Homepage of Marius Möller

Address: Institut für Theoretische Physik Goethe-Universität Frankfurt am Main Max-von-Laue-Strasse 1 60438 Frankfurt Germany Office: 01.145 Phone: +49-69-798-47830 Fax: +49-69-798-47832 E-Mail: mmoeller itp.uni-frankfurt.de

Ph.D. Student in the group of Prof. Dr. Roser Valentí

---

Research interests:

• Exact Diagonalization Techniques
  
• Krylov Subspace Methods
  
• Frustrated Magnetism
  
• Numerical Methods for the Many Body Problem
  

Publications:

• Marius Möller, P.A. Maksimov, Shengtai Jiang, Steven R. White, Roser Valentí, A.L. Chernyshev
  Rethinking α-RuCl3: Parameters, models, and phase diagram
  Physical Review B 112, 104403 (2025) (Editors' Suggestion)
  
  

• David A. S. Kaib, Marius Möller, Roser Valentí
  Nonlinear Spectroscopy as a Magnon Breakdown Diagnosis and its Efficient Simulation
  arXiv:2502.01746 (2025)
  
  

• Axel Fünhaus, Marius Möller, Thilo Kopp, Roser Valentí
  Topological Phase Transitions of Interacting Fermions in the Presence of a Commensurate Magnetic Flux
  Physical Review B 110, 045107 (2024)
  
  

Bachelor/Master's Thesis:

• Master's Thesis (2022):
  Numerical Studies of Phase Diagrams of Generalized Kitaev Models
  
• Bachelor's Thesis (2020):
  Breakdown of Ergodicity in an Attractive Hubbard Model through Hilbert Space Fragmentation
  

---

Teaching:

• WS 22:        Tutorial Theoretische Physik 5 - Thermodynamik und Statistische Physik
  
• SS 23:        Tutorial Theoretische Physik 2 - Klassische Mechanik
  
• WS 23:        Tutorial Theoretische Physik 1 - Mathematische Methoden
  
• SS 24:        Tutorial Advanced Introduction to C++, Scientific Computing and Machine Learning
  
• WS 24:        Tutorial Machine Learning Primer
  
• SS 25:        Tutorial Theoretische Physik 4 - Quantenmechanik
  

---