Jonas Richter

Marie Skłodowska-Curie Postdoctoral Fellow


Stanford University

Geballe Laboratory for Advanced Materials

476 Lomita Mall

Stanford, CA 94305, USA


jonasr1@stanford.edu

jonas.richter@itp.uni-hannover.de

About me

I am a theoretical physicist and currently a Marie Skłodowska-Curie Postdoctoral Fellow. I am hosted by the Geballe Laboratory for Advanced Materials at Stanford University, USA, and the Institute of Theoretical Physics at Leibniz Universität Hannover, Germany. Prior to that I was a postdoc in the Department of Physics and Astronomy at University College London, UK. I obtained my PhD from the University of Osnabrück, Germany.
Academic positions and Education

Marie Skłodowska-Curie Postdoctoral Fellow

2022 -
Stanford University, USA

Host: Vedika Khemani

Leibniz Universität Hannover, Germany

Host: Tobias J. Osborne

Postdoctoral Research Fellow

2020 - 2022
University College London, UK

Group of Arijeet Pal

Ph.D.

2017 - 2020
Universität Osnabrück, Germany

Advisor: Robin Steinigeweg

B.Sc. and M.Sc.

2011 - 2017
Technische Universität Braunschweig, Germany

Advisor: Wolfram Brenig

Funding

I was awarded a MSCA Postdoctoral Fellowship by the European Commission for my project MaBoQuaCo "Quantum Many-Body Dynamics and Noisy Intermediate-Scale Quantum Computers: Interconnections, Near-Term Applications, and Novel Simulation Schemes". The goal of the project is to explore fundamental aspects of nonequilibrium many-body quantum physics at the intersection of condensed matter physics, quantum statistical mechanics, and quantum information.
The project has a total budget of approximately 240.000€, giving me the opportunity to conduct research at Stanford University, USA, during the first phase, as well as at Leibniz Universität Hannover, Germany, during the second phase.
I started to write a blog, where I want to report on the progress of my project, write about some general aspects of quantum physics, and share some thoughts about the life as a postdoc. If you are interested, click here.

Research

I am interested in various aspects of quantum many-body physics:
  • Far-from-equilibrium dynamics and thermalization
  • Eigenstate thermalization hypothesis
  • Many-body localization
  • Numerical approaches to quantum many-body dynamics
  • Emergence of hydrodynamic transport in many-body systems
  • Quantum scars and Hilbert-space fragmentation
  • Applications of NISQ devices in quantum many-body physics
  • Quantum typicality

A seminar talk about some of my work can be found here.
Below are selected figures of some of my publications. Feel free to click on an image for more details. For a more complete picture, check out my full list of publications.

  • All
  • 2024
  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2018

Publications

Preprints of my publications can be found on my arXiv page.
You can also have a look at my Google Scholar profile.
My PhD thesis is published here.
My ORCID is 0000-0003-2184-5275.
  1. Temporal relaxation of disordered many-body quantum systems under driving and dissipation
    J. Richter

  2. Transport and integrability-breaking in non-Hermitian many-body quantum systems
    D. E. Mahoney and J. Richter

  3. Lindblad dynamics from spatio-temporal correlation functions in nonintegrable spin-1/2 chains with different boundary conditions
    M. Kraft, J. Richter, F. Jin, S. Nandy, J. Herbrych, K. Michielsen, H. De Raedt, J. Gemmer, and R. Steinigeweg

  4. Emergence of unitary symmetry of microcanonically truncated operators in chaotic quantum systems
    J. Wang, J. Richter, M. H. Lamann, R. Steinigeweg, J. Gemmer, and A. Dymarsky

  5. Spin-1/2 XXZ chain coupled to two Lindblad baths: Constructing nonequilibrium steady states from equilibrium correlation functions
    T. Heitmann, J. Richter, F. Jin, S. Nandy, Z. Lenarčič, J. Herbrych, K. Michielsen, H. De Raedt, J. Gemmer, and R. Steinigeweg Letter

  6. Real-time broadening of bath-induced density profiles from closed-system correlation functions
    T. Heitmann, J. Richter, J. Herbrych, J. Gemmer, and R. Steinigeweg

  7. Hydrodynamics in long-range interacting systems with center-of-mass conservation
    A. Morningstar, N. O'Dea, and J. Richter Letter

  8. Absence of localization in two-dimensional Clifford circuits
    T. Farshi, J. Richter, D. Toniolo, A. Pal, and L. Masanes

  9. Transport and entanglement growth in long-range random Clifford circuits
    J. Richter, O. Lunt, and A. Pal Letter

  10. Spatiotemporal dynamics of classical and quantum density profiles in low-dimensional spin systems
    T. Heitmann, J. Richter, F. Jin, K. Michielsen, H. De Raedt, and R. Steinigeweg

  11. Quantum simulation using noisy unitary circuits and measurements
    O. Lunt, J. Richter, and A. Pal Review article

  12. Many-body localization and delocalization dynamics in the thermodynamic limit
    J. Richter and A. Pal Letter

  13. Eigenstate thermalization hypothesis and its deviations from random-matrix theory beyond the thermalization time
    J. Wang, M. H. Lamann, J. Richter, R. Steinigeweg, A. Dymarsky, and J. Gemmer Letter

  14. Anomalous hydrodynamics in a class of scarred frustration-free Hamiltonians
    J. Richter and A. Pal Letter

  15. Nontrivial damping of quantum many-body dynamics
    T. Heitmann, J. Richter, J. Gemmer, and R. Steinigeweg

  16. Quantum versus classical dynamics in spin models: Chains, ladders, and square lattices
    D. Schubert, J. Richter, F. Jin, K. Michielsen, H. De Raedt, and R. Steinigeweg

  17. Quantum scars and bulk coherence in a symmetry-protected topological phase
    J. Jeyaretnam, J. Richter, and A. Pal

  18. Simulating hydrodynamics on noisy intermediate-scale quantum devices with random circuits
    J. Richter and A. Pal Letter PRL Editors' Suggestion

  19. Eigenstate thermalization hypothesis beyond standard indicators: Emergence of random-matrix behavior at small frequencies
    J. Richter, A. Dymarsky, R. Steinigeweg, and J. Gemmer

  20. Quantum quench dynamics in the transverse-field Ising model: A numerical expansion in linked rectangular clusters
    J. Richter, T. Heitmann, and R. Steinigeweg

  21. Density dynamics in the mass-imbalanced Hubbard chain
    T. Heitmann, J. Richter, T. Dahm, and R. Steinigeweg

  22. Exponential damping induced by random and realistic perturbations
    J. Richter, F. Jin, L. Knipschild, H. De Raedt, K. Michielsen, J. Gemmer, and R. Steinigeweg

  23. Finite-size scaling of typicality-based estimates
    J. Schnack, J. Richter, T. Heitmann, J. Richter, and R. Steinigeweg

  24. Selected applications of typicality to real-time dynamics of quantum many-body systems
    T. Heitmann, J. Richter, D. Schubert, and R. Steinigeweg Review article

  25. Temporal relaxation of gapped many-body quantum systems
    P. Reimann, B. N. Balz, J. Richter, and R. Steinigeweg

  26. Decay of spin-spin correlations in disordered quantum and classical spin chains
    J. Richter, D. Schubert, and R. Steinigeweg

  27. Magnetization dynamics in clean and disordered spin-1 XXZ chains
    J. Richter, N. Casper, W. Brenig, and R. Steinigeweg

  28. Relaxation of dynamically prepared out-of-equilibrium initial states within and beyond linear response theory
    J. Richter, M. H. Lamann, C. Bartsch, R. Steinigeweg, and J. Gemmer

  29. Impact of eigenstate thermalization on the route to equilibrium
    J. Richter, J. Gemmer, and R. Steinigeweg Rapid Communication

  30. Magnetization and energy dynamics in spin ladders: Evidence of diffusion in time, frequency, position, and momentum
    J. Richter, F. Jin, L. Knipschild, J. Herbrych, H. De Raedt, K. Michielsen, J. Gemmer, and R. Steinigeweg

  31. Combining dynamical quantum typicality and numerical linked cluster expansions
    J. Richter and R. Steinigeweg

  32. Relation between far-from-equilibrium dynamics and equilibrium correlation functions for binary operators
    J. Richter and R. Steinigeweg

  33. Dynamical typicality for initial states with a preset measurement statistics of several commuting observables
    B. N. Balz, J. Richter, J. Gemmer, R. Steinigeweg, and P. Reimann

  34. Sudden removal of a static force in a disordered system: Induced dynamics, thermalization, and transport
    J. Richter, J. Herbrych, and R. Steinigeweg

  35. Real-time dynamics of typical and untypical states in non-integrable systems
    J. Richter, F. Jin, H. De Raedt, K. Michielsen, J. Gemmer, and R. Steinigeweg