Technique - (1) Ultracold Fermi gas quantum transport / thermodynamics

Type: Experimental

Description: Studying mesoscopic quantum transport in atomic Fermi gases using quantum point contacts, reservoirs, and tunneling junctions to model nanoscale quantum devices.

Department(s)/lab(s): Physics – Institute of Physics (IPHYS) | Brantut Lab (Ultracold Fermi Gases) @ EPFL
Summary:

Brantut's lab studies quantum transport in ultracold Fermi gases, using them as quantum simulators for nanoscale solid-state devices. Research directions: (1) Mesoscopic quantum transport — fermionic cold atoms transported through quantum point contacts, studying conductance quantization, shot noise, and thermoelectric effects in atomic-scale channels; (2) Fermionic superfluidity in confined geometries — observing and probing pairing in constrictions; (3) Dissipation and open quantum systems — controlled introduction of loss to study non-Hermitian quantum physics; (4) Quantum thermometry in ultracold systems — using transport signatures as precision thermometers. Analogous to quantum Hall measurements and nanoelectronics in an ultra-clean platform.