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Contact
| Office: | EW 268 |
|---|---|
| Phone: | +49 30 314 28851 |
| Address: | Sekr. EW 7-1 Institut für Theoretische Physik Technische Universität Berlin Hardenbergstr. 36 D-10623 Berlin |
| Email: | sarahloos(a)itp.tu-berlin.de |
| Personal Website: | sarahloos.de |
Research interests
We analytically and numerically investigate nonequilibrium systems that involve noise and time delays. In particular
- Analytical treatment of stochastic delay differential equations
- Fokker-Planck equations for systems with memory
- Stochastic Thermodynamics of non-Markovian and active systems
- Delayed feedback control
Publications
| 12. | S.A.M. Loos Stochastic systems with time delay: probabilistic and thermodynamic descriptions of non-Markovian processes far from equilibrium TU Berlin, DepositOnce (2020) dx.doi.org/10.14279/depositonce-9846 |
| 11. | S.A.M. Loos, S.M. Hermann, & S.H.L. Klapp, Non-reciprocal hidden degrees of freedom: A unifying perspective on memory, feedback, and activity arXiv:1910.08372 (2019) |
| 10. | S.A.M. Loos & S.H.L. Klapp, Fokker-Planck equations for time-delayed systems via Markovian Embedding J. Stat. Phys. 177, 95-118 (2019), springer.com arxiv:1903.02322 |
| 9. | S.A.M. Loos & S.H.L. Klapp, Heat flow due to time-delayed feedback Scientific Reports 9, 2491 (2019), www.nature.com |
| 8. | S.A.M. Loos & S.H.L. Klapp, Force-linearization closure for non-Markovian Langevin systems with time delay Phys. Rev. E 96, 012106 (2017), arXiv:1705.03526 |
| 7. | R. Gernert, S.A.M. Loos, K. Lichtner, & S.H.L. Klapp, Feedback control of colloidal transport in Control of Self-Organizing Nonlinear Systems, ed. by Schöll, Klapp, Hövel (Springer, 2016), www.springer.com/de/book/9783319280271, arXiv:1511.00413v2 |
| 6. | A. Zakharova, S.A.M. Loos, J. Siebert, A. Gjurchinovski, J.C. Claussen, & E. Schöll, Controlling chimera patterns in networks: interplay of structure, noise, and delay, in Control of Self-Organizing Nonlinear Systems, ed. by Schöll, S. H. L. Klapp, P. Hövel (Springer, 2016), www.springer.com/de/book/9783319280271 |
| 5. | S.A.M. Loos, J.C. Claussen, E. Schöll, & A. Zakharova, Chimera patterns under the impact of noise Phys. Rev. E 93, 012209 (2016), arXiv:1508.04010v2 |
| 4. | I. Schneider, M. Kapeller, S. Loos, A. Zakharova, B. Fiedler, and E. Schöll Stable and transient multi-cluster oscillation death in nonlocally coupled networks Phys. Rev. E 92, 052915 (2015), arXiv:1507.01918v1 |
| 3. | S. Loos, A. Zakharova, J. C. Claussen, & E. Schöll, Robustness of chimera states with respect to noise Proceedings of the 7th International Conference on Physics and Control, Istanbul (PhysCon 2015), lib.physcon.ru/doc?id=8954cc0077a0 |
| 2. | A. Zakharova, S. Loos, J. Siebert, A. Gjurchinovski, & E. Schöll, Chimera patterns: influence of time delay and noise IFAC-PapersOnLine 48, 007 (2015), www.sciencedirect.com/science/article/pii/S2405896315022600 |
| 1. | S.A.M. Loos, R. Gernert, & S.H.L. Klapp, Delay-induced transport in a rocking ratchet under feedback control Phys. Rev. E 89, 052136 (2014), arXiv:1403.5905 |
Talks
2020:
- upcoming: CSH Workshop, Wien, June 2020
- DPG Meeting, Dresden, March 2020
- Third Infinity, Goettingen, February 2020
2019:
- ICTP, Trieste, invited by Édgar Roldán, July 2019
- FU Berlin, invited by Roland Netz, July 2019
- Time-delayed stochastic processes - Fokker-Planck approach, Markovian embedding and thermodynamic notions
Universitaet Leipzig, im Seminar der Gruppen Kroy und Cichos, invited by Klaus Kroy, May 2019
http://www.physik.uni-leipzig.de/~auschra/seminar/seminar_newstyle.html - Fokker-Planck description of a delayed stochastic process via Markovian embedding
Symposium of SFB910, May 2019, https://www.itp.tu-berlin.de/
- Stochastic thermodynamics of time-delayed systems via Markovian embedding
EPS - Statistical Physics of Complex Systems, Stockholm, May 2019
https://agenda.albanova.se/conferenceDisplay.py?confId=6502
- Time-delayed feedback – from a thermodynamic perspective
DPG Fruehjahrstagung der Sektion Kondensierter Materie, Regensburg, March 2019
- Stochastic systems with time delay – Fokker-Planck approach, Markovian embedding and thermodynamic notions
in "Oberseminar Dynamics" at TU Muenchen, invited by Christian Kuehn, Munich, Feb 2019
mathcal.ma.tum.de/mc/showtalks
2018:
- Fokker-Planck approach to stochastic systems with time delay – challenges and advances
Universitaet Greifswald, Seminar of the group "Soft Matter Theory", invited by Prof. Ihle, Nov 2018
- Heat flow induced by time-delayed feedback
International Conference of SFB910, Rostock-Warnemuende, Sep 2018 - Stochastic thermodynamics of delayed noisy systems
FU Berlin, Seminar of Prof. Fiedler, June 2018 - Towards a (stochastic) thermodynamic description of non-Markovian delayed systems
DPG Fruehjahrstagung der Sektion Kondensierter Materie, Berlin, March 2018 - Thermodynamics of stochastic systems under time-delayed feedback control
Symposium of SFB 910, Berlin, Jan 2018
2017:
- Approximating the non-Markovian dynamics of classical noisy systems with time-delay
DPG Fruehjahrstagung der Sektion Kondensierter Materie, Dresden, March 2017
2016:
- Approximating the non-Markovian dynamics of classical noisy systems with time-delay
German conference of Women in Physics, Hamburg, Nov
- Probabilistic treatment of steady states of classical overdamped noisy systems with time-delay
International Conference on Control of Complex Systems and Networks, Heringsdorf, September - Probabilistic treatment of steday states of classical overdamped noisy system with time delay
FU Berlin, Seminar of AG Fiedler, invited by Isabelle Schneider, June - Probabilistic treatment of steady states of classical overdamped noisy systems with time-delay
Symposium of SFB 910, Berlin, May - Chimera patterns under the impact of noise
DPG Fruehjahrstagung der Sektion Kondensierter Materie, Regensburg, March
Awards
- EPL poster prize
https://iopscience.iop.org/journal/0295-5075/page/Awards2019 - Physik-Studienpreis 2016 der Physikalischen Gesellschaft zu Berlin
- gefördert durch die Siemens AG -
http://www.pgzb.tu-berlin.de/index.php?id=29
- Stipendium der Studenstiftung des Deutschen Volkes (2013-2015)
- Auslandsstpendium der Studienstiftung des deutschen Volkes (2013-2014)(6-monatiger Forschungsaufenthalt an der Duke University, North Carolina, USA, bei Joshua Socolar
Final Thesis
PhD Thesis:
Stochastic systems with time delay:
Probabilistic and thermodynamic descriptions of non-Markovian processes far from equilibrium
TU Berlin, March 2020
Prof. Dr. Sabine Klapp, TU Berlin
Prof. Dr. Klaus Kroy, Universität Leipzig
Master Thesis:
Noise effects on chimera states in the Stuart-Landau model
TU Berlin, March 2015
Prof. Dr. Eckehard Schöll, PhD
Bachelor Thesis:
Dynamik von Kolloiden in periodischen, zeitabhängigen Potentialen
TU Berlin, September 2012
Prof. Dr. Sabine Klapp
Volunteering and public outreach
- Speaker at Soapboxscience Event:
http://soapboxscience.org/soapbox-science-2019-berlin/ June 2019 - Speaker at Perspektivencafé im Rahmen der TU-Infotage May 2019
- Speaker at Perspektivencafé im Rahmen der TU-Infotage May 2018
Poster
- Heat production in a noisy bistable system with time delay, Optical Trapping Summer School, Gothenburg, Mai 2018
- Steady-state properties of noisy systems with time delay, Thermodynamics and Statistical Mechanics of Small Systems, Rome, September 2017
- Force-linearization closure for noisy systems with time delay, Liquid Matter Conference, Ljubljana, July 2017
- Diffusion of colloidal particles under the impact of time-delayed feedback, DPG Fruehjahrstagung der Sektion Kondensierter Materie, Regensburg, March 2016
- Delay-induced transport in a controlled rocking ratchet, International Conference on Control of Self-Organizing Nonlinear Systems, Warnemuende, August 2014
- Transport in one-dimensional controlled rocked Ratchet Potentials, DPG Fruehjahrstagung der Sektion Kondensierter Materie, Regensburg, March 2013