femtosecond wavepacket interferometry using the rotational dynamics of a trapped cold molecular ion.
New J. Phys. 17, 025007 (2015).
DOI | arXiv | Abstract ]

Michael H. Goerz, Eli J. Halperin, Jon M. Aytac, Christiane P. Koch, and K. Birgitta Whaley.
Robustness of high-fidelity Rydberg gates with single-site addressability.
Phys. Rev. A 90, 032329 (2014).
DOI | arXiv | Abstract ]

Georg Jäger, Daniel M. Reich, Michael H. Goerz, Christiane P. Koch, and Ulrich Hohenester.
Optimal quantum control of Bose-Einstein condensates in magnetic microtraps: Comparison of GRAPE and Krotov optimization schemes.
Phys. Rev. A 90, 033628 (2014).
DOI | arXiv | Abstract ]

Katharina Rojan, Daniel M. Reich, Igor Dotsenko, Jean-Michel Raimond, Christiane P. Koch, and Giovanna Morigi.
Arbitrary quantum-state preparation of a harmonic oscillator via optimal control.
Phys. Rev. A 90, 023824 (2014).
DOI | arXiv | Abstract ]

H. A. Fürst, M. H. Goerz, U. G. Poschinger, M. Murphy, S. Montangero, T. Calarco, F. Schmidt-Kaler, K. Singer, and C. P. Koch.
Controlling the transport of an ion: Classical and quantum mechanical solutions.
New J. Phys. 16, 075007 (2014).
DOI | arXiv | Abstract ]

Michael H. Goerz, Daniel M. Reich, and Christiane P. Koch.
Optimal control theory for a unitary operation under dissipative evolution.
New J. Phys. 16, 055012 (2014).
DOI | arXiv | Abstract ]

Michał Tomza, Rosario González-Férez, Christiane P. Koch, and Robert Moszyński.
Controlling magnetic Feshbach resonances in polar open-shell molecules with non-resonant light.
Phys. Rev. Lett. 112, 113201 (2014).
DOI | arXiv | Abstract ]

Mamadou Ndong, Christiane P. Koch, and Dominique Sugny.
Time optimization and state-dependent constraints in the quantum optimal control of molecular orientation.
J. Mod. Opt. 61, 857 (2014).
DOI | arXiv | Abstract ]

Daniel M. Reich, José P. Palao, and Christiane P. Koch.
Optimal control under spectral constraints: Enforcing multi-photon absorption pathways.
J. Mod. Opt. 61, 822 (2014).
DOI | arXiv | Abstract ]

Daniel M. Reich and Christiane P. Koch.
Cooling molecular vibrations with shaped laser pulses: Optimal control theory exploiting the timescale separation between coherent excitation and spontaneous emission.
New J. Phys. 15, 125028 (2013).
DOI | arXiv | Abstract ]

Daniel M. Reich, Giulia Gualdi, and Christiane P. Koch.
Optimal strategies for estimating the average fidelity of quantum gates.
Phys. Rev. Lett. 111, 200401 (2013).
DOI | arXiv | Abstract ]

José P. Palao, Daniel M. Reich, and Christiane P. Koch.
Steering the optimization pathway in the control landscape using constraints.
Phys. Rev. A 88, 053409 (2013).
DOI | arXiv | Abstract ]

Saieswari Amaran, Ronnie Kosloff, Michał Tomza, Wojciech Skomorowski, Filip Pawłowski, Robert Moszynski, Leonid Rybak, Liat Levin, Zohar Amitay, J. Martin Berglund, Daniel M. Reich, and Christiane P. Koch.
Femtosecond two-photon photoassociation of hot magnesium atoms: A quantum dynamical study using thermal random phase wavefunctions.
J. Chem. Phys. 139, 164124 (2013).
DOI | arXiv | Abstract ]

Michał Tomza, Wojciech Skomorowski, Monika Musiał, Rosario González-Férez, Christiane P. Koch, and Robert Moszynski.
Interatomic potentials, electric properties, and spectroscopy of the ground and excited states of the Rb₂ molecule: Ab initio calculations and effect of a non-resonant field.
Mol. Phys. 111, 1781 (2013).
DOI | arXiv | Abstract ]

Michał Tomza, Michael H. Goerz, Monica Musiał, Robert Moszyński, and Christiane P. Koch.
Optimal production of ultracold ground-state molecules: Stabilization employing potentials with ion-pair character and strong spin-orbit coupling.
Phys. Rev. A 86, 043424 (2012).
DOI | arXiv | Abstract ]

Wojciech Skomorowski, Filip Pawłowski, Christiane P. Koch, and Robert Moszyński.
Rovibrational dynamics of the strontium molecule in the A¹Σu⁺, c³Πu, and a³Σu⁺ manifold from state-of-the-art ab initio calculations.
J. Chem. Phys. 136, 194306 (2012).
DOI | arXiv | Abstract ]

Wojciech Skomorowski, Robert Moszyński, and Christiane P. Koch.
Formation of deeply bound ultracold Sr₂ molecules by photoassociation near the Sr(³P)+Sr(¹S) intercombination line.
Phys. Rev. A 85, 043414 (2012).
DOI | arXiv | Abstract ]

D. Reich, M. Ndong, and Christiane P. Koch.
Monotonically convergent optimization in quantum control using Krotov’s method.
J. Chem. Phys. 136, 104103 (2012).
DOI | arXiv | Abstract ]

Michał Tomza, Filip Pawłowski, Małgorzata Jeziorska, Christiane P. Koch, and Robert Moszyński.
Formation of ultracold SrYb molecules in an optical lattice by photoassociation spectroscopy: theoretical prospects.
Phys. Chem. Chem. Phys. 13, 18893 (2011).
DOI | arXiv | Abstract ]

M. M. Müller, D. M. Reich, M. Murphy, H. Yuan, J. Vala, K. B. Whaley, T. Calarco, and C. P. Koch.
Optimizing entangling quantum gates for physical systems.
Phys. Rev. A 84, 042315 (2011).
DOI | arXiv | Abstract ]

M. H. Goerz, T. Calarco, and C. P. Koch.
The Quantum Speed Limit of Optimal Controlled Phasegates for Trapped Neutral Atoms.
J. Phys. B 44, 154011 (2011).
DOI | arXiv | Abstract ]

Mamadou Ndong and Christiane P. Koch.
Vibrational stabilization of ultracold KRb molecules. A comparative study.
Phys. Rev. A 82, 043437 (2010).
DOI | arXiv | Abstract ]

Christiane P. Koch and Ronnie Kosloff.
Correlation dynamics after short-pulse photoassociation.
Phys. Rev. A 81, 063426 (2010).
DOI | arXiv | Abstract ]

Mamadou Ndong, Hillel Tal-Ezer, Ronnie Kosloff, and Christiane P. Koch.
A Chebychev propagator with iterative time ordering for explicitly time-dependent Hamiltonians.
J. Chem. Phys. 132, 064105 (2010).
DOI | arXiv | Abstract ]

Christiane P. Koch and Ronnie Kosloff.
Pump-Probe Spectroscopy of Two-Body Correlations in Ultracold Gases.
Phys. Rev. Lett. 103, 260401 (2009).
DOI | arXiv | Abstract ]

Andrea Merli, Frauke Eimer, Fabian Weise, Albrecht Lindinger, Wenzel Salzmann, Terry Mullins, Simone Götz, Roland Wester, Matthias Weidemüller, Ruzin Ağanoğlu, and Christiane P. Koch.
Photoassociation and coherent transient dynamics in the interaction of ultracold rubidium atoms with shaped femtosecond pulses. II. Theory.
Phys. Rev. A 80, 063417 (2009).
DOI | Abstract ]

Fabian Weise, Andrea Merli, Frauke Eimer, Sascha Birkner, Franziska Sauer, Ludger Wöste, Albrecht Lindinger, Wenzel Salzmann, Terry Mullins, Simone Götz, Roland Wester, Matthias Weidemüller, Ruzin Ağanoğlu, and Christiane P. Koch.
Characteristic oscillations in the coherent transients of ultracold rubidium molecules using red and blue detuned pulses for photoassociation.
J. Phys. B 42, 215307 (2009).
DOI | Abstract ]

Frauke Eimer, Fabian Weise, Andrea Merli, Sascha Birkner, Franziska Sauer, Ludger Wöste, Albrecht Lindinger, Ruzin Ağanoğlu, Christiane P. Koch, Wenzel Salzmann, Terry Mullins, Simone Götz, Roland Wester, and Matthias Weidemüller.
Spectrally resolved coherent transient signal for ultracold rubidium molecules.
Eur. Phys. J. D 54, 711 (2009).
DOI | Abstract ]

Subhas Ghosal, Richard J. Doyle, Christiane P. Koch, and Jeremy M. Hutson.
Stimulating the production of deeply bound RbCs molecules with laser pulses: the role of spin-orbit coupling in forming ultracold molecules.
New J. Phys. 11, 055011 (2009).
DOI | arXiv | Abstract ]

Christiane P. Koch, Mamadou Ndong, and Ronnie Kosloff.
Two-photon coherent control of femtosecond photoassociation.
Faraday Discuss. 142, 389 (2009).
DOI | arXiv | Abstract ]

Mamadou Ndong, Hillel Tal-Ezer, Ronnie Kosloff, and Christiane P. Koch.
A Chebychev propagator for inhomogeneous Schrödinger equations.
J. Chem. Phys. 130, 124108 (2009).
DOI | arXiv | Abstract ]


Prof. Dr. Christiane Koch
Theoretical Physics
Freie Universität Berlin
Arnimallee 14
14195 Berlin, Germany

Development Team

QDYN is developed in the group of Prof. Dr. Christiane Koch at the Freie Universität Berlin, Germany.

Lead Developers

since 2020 Alexander Blech
2015 - 2020 Daniel Basilewitsch
2008 - 2015 Michael Goerz
2007 - 2008 Fabian Krack

See the full list of people that have contributed to QDYN