Author

Bruno Scheihing-Hitschfeld

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Preprint Oct 2026

No Einstein Relation, No Problem: How Relativistic Weakly Coupled Heavy Quarks Equilibrate Beyond Leading Logarithm Anyway

Relativistic heavy quarks equilibrate even when their microscopic drag and momentum diffusion violate the Einstein relation. We investigate how equilibration proceeds as a function of the coupling and compared to simplified Fokker-Planck models. To do this, we present a detailed calculation of the momentum-transfer ker...

J. D. Du Plessis, Bruno Scheihing-Hitschfeld · 0 citations

Preprint Aug 2026

Heavy quark transport in quark-gluon plasma beyond the non-relativistic limit

The dynamics of heavy quarks in quark-gluon plasma (QGP) formed in heavy ion collisions provide a unique window to characterize its properties. Existing approaches to describe heavy quarks in medium rely either on quasiparticle-based models of QGP, or on assuming that the momentum transfer from the medium follows Gauss...

Krishna Rajagopal, Bruno Scheihing-Hitschfeld, U. Wiedemann · 0 citations

Preprint Sep 2026

Quantum Dynamics of Probe Particles in Thermal Fields and the Emergence of Stochastic Dynamics

Starting from a general Hamiltonian describing the quantum dynamics of probe particles interacting with a set of environment degrees of freedom, we derive the quantum master equation with which the reduced density matrix of a probe particle evolves, the general equilibration condition that they satisfy when the environ...

Bruno Scheihing-Hitschfeld · 0 citations