There is a non-regular sequence of workshops on the topic.
# The fifth workshop will be held 7th - 8th July 2025
at the Physics Department of Kiel University
Solving the Two-time Kadanoff-Baym Equations.
Status and Open Problems
Organization: Michael Bonitz, Jan-Philip Joost, and Erik Schroedter
Participants: Karsten Balzer, Thomas Blommel, Michael Bonitz, Iva Brezinova,
Fabio Caruso, Marie Eder, Christoph Emeis, Florian Grüner, Anna Hehn, Nils Jacobsen,
Jan-Philip Joost, Tim Kalsberger, Christopher Makait, Alexander Osterkorn, Yiming Pan,
Yaroslav Pavlyukh, Elias Pescoller, Erik Schroedter, Michael Sentef, Vaclav Spicka,
Maksymilian Sroda, Riku Tuovinen, Claudio Verdozzi, Vojtech Vlcek, Björn Wurst
Scientific program: Start: July 7, 9:00, End: July 8, 12:30
More information follows. There will be no conference fee.
Inquiries: Interested in participating or in finding nearby accomodation?
Please, contact the organizers.
Download: Workshop poster
Monday Schedule (9:00 - 18:00)
⦿ Morning Block I
- ⦾ Claudio Verdozzi — Nanoskyrmions in spin–electron systems, with a
preliminary outlook on photonic effects (25 + 10 min) - ⦾ Fabio Caruso — Electron-phonon interactions in the time domain: from
non-equilibrium phonon dynamics to theoretical spectroscopy (25 + 10 min)
⦿ Morning Break (~10:30 - 10:50)
⦿ Morning Block II
- ⦾ Jan-Philip Joost — New Horizons for NEGF: Enabling Large-Scale
Time-Dependent Simulations via Quantum Fluctuations (25 + 10 min) - ⦾ Maksymilian Środa — Memory-Efficient Nonequilibrium Green's Function
Framework Built On Quantics Tensor Trains (25 + 10 min) - ⦾ Alexander Osterkorn — Optical properties of excitonic systems — speedup
from hierarchical off-diagonal low-rank compression (15 + 5 min)
⦿ Lunch Break (12:30 - 14:00)
⦿ Afternoon Block I
- ⦾ Introduction to posters
- ⦾ Iva Brezinova — Projective purification of correlated reduced density
matrices (25 + 10 min) - ⦾ Elias Pescoller — An information theoretic approach to the reconstruction
of reduced density matrices (15 + 5 min)
⦿ Coffee Break (~15:30 - 15:50)
⦿ Afternoon Block II
- ⦾ Anna Hehn — Extending the tool set for excited states in solids — from
static excited-state properties to non-adiabatic molecular dynamics (25 + 10 min) - ⦾ Christopher Makait — Mitigating the aliasing problem in GKBA
simulations of uniform plasmas (15 + 5 min) - ⦾ Vaclav Spicka — TBD (25 + 10 min)
Tuesday Schedule (9:00 - 12:30)
⦿ Morning Block I
- ⦾ Vojtech Vlcek — Real-Time Dyson-Expansion Scheme: Efficient Inclusion
of Dynamical Correlations in Nonequilibrium Spectral Properties (25 + 10 min) - ⦾ Thomas Blommel — Non-equilibrium dissipation-induced band deformation
in strongly excited correlated electron materials (15 + 5 min) - ⦾ Erik Schroedter — Nonequilibrium Spectra within the G1-G2 Scheme (15 + 5 min)
⦿ Morning Break (~10:30 - 10:50)
⦿ Morning Block II
- ⦾ Michael Sentef — Designing Quantum Materials with Light (25 + 10 min)
- ⦾ Nils Jacobsen — Probing topological Floquet states in graphene with
ultrafast THz STM (15 + 5 min)
⦿ Morning Break II (~ 15 min)
⦿ Morning Block III
- ⦾ Yaroslav Pavlyukh — Dynamics of Open Systems Beyond the Wide-Band
Limit: A Linear-Scaling Approach (25 + 10 min) - ⦾ Riku Tuovinen — Thermoelectric energy conversion in molecular junctions
out of equilibrium simulations (25 + 10 min)
⦿ Lunch Break ( – )
⦿ Concluding discussion
# The fourth workshop was held 11th - 12th March 2019
at the Physics Department of Kiel University
Solving the Two-time Kadanoff-Baym Equations.
Status and Open Problems
Organization: Michael Bonitz, Karsten Balzer and Jan-Philip Joost
Confirmed participants:
Karsten Balzer, Michael Bonitz, Jürgen Braun, Fabio Covito, Hubert Ebert, Nicola Gullo,
Sönke Hese, Jan-Philip Joost, Hao Lin, Andrea Marini, Yaroslav Pavlyukh, Maximilian
Rasmussen, Miriam Scharnke, Niclas Schlünzen, Michael Sentef, Gianluca Stefanucci,
Riku Tuovinen, Robert van Leeuwen, Claudio Verdozzi,
Scientific program: There will be approximately 10 invited talks (35 min + discussion),
short talks and posters and ample time for discussion
Schedule: arrival and joint dinner: Sunday afternoon.
Scientific sessions: Monday morning-Tuesday noon.
Departure: Tuesday afternoon
Workshop flyer: download
| Schedule Monday 11th March: | ||
|---|---|---|
| 09:00-09:50 | Gianluca Stefanucci | |
| 10:00-10:50 | Daniel Karlsson | |
| 11:00-11:30 | Break and discussions | |
| 11:30-12:20 | Riku Tuovinen | |
| 12:30-14:00 | Lunch and discussions | |
| 14:00-14:50 | Nicola Lo Gullo | |
| 15:00-15:50 | Jan-Philip Joost | |
| 16:00-16:30 | Break and discussions | |
| 16:30-17:00 | Niclas Schlünzen | |
| 17:00-17:30 | N. Walter Talarico | |
| Schedule Tuesday 12th March: | ||
|---|---|---|
| 09:00-09:50 | Andrea Marini | |
| 09:50-10:30 | Hubert Ebert | |
| 10:30-11:00 | Break and discussions | |
| 11:00-11:50 | Yaroslav Pavlyukh | |
| 11:50-12:40 | Claudio Verdozzi | |
Talks
| Author(s) | Title of presentation | abstract | talk |
|---|---|---|---|
| Hubert Ebert and Jürgen Braun | ''Theoretical description of ultrafast laser-induced demagnetization monitored by photo-emission using the non-equilibrium Green function formalism'' | file | file |
| Nicola Lo Gullo | ''Numerical solution of the Dyson equation in the two-times plane: applications to quantum quenches and transport in many-body quantum systems'' | file | file |
| Jan-Philip Joost | ''Numerical Challenges in the Propagation of the KBEs'' | file | file |
| Daniel Karlsson | ''Speeding up GKBA calculations using initial correlations'' | file | file |
| Andrea Marini | ''The Baym-Kadanoff equation within the GKBA: the only way to a realistic, ab-initio approach? Pros and Cons.'' | file | file |
| Yaroslav Pavlyukh | ''Nonequilibrium electron-boson systems'' | file | file |
| Niclas Schlünzen | ''A Selfenergy Cookbook — State-of-the-Art Computing for the NEGF Key Ingredient'' | file | file |
| Gianluca Stefanucci | ''Toward a NEGF description of photoexcited organic molecules'' | file | file |
| N. Walter Talarico and Nicola Lo Gullo | ''Time dependent energy-current of open and interacting systems out of equilibrium'' | file | file |
| Riku Tuovinen | ''Adiabatic Preparation of a Correlated Symmetry‐Broken Initial State with the Generalized Kadanoff-Baym Ansatz'' | file | file |
| Claudio Verdozzi | ''Steering Magnetic Skyrmions with Nonequilibrium Green’s Functions'' | file | file |
| Markku Hyrkäs (poster) |
''Diagrammatic Expansion for Positive Spectral Functions in the Steady-State Limit'' | file | file |
Updated March 18, 2019
# The third workshop
Non-equilibrium techniques in cosmology
and condensed matter systems
was held 11th - 13th September 2013 at DESY Hamburg, Germany.
It was organized by Matthias Garny, Martin Eckstein and Thomas Konstandin.
# The second informal workshop
Solving the Two-time Kadanoff-Baym Equations.
Status and Open Problems
was held 23th - 25th March 2010 in Kiel (Germany), Physikzentrum - Leibnizstrasse 15.
For details, including program and talks click here.