Author

J. Freericks

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Preprint Aug 2026

Anomalous dynamical energy flows via nonlinear phononics in spin-Peierls chains

We investigate the nonequilibrium spin-phonon dynamics and energy cascades in a strongly dimerized spin-Peierls chain using a multi-tiered nonlinear phononics architecture. To bypass linear selection rules prohibiting the direct excitation of the Raman-active dimerization mode, a terahertz laser drives an infrared mode...

Jakob Dolgner, D. Manske, J. Freericks et al. · 0 citations

Preprint Sep 2026

Large-scale quantum simulations of dissipative spin-1/2 Heisenberg chains

A quantum many-body system coupled to an environment relaxes to a nonequilibrium steady state that can sustain order with no equilibrium counterpart. Computing such steady states is harder than closed-system dynamics as the density matrix problem squares the Hilbert-space dimension, and no free energy selects the stead...

João C. Getelina, Andrew A. Cox, Md. Asaduzzaman et al. · 1 citation