Quantum Phase Slips: from condensed matter to ultracold quantum gases

Abstract

Quantum phase slips are the primary excitations in one-dimensional superfluids and superconductors at low temperatures. They have been well characterized in most condensed-matter systems, and signatures of their existence has been recently observed in superfluids based on quantum gases too. In this review we briefly summarize the main results obtained on the investigation of phase slips from superconductors to quantum gases. In particular we focus our attention on recent experimental results of the dissipation in one-dimensional Bose superfluids flowing along a shallow periodic potential, which show signatures of quantum phase slips.

10 pages, 6 figures

References in corpus (14)

• Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
• Non-equilibrium coherence dynamics in one-dimensional Bose gases
• Feshbach resonances in ultracold K(39)
• Non-equilibrium Gross-Pitaevskii dynamics of boson lattice models
• Phase diagram for a Bose-Einstein condensate moving in an optical lattice
• Connecting dissipation and phase slips in a Josephson junction between fermionic superfluids
• Decay of a superfluid currents in a moving system of strongly interacting bosons
• Superfluid-insulator transition in a moving system of interacting bosons
• Phase-slip induced dissipation in an atomic Bose-Hubbard system
• Formation of Quantum Phase Slip Pairs in Superconducting Nanowires
• Temperature induced decay of persistent currents in a superfluid ultracold gas
• Quantum phase slips in the presence of finite-range disorder
• Localization and Anomalous Transport in a 1-D Soft Boson Optical Lattice
• Exploring quantum phase slips in 1D bosonic systems