Quantum distillation: dynamical generation of low-entropy states of strongly correlated fermions in an optical lattice

Abstract

Correlations between particles can lead to subtle and sometimes counterintuitive phenomena. We analyze one such case, occurring during the sudden expansion of fermions in a lattice when the initial state has a strong admixture of double occupancies. We promote the notion of quantum distillation: during the expansion, and in the presence of strongly repulsive interactions, doublons group together, forming a nearly ideal band insulator, which is metastable with a low entropy. We propose that this effect could be used for cooling purposes in experiments with two-component Fermi gases.

Final version as published, minor revisions, more discussion on the cooling proposal, includes auxiliary material (EPAPS), 7 pages Revtex 4, 12 eps figures

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• Finite size effects in global quantum quenches: examples from free bosons in an harmonic trap and the one-dimensional Bose-Hubbard model
• Thermodynamics of strongly interacting fermions in two-dimensional optical lattices
• Dynamical Quasicondensation of Hard-Core Bosons at Finite Momenta
• Non-equilibrium electronic transport in a one-dimensional Mott insulator
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• Entanglement spreading after a geometric quench in quantum spin chains
• Nonequilibrium dynamics in the one-dimensional Fermi-Hubbard model: A comparison of the nonequilibrium Green functions approach and the density matrix renormalization group method
• Quantum scars of bosons with correlated hopping
• Sudden expansion of Mott insulators in one dimension
• Long-time behavior of the momentum distribution during the sudden expansion of a spin-imbalanced Fermi gas in one dimension
• Ab initio transport results for strongly correlated fermions
• Real-time energy dynamics in spin-1/2 Heisenberg chains
• Non-Equilibrium Mass Transport in the 1D Fermi-Hubbard Model
• Ultrafast Dynamics of Strongly Correlated Fermions -- Nonequilibrium Green Functions and Selfenergy Approximations
• Doublon dynamics in the extended Fermi Hubbard model
• Expansion dynamics in the one-dimensional Fermi-Hubbard model
• Quantum distillation and confinement of vacancies in a doublon sea
• Entangling many-body bound states with propagative modes in Bose-Hubbard systems
• Landauer, Kubo, and microcanonical approaches to quantum transport and noise: A comparison and implications for cold-atom dynamics
• Fidelity of fermionic atom-number states subjected to tunneling decay
• Light scattering and dissipative dynamics of many fermionic atoms in an optical lattice
• Out-of-equilibrium states and quasi-many-body localization in polar lattice gases
• Motion of a distinguishable impurity in the Bose gas: Arrested expansion without a lattice and impurity snaking
• Expansion of one-dimensional lattice hard-core bosons at finite temperature
• Expansion of Bose-Hubbard Mott insulators in optical lattices
• Bound states and expansion dynamics of interacting bosons on a one-dimensional lattice
• Expansion velocity of a one-dimensional, two-component Fermi gas during the sudden expansion in the ballistic regime
• Dimer, trimer and FFLO liquids in mass- and spin-imbalanced trapped binary mixtures in one dimension
• Quantum quench spectroscopy of a Luttinger liquid: Ultrarelativistic density wave dynamics due to fractionalization in an XXZ chain
• Doublon formation by ions impacting a strongly correlated finite lattice system
• Squeezing and robustness of frictionless cooling strategies
• Emergent eigenstate solution and emergent Gibbs ensemble for expansion dynamics in optical lattices
• Hydrodynamic description of Hard-core Bosons on a Galileo ramp
• Interaction quantum quenches in the one-dimensional Fermi-Hubbard model with spin imbalance
• Interaction-induced conducting-nonconducting transition of ultra-cold atoms in 1D optical lattices
• Quantum dynamics of impenetrable SU(N) fermions in one-dimensional lattices
• Quasi-soliton scattering in quantum spin chains
• Dynamical self-stabilization of the Mott insulator: Time evolution of the density and entanglement entropy of out-of-equilibrium cold fermion gases
• Real-time dynamics of particle-hole excitations in Mott insulator-metal junctions
• Ground states and dynamics of population-imbalanced Fermi condensates in one dimension
• Dynamics and evaporation of defects in Mott-insulating clusters of boson pairs
• Creation and dynamics of remote spin-entangled pairs in the expansion of strongly correlated fermions in an optical lattice
• Time Evolution with the DMRG Algorithm: A Generic Implementation for Strongly Correlated Electronic Systems
• Sudden expansion and domain-wall melting of strongly interacting bosons in two-dimensional optical lattices and on multileg ladders
• Interaction-induced anomalous transport behavior in one dimensional optical lattice
• Preparation of stable excited states in an optical lattice via sudden quantum quench
• Unveiling hidden structure of many-body wavefunctions of integrable systems via sudden expansion experiments
• Equilibrium and nonequilibrium entanglement properties of 2D and 3D Fermi gases
• Propagation of a single hole defect in the one-dimensional Bose-Hubbard model
• Self trapping in the two-dimensional Bose-Hubbard model
• Solitary excitations in one-dimensional spin chains
• Dynamics and level statistics of interacting fermions in the Lowest Landau Level
• Dynamical quantum phase transitions in the one-dimensional extended Fermi-Hubbard model
• Dissipative Preparation of Antiferromagnetic Order in the Fermi-Hubbard Model
• Out-of-equilibrium Correlated Systems : Bipartite Entanglement as a Probe of Thermalization
• Atomic Fock states by gradual trap reduction: from sudden to adiabatic limits
• Page curve entanglement dynamics in an analytically solvable model
• Quantum adiabatic protocols using emergent local Hamiltonians
• Kinetics of Bose-Einstein condensation in a dimple potential
• Controllable Finite-Momenta Dynamical Quasicondensation in the Periodically Driven One-Dimensional Fermi-Hubbard Model
• Magnetic Doublon Bound States in the Kondo Lattice Model
• Efficiency of fermionic quantum distillation
• Short-time Spin Dynamics in Strongly Correlated Few-fermion Systems
• Effects of interaction and polarization on spin-charge separation: A time-dependent spin-density-functional theory study
• Adiabatic spin cooling using high-spin Fermi gases
• Page Curve and Entanglement Dynamics in an Interacting Fermionic Chain
• Optimization of collisional Feshbach cooling of an ultracold nondegenerate gas
• Cooling Fermions in an Optical Lattice by Adiabatic Demagnetization
• Quantum Joule Expansion of One-Dimensional Systems
• Disappearance of Quasiparticles in a Bose Lattice Gas
• Active Quantum Distillation
• Relaxation dynamics of a quantum spin coupled to a topological edge state
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