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Interaction-Assisted Reversal of Thermopower with Ultracold Atoms
Samuel Häusler, Philipp Fabritius, Jeffrey Mohan +3
We study thermoelectric currents of neutral, fermionic atoms flowing through a mesoscopic channel connecting a hot and a cold reservoir across the superfluid transition. The thermo…
Coupling a mobile hole to an antiferromagnetic spin background: Transient dynamics of a magnetic polaron
Geoffrey Ji, Muqing Xu, Lev Haldar Kendrick +8
Understanding the interplay between charge and spin and its effects on transport is a ubiquitous challenge in quantum many-body systems. In the Fermi-Hubbard model, this interplay…
Spin transport in a one-dimensional quantum wire
A. -M. Visuri, M. Lebrat, S. Häusler +2
We analyze the spin transport through a finite-size one-dimensional interacting wire connected to noninteracting leads. By combining renormalization-group arguments with other anal…