Critical slowdown of non-equilibrium polaron dynamics
arXiv:1806.09933 · doi:10.1088/1367-2630/ab0a81
Abstract
We study the quantum dynamics of a single impurity following its sudden immersion into a Bose-Einstein condensate. The ensuing formation of the Bose polaron in this general setting can be seen as impurity decoherence driven by the condensate, which we describe within a master equation approach. We derive rigorous analytical results for this decoherence dynamics, and thereby reveal distinct stages of its evolution from a universal stretched exponential initial relaxation to the final approach to equilibrium. The associated polaron formation time exhibits a strong dependence on the impurity speed and is found to undergo a critical slowdown around the speed of sound of the condensate. This rich non-equilibrium behaviour of quantum impurities is of direct relevance to recent cold atom experiments, in which Bose polarons are created by a sudden quench of the impurity-bath interaction.
arXiv comment25 pages, 10 figures
References in corpus (43)
- Feshbach Resonances in Ultracold Gases
- Energetics of a strongly correlated Fermi gas
- Observation of Fermi Polarons in a Tunable Fermi Liquid of Ultracold Atoms
- Metastability and Coherence of Repulsive Polarons in a Strongly Interacting Fermi Mixture
- Observation of Attractive and Repulsive Polarons in a Bose-Einstein Condensate
- Attractive and repulsive Fermi polarons in two dimensions
- Bose polarons in the strongly interacting regime
- Polarons, Dressed Molecules, and Itinerant Ferromagnetism in ultracold Fermi gases
- Ultrafast many-body interferometry of impurities coupled to a Fermi sea
- Repulsive Fermi polarons in a resonant mixture of ultracold Li atoms
- Non-Markovian dynamics in a spin star system: Exact solution and approximation techniques
- Field-theoretical study of the Bose polaron
- Contact Measurements on Atomic BEC
- Probing Slow Relaxation and Many-Body Localization in Two-Dimensional Quasi-Periodic Systems
- Feynman path-integral treatment of the BEC-impurity polaron
- Ultra-cold Polarized Fermi Gases
- Impurity in a Bose-Einstein condensate: study of the attractive and repulsive branch using quantum Monte-Carlo methods
- Quantum dynamics of ultracold Bose polarons
- Impurity in a Bose-Einstein condensate and the Efimov effect
- Quasiparticle properties of a mobile impurity in a Bose-Einstein condensate
- Creation of Rydberg Polarons in a Bose Gas
- Bipolarons in a Bose-Einstein Condensate
- Variational study of polarons in Bose-Einstein condensates
- Rotation of quantum impurities in the presence of a many-body environment
- Radio frequency spectroscopy of polarons in ultracold Bose gases
- Decoherence of Impurities in a Fermi Sea of Ultracold Atoms
- Short-Time Operator Product Expansion for rf Spectroscopy of a Strongly-interacting Fermi Gas
- Strong coupling Bose polarons in a BEC
- Impulsive Laser Induced Alignment of Molecules Dissolved in Helium Nanodroplets
- Bose polarons at finite temperature and strong coupling
- Landau Effective Interaction between Quasiparticles in a Bose-Einstein Condensate
- Universality of an impurity in a Bose-Einstein condensate
- The Bose polaron problem: effect of mass imbalance on binding energy
- Quasiparticle approach to molecules interacting with quantum solvents
- Quantum spin dynamics of individual neutral impurities coupled to a Bose-Einstein condensate
- Tunable Fröhlich Polarons of slow-light polaritons in a two-dimensional Bose-Einstein condensate
- Prethermalization in the cooling dynamics of an impurity in a BEC
- Strong coupling Bose polarons out of equilibrium: Dynamical RG approach
- Many-body interferometry of magnetic polaron dynamics
- Non-Markovian polaron dynamics in a trapped Bose-Einstein condensate
- Electromagnetically induced transparency of ultralong-range Rydberg molecules
- Tunable Polarons in Bose-Einstein Condensates
- Diagrammatic approach to orbital quantum impurities interacting with a many-particle environment
Cited by in corpus (43)
- Non-equilibrium quantum dynamics and formation of the Bose polaron
- Analyzing a Bose polaron across resonant interactions
- Mobile impurity in a Bose-Einstein condensate and the orthogonality catastrophe
- Theory of a resonantly interacting impurity in a Bose-Einstein condensate
- Strong coupling Bose polarons in a two-dimensional gas
- Many-body quantum dynamics and induced correlations of Bose polarons
- Charged polarons and molecules in a Bose-Einstein Condensate
- Dynamical quantum Cherenkov transition of fast impurities in quantum liquids
- Dynamical variational approach to Bose polarons at finite temperatures
- Dissipative correlated dynamics of a moving impurity immersed in a Bose-Einstein Condensate
- Polaron Problems in Ultracold Atoms: Role of a Fermi Sea across Different Spatial Dimensions and Quantum Fluctuations of a Bose Medium
- Life and death of the Bose polaron
- Quantum dynamics of Bose-polaron in a -dimensional Bose Einstein condensate
- Quench Dynamics of the Ideal Bose Polaron at Zero and Nonzero Temperatures
- Dynamics of relaxation and dressing of a quenched Bose polaron
- Mesoscopic spin transport between strongly interacting Fermi gases
- Many-body collisional dynamics of impurities injected into a double-well trapped Bose-Einstein condensate
- Dynamical formation of polarons in a Bose-Einstein condensate: A variational approach
- Bose polaron in spherical trap potentials: Spatial structure and quantum depletion
- Pulse and continuously driven many-body quantum dynamics of bosonic impurities in a Bose-Einstein condensate
- Radiofrequency spectroscopy of one-dimensional trapped Bose polarons: crossover from the adiabatic to the diabatic regime
- Dynamics of a trapped ion in a quantum gas: effects of particle statistics
- Non-equilibrium dynamics of dipolar polarons
- Compound atom-ion Josephson junction: Effects of finite temperature and ion motion
- Fermi polaron in low-density spin-polarized neutron matter
- Tayloring Bose-Einstein condensate environments for a Rydberg impurity
- Dynamics of polaron formation in 1D Bose gases in the strong-coupling regime
- Superfluid flow of polaron polaritons above Landau's critical velocity
- Collisional dynamics of polaronic clouds immersed in a Fermi sea
- Modified mean field ansatz for charged polarons in a Bose-Einstein condensate
- Electronic properties and polaronic dynamics of semi-Dirac system within ladder approximation
- Stochastic-field approach to the quench dynamics of the one-dimensional Bose polaron
- Dissipative dynamics of an impurity with spin-orbit coupling
- Equilibrium and non-equilibrium dynamics of a hole in a bilayer antiferromagnet
- Imaging the interface of a qubit and its quantum-many-body environment
- Quantum Cherenkov transition of finite momentum Bose polarons
- Dissipation-relaxation dynamics of a spin-1/2 particle with a Rashba-type spin-orbit coupling in an ohmic heat bath
- Probing a quantum spin liquid with equilibrium and nonequilibrium hole dynamics
- Self-stabilized Bose polarons
- Composite polaron formed on surface of two-dimensional lattice system in weak coupling regime
- Linear rotor in an ideal Bose gas near the threshold for binding
- Quantum Transport Protected by Acceleration From Nonadiabaticity and Dissipation
- Polaronic dressing of bound states