To content
Department of Physics

Research Topics

We are doing research in a variety of topics in condensed matter theory, see the list below. Recent results are summarized in the Research Highlights.

Correlated solid state systems with prominent quantum effects

  • Quantum spin systems
  • Strongly interacting electronic systems
  • Inelastic scattering or absorption
  • Binding phenomena
  • Topologically non-trivial systems

Research Highlights

Figure:
Mutually attracting spin waves in the square-lattice quantum antiferromagnet
M. Powalski, K.P. Schmidt, and G.S. Uhrig
SciPost Phys. 4, 001 (2018)

Pulication Figure for "Correlated solid state systems with prominent quantum ef­fects".. © Michael Powalski et al.​/​SciPost Phys. 4, 001 (2018)

Non-equilibrium physics

  • Quenched lattice systems
  • Periodically pulsed and continuously driven systems
  • Stroboscopic stationary states
  • Ultrafast magnetism

Research Highlights

Figure:
Dynamical properties of a driven dissipative dimerized S=1/2 chain
M. Yarmohammadi, C. Meyer, B. Fauseweh, B. Normand, and G.S. Uhrig
Phys. Rev. B 103, 045132 (2021)

Pulication Figure for "Non-equiibrium physics" illustrating the energy flow in a spin-phonon-coupled system driven by a laser field. © 2021 American Physical Society​/​Phys Rev. B. 103, 045132 (2021)

Coherence and coherent control

  • Dynamic decoupling
  • Robust quantum gates
  • Pulse protocols
  • Spin noise

Research Highlights

Figure:
Resonant spin amplification in Faraday geometry
P. Schering, E. Evers, V. Nedelea, D.S. Smirnov, E.A. Zhukov, D.R. Yakovlev, M. Bayer, G.S. Uhrig, and A. Greilich
Phys. Rev. B 103, L201301 (2021)

Pulication Figure for "Coherence and coherent control" demonstrating resonant spin amplification in Faraday geometry. © 2021 American Physical Society​/​Phys. Rev. B 103, L201301 (2021)