A compact and fast magnetic coil for the interaction manipulation of quantum gases with Feshbach resonances

Abstract

Cold atom experiments commonly use broad magnetic Feshbach resonances to manipulate the interaction between atoms. In order to induce quantum dynamics by a change of the interaction strength, rapid ($\sim \mu s$) magnetic field changes over several tens of Gauss are required. Here we present a compact design of a coil and its control circuit for a change of the magnetic field up to $36G$ in $3\mu s$. The setup comprises two concentric solenoids with minimal space requirements, which can be readily added to existing apparatuses. This design makes the observation of non-equilibrium physics with broad Feshbach resonances accessible.

4 pages, 4 figures

References in corpus (14)

• Many-Body Physics with Ultracold Gases
• Quantum sensing
• Feshbach Resonances in Ultracold Gases
• Nonequilibrium dynamics of closed interacting quantum systems
• Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
• Ultracold atoms out of equilibrium
• Universal dynamics of a degenerate unitary Bose gas
• Universal Prethermal Dynamics of Bose Gases Quenched to Unitarity
• Probing the excitation spectrum of a Fermi gas in the BCS-BEC crossover regime
• Fast, Runaway Evaporative Cooling to Bose-Einstein Condensation in Optical Traps
• Quantum quench phase diagrams of an s-wave BCS-BEC condensate
• Higgs mode in a strongly interacting fermionic superfluid
• Large atom number Bose-Einstein Condensate machines
• Efficient Continuous-Duty Bitter-Type Electromagnets for Cold Atom Experiments

Cited by in corpus (3)

• Exciting the Higgs mode in a strongly-interacting Fermi gas by interaction modulation
• Two-Body Contact Dynamics in a Bose Gas near a Fano-Feshbach Resonance
• Efficient water-cooled Bitter-type electromagnet for Zeeman slowing in cold-atom experiments