Publications

1. Jacek Dobrzyniecki, Thomas Busch
   Ground state of the Hubbard model with spin-dependent linear potential (preprint)
   ArXiv:2604.24068

2. Jacek Dobrzyniecki, Paula Heim, Michał Tomza
   Tunable two-species spin models with Rydberg atoms in circular and elliptical states
   Phys. Rev. Research 7, 013321 (2025) (Open Access) | ArXiv:2411.14854
   DOI: 10.1103/PhysRevResearch.7.013321

3. Jacek Dobrzyniecki, Michał Tomza
   Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers
   Phys. Rev. A 108, 052618 (2023) | ArXiv:2302.14774
   DOI: 10.1103/PhysRevA.108.052618

4. Jacek Dobrzyniecki, Giuliano Orso, Tomasz Sowiński
   Unconventional pairing in few-fermion systems tuned by external confinement
   Phys. Rev. Research 3, 043105 (2021) (Open Access) | ArXiv:2105.12519
   DOI: 10.1103/PhysRevResearch.3.043105
   Data available at Zenodo (DOI: 10.5281/zenodo.5585288)

5. Jacek Dobrzyniecki, Tomasz Sowiński
   Two Rydberg-dressed atoms escaping from an open well
   Phys. Rev. A 103, 013304 (2021) | ArXiv:2009.04839
   DOI: 10.1103/PhysRevA.103.013304

6. Jacek Dobrzyniecki, Tomasz Sowiński
   Simulating artificial 1D physics with ultra-cold fermionic atoms: three exemplary themes
   Adv. Quantum Technol. 3, 2000010 (2020) (Open Access) | ArXiv:2001.04223
   DOI: 10.1002/qute.202000010

7. Jacek Dobrzyniecki, Tomasz Sowiński
   Momentum correlations of a few ultracold bosons escaping from an open well
   Phys. Rev. A 99, 063608 (2019) | ArXiv:1902.03069
   DOI: 10.1103/PhysRevA.99.063608

8. Jacek Dobrzyniecki, Tomasz Sowiński
   Dynamics of a few interacting bosons escaping from an open well
   Phys. Rev. A 98, 013634 (2018) | ArXiv:1804.04932
   DOI: 10.1103/PhysRevA.98.013634

9. Jacek Dobrzyniecki, Xikun Li, Anne E. B. Nielsen, Tomasz Sowiński
   Effective three-body interactions for bosons in a double-well confinement
   Phys. Rev. A 97, 013609 (2018) | ArXiv:1711.05100
   DOI: 10.1103/PhysRevA.97.013609

10. Jacek Dobrzyniecki, Tomasz Sowiński
    Effective two-mode description of a few ultra-cold bosons in a double-well potential
    Phys. Lett. A 382, 394 (2018) | ArXiv:1707.04201
    DOI: 10.1016/j.physleta.2017.12.027

11. Jacek Dobrzyniecki, Tomasz Sowiński
    Exact dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential
    Eur. Phys. J. D 70, 83 (2016) (Open Access) | ArXiv:1603.05619
    DOI: 10.1140/epjd/e2016-70016-x
    Correction in: Eur. Phys. J. D 78, 3 (2024)

Conference talks

• Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers (March 2024 version PDF)

  • 2nd TLL (Taiwan-Latvia-Lithuania grant) Workshop - Coherent Optical Control of Atomic Systems
    Vilnius, Lithuania (July 6, 2023)

  • 53rd Annual Meeting of the APS Division of Atomic, Molecular and Optical Physics
    Orlando (FL), United States (June 3, 2022)
    Presentation recording DOI: 10.26226/m.6275706066d5dcf63a3117fb

• Dynamics of a few interacting bosons escaping from an open well (November 2020 edited version PDF)

  • Young Atom Opticians (YAO) 2019
    Hamburg, Germany (August 1, 2019)

• Effective two-mode description of the dynamics of interacting bosons confined in a double-well trap

  • Quantum Technologies Conference IX
    Jastarnia, Poland (September 11, 2018)

  • Exotic Interactions in Quantum Correlated Materials
    Kraków, Poland (June 13, 2018)

• Exact dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential

  • XII Rzeszowska Konferencja Młodych Fizyków
    Rzeszów, Poland (June 1, 2017)

Conference posters

• Tunable two-species spin models with Rydberg atoms in circular and elliptical states (2024 version PDF, 2025 version PDF)

  • Quantum Optics XI
    Kraków, Poland (September 1, 2025)

  • Global Career Workshop for Quantum Technologies — Okinawa Institute of Science and Technology
    Onna-son, Japan (March 10, 2025)

  • Okinawa School in Physics: Coherent Quantum Dynamics — Okinawa Institute of Science and Technology
    Onna-son, Japan (September 24 - October 4, 2024)

• Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers (2022 version PDF, 2023 version PDF)

  • Mini Symposium "Interactions" on Quantum Chemistry — Nicolaus Copernicus University
    Toruń, Poland (November 24-25, 2023)

  • Workshop on Ultracold Molecules 2023 — University of Warsaw
    Warsaw, Poland (September 5-8, 2023)

  • Humboldt Kolleg 2023
    Vilnius, Lithuania (July 2-5, 2023)

  • Precision Many Body Physics 2023
    Paris, France (June 12-14, 2023)

  • ECAMP14 - 14th European Conference on Atoms Molecules and Photons
    Vilnius, Lithuania (June 27-July 1, 2022)

  • Workshop on Cold Hybrid Ion-atom Systems — University of Warsaw
    Warsaw, Poland (June 8-10, 2022)

• Two Rydberg-dressed atoms escaping from an open well

  • 2nd Symposium on Cold Interactions and Collisions — MolInt Lab
    Toruń, Poland (November 19-20, 2021)

• Momentum correlations of a few ultracold bosons escaping from an open well

  • CUI Young Researchers Workshop 2020 — Frontiers in nonequilibrium dynamics of multicomponent systems in the few- to many-body crossover
    Hamburg, Germany (February 11, 2020)

• Dynamics of a few interacting bosons escaping from an open well

  • Polish-German WE-Heraeus-Seminar — Coherence in Fermionic Matter: Fermion Pairing in Cold Atoms and Superconductors
    Bad Honnef, Germany (October 13–16, 2019)

  • Time Crystals and Related Phenomena Workshop
    Kraków, Poland (September 4–6, 2019)

  • NanoQI'19 Summerschool: Nanotechnology Meets Quantum Information
    Donostia-San Sebastian, Spain (July 22–26, 2019)

  • 1st Symposium on Cold Interactions and Collisions — University of Warsaw
    Warsaw, Poland (April 16, 2019)

• Effective two-mode description of the dynamics of interacting bosons confined in a double-well trap

  • Small and Medium Sized Cold Atom Systems
    Benasque, Spain (July 29–August 4, 2018)

  • ICAP 2018
    Barcelona, Spain (July 22–27, 2018)

• Exact dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential

  • Les Houches predoc school on cold atoms and quantum transport
    Les Houches, France (October 2–13, 2017)

  • Quantum Optics IX
    Gdańsk, Poland (September 17–23, 2017)

  • 6th Warsaw School of Statistical Physics
    Sandomierz, Poland (June 25–July 2, 2016)

Seminar talks

• Pair up or separate? Competition between attraction & spin-dependent external force in a Hubbard model (May 2026 version PDF)

  • Theoretical Physics Seminar, Institute of Physics of the Polish Academy of Sciences
    September 9, 2025

  • Quantum Molecular Systems group seminar, Warsaw University
    August 28, 2025

  • Quantum Systems Unit group meeting, Okinawa Institute of Science and Technology
    June 27, 2025

  • Quantum Systems Unit group meeting, Okinawa Institute of Science and Technology
    May 27, 2026

• Implementing tunable two-species spin models with Rydberg atoms in circular and elliptical states  (September 2024 version PDF)

  • Ohmori Lab, Institute for Molecular Science
    September 12, 2024

  • Quantum Molecular Systems group seminar, Warsaw University
    March 18, 2024

• Quantum simulation of the central spin model with a Rydberg atom and polar molecules in optical tweezers (March 2024 version PDF)

  • BEC Seminar – Center of Theoretical Physics of the Polish Academy of Sciences
    March 15, 2024

  • Seminarium Optyczne – Wydział Fizyki Uniwersytetu Warszawskiego
    June 1, 2023

  • Seminarium Zakładu Optyki Atomowej – Uniwersytet Jagielloński
    May 29, 2023

  • Joint Theoretical Physics and Astronomy Seminars - Institute of Theoretical Physics and Astronomy, Vilnius University
    May 11, 2023

  • Quantum Molecular Systems - Tomza Research Group on Theoretical AMO Physics seminar - FUW
    January 30, 2023

• Spin models realized with polar molecules in optical tweezers interacting with a central particle (May 2022 version PDF)
  Quantum Molecular Systems - Tomza Research Group on Theoretical AMO Physics seminar - FUW
  May 17, 2022

• Unconventional pairing in few-fermion systems tuned by external confinement (October 2021 version PDF)

  • Seminarium "Modeling of Complex Systems" - FUW
    October 21, 2021

  • Quantum Molecular Systems - Tomza Research Group on Theoretical AMO Physics seminar - FUW
    October 4, 2021

• Momentum correlations of a few ultracold bosons escaping from an open well (August 2020 version PDF; shortened version PDF)
  Wydział Fizyki Politechniki Warszawskiej (on-line seminar)
  August 19, 2020

• Effective two-mode description of the dynamics of interacting bosons confined in a double-well trap
  Seminarium Kondensatu Bosego-Einsteina w Centrum Fizyki Teoretycznej Polskiej Akademii Nauk
  April 18, 2018

• Exact dynamics of two ultra-cold bosons confined in a one-dimensional double-well potential

  • Instytut Fizyki Uniwersytetu Jana Kochanowskiego w Kielcach
    May 25, 2017

  • Seminarium Fizyki Teoretycznej IF PAN
    April 26, 2016

Popularization of science

• Breaking the Wall of Quantum Computation (PowerPoint file)
  Presentation delivered at the Falling Walls Lab Warsaw event
  September 15, 2022

Mentorship

• 2022-2023: Assistant thesis advisor for the Master's thesis of Jakub Korsak: "Quantum simulator of a central spin model realized with a Rydberg atom and polar molecules" (defended at the University of Warsaw, 2023)

Dissertations

• PhD thesis: Tunelowanie kilku oddziałujących ultrazimnych atomów do otwartej przestrzeni (in Polish; summary in English included)
  Summary (in English)
  Info on defense (in Polish)
  Institute of Physics of the Polish Academy of Sciences
  Defended: December 7, 2020
  Doctoral title awarded: December 10, 2020
  Received the Annual Award of the Director of IF PAN for 2020 in 2021
  Supervisor: dr hab. Tomasz Sowiński, prof. IF PAN

• Master thesis: Ścisła dynamika dwóch ultrazimnych bozonów w jednowymiarowej podwójnej studni potencjału (in Polish)
  Faculty of Mathematics and Natural Sciences of the University of Cardinal Stefan Wyszyński
  Defended: June 13, 2016
  Supervisor: dr hab. Tomasz Sowiński, prof. IF PAN