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Schmidt - Sophie Hermann

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Dr. Sophie Hermann
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Email: Sophie.Hermann@uni-bayreuth.de
Theoretische Physik II, Universität Bayreuth, Germany
ResearchGate
Twitter: @_SophieHermann


Research interests
Active particles, statistical mechanics, exact sum rules.

News. Preis der Stadt Bayreuth 2023, see footage of the President's Dinner and on YouTube.
Emil Warburg-Forschungspreis 2023. Press release.

Details about our use of Noether's Theorem can be found on this webpage and in this press release. See my blog post about variances and invariances at physicscommunity.nature.

May the Hyperforce be with you!


Publications

Hyper-density functional theory of soft matter
Florian Sammüller, Silas Robitschko, Sophie Hermann, and Matthias Schmidt (submitted). arxiv, pdf. arxiv, pdf.

Noether invariance theory for the equilibrium force structure of soft matter
Sophie Hermann, Florian Sammüller, and Matthias Schmidt (J. Phys. A: Math. Theor., submitted). arxiv, pdf.

Why neural functionals suit statistical mechanics
Florian Sammüller, Sophie Hermann, and Matthias Schmidt, J. Phys. Condens. Matter 36, 243002 (2024) (Invited Topical Review). doi, arxiv, tutorial, Press Release, pdf.

Hyperforce balance via thermal Noether invariance of any observable
Silas Robitschko, Florian Sammüller, Matthias Schmidt, and Sophie Hermann, Commun. Phys. 7, 103 (2024). doi, arxiv, pdf, Blog post.

Active crystallization from power functional theory
Sophie Hermann and Matthias Schmidt, Phys. Rev. E (Letter) 109, L022601 (2024). doi, arxiv, pdf.

Neural functional theory for inhomogeneous fluids: Fundamentals and applications
Florian Sammüller, Sophie Hermann, Daniel de las Heras, and Matthias Schmidt, Proc. Nat. Acad. Sci. 120, e2312484120 (2023). doi, arxiv, code, tutorial, Press Release, pdf.

Perspective: How to overcome dynamical density functional theory
Daniel de las Heras, Toni Zimmermann, Florian Sammüller, Sophie Hermann, and Matthias Schmidt,
J. Phys.: Condens. Matter 35, 271501 (2023). (Invited Perspective) doi, arxiv, pdf. Video on Twitter or this webpage. Press Release.

Noether-Constrained Correlations in Equilibrium Liquids
Florian Sammüller, Sophie Hermann, Daniel de las Heras, and Matthias Schmidt, Phys. Rev. Lett. 130, 268203 (2023). doi, arxiv, pdf.

Comparative study of force-based classical density functional theory
Florian Sammüller, Sophie Hermann, and Matthias Schmidt, Phys. Rev. E 107, 034109 (2023). doi, arxiv, pdf.

Force balance in thermal quantum many-body systems from Noether's theorem
Sophie Hermann and Matthias Schmidt, J. Phys. A: Math. Theor. 55, 464003 (2022). (Physics of Michael Berry). doi, arxiv, pdf.

Variance of fluctuations from Noether invariance
Sophie Hermann and Matthias Schmidt, Commun. Phys. 5, 276 (2022). doi, pdf, arxiv, my blog post.

Force density functional theory in- and out-of-equilibrium
Salomée Tschopp, Florian Sammüller, Sophie Hermann, Matthias Schmidt, and Joseph M. Brader, Phys. Rev. E 106, 014115 (2022). doi, pdf, arxiv.

Why Noether's Theorem applies to Statistical Mechanics
Sophie Hermann and Matthias Schmidt, J. Phys.: Condens. Matter 34, 213001 (2022) (invited Topical Review). doi, pdf, arxiv, Noether rules.

Noether's Theorem in Statistical Mechanics
Sophie Hermann and Matthias Schmidt, Commun. Phys. 4, 176 (2021). pdf, doi, arxiv, Noether rules, press release.

Phase separation of active Brownian particles in two dimensions: Anything for a quiet life
Sophie Hermann, Daniel de las Heras, and Matthias Schmidt, Mol. Phys. e1902585 (2021); Gerhard Findenegg Memorial Issue. pdf, doi, arxiv.

Active interface polarization as a state function
Sophie Hermann and Matthias Schmidt, Phys. Rev. Research 2, 022003(R) (2020). pdf, doi, arxiv.

Non-negative interfacial tension in phase-separated active Brownian particles
Sophie Hermann, Daniel de las Heras and Matthias Schmidt, Phys. Rev. Lett. 123, 268002 (2019). arxiv, pdf, doi.

Phase coexistence of active Brownian particles
Sophie Hermann, Philip Krinninger, Daniel de las Heras and Matthias Schmidt, Phys. Rev. E 100, 052604 (2019). arxiv, pdf, doi.

Active ideal sedimentation: Exact two-dimensional steady states
Sophie Hermann and Matthias Schmidt, Soft Matter 14, 1614 (2018). arxiv, pdf, doi.


PhD Thesis

Forces and symmetries in the statistical mechanics of active and thermal many-body systems
Sophie Herman (Dissertation, 2022, Universität Bayreuth, Fakultät für Mathematik, Physik und Informatik). doi, pdf.
Preis der Stadt Bayreuth 2023.
Talks

2018 - Tübingen (12.09): 6th DFT-Days - Phase coexistence in active Brownian particles
2019 - Utrecht (09.04): theory and simulation (T&S) meeting (invited) - Phase coexistence in active Brownian particles: Anything for a quiet life
2020 - Tübingen (21.09): 8th DFT-Days - Noether's theorem in statistical mechanics
2021 - Glasgow (07.04): BMC-BAMC, Minisymposium: Mathematical aspects of non-equilibrium statistical mechanics - Non-negative interfacial tension in phase-separated active Brownian particles (invited talk)
2021 - Prag (22.07): 11th Liquid Matter Conference - Non-negative interfacial tension in phase-separated active Brownian Particles
2021 - Stuttgart (28.10): Group Meeting at MPI - Noether's theorem in Statistical Mechanics
2022 - Paris (04.07): New frontiers in liquid matter - Noether's theorem in statistical mechanics
2022 - 6th International Soft Matter Conference (ISMC) - Poznan, Poland.
2022 - Active days EUTOPIA - Challenges in Active Matter - Paris, France
2023 - SKM DPG Conference, Dresden, Germany. abstract

Lightning Talks

2019 - Freiburg: DFT school - Phase coexistence in active Brownian particles)
2021 - Amsterdam: Molecular Simulation Course - Phase coexistence in active Brownian particles
2021 - Edinburgh: New directions in classical density functional theory - Theory of active crystallization


Posters

2018 - Mainz: Phase coexistence in active Brownian particles [v1]
2019 - Freiburg: Phase coexistence in active Brownian particles [v1]
2019 - Edinburgh: Phase coexistence in active Brownian particles [v2]
2019 - Tübingen: Phase coexistence in active Brownian particles [v2]
2019 - München: Phase coexistence in active Brownian particles [v2]
2020 - Bonn: Non-negative interfacial tension in phase-separated active Brownian particles
2021 - Amsterdam: Phase coexistence in active Brownian particles [v3]
2021 - Prag: Noether's theorem in statistical mechanics

Visits

2019 - Utrecht (08.04 - 10.04)
2021 - Fribourg (01.11 - 15.12)


Universität Bayreuth > Physikalisches Insitut > Theoretische Physik II > M Schmidt
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