Realization of an Excited, Strongly-Correlated Quantum Gas Phase

Abstract

Ultracold atomic physics offers myriad possibilities to study strongly correlated many-body systems in lower dimensions. Typically, only ground state phases are accessible. Using a tunable quantum gas of bosonic cesium atoms, we realize and control in one dimensional geometry a highly excited quantum phase that is stabilized in the presence of attractive interactions by maintaining and strengthening quantum correlations across a confinement-induced resonance. We diagnose the crossover from repulsive to attractive interactions in terms of the stiffness and the energy of the system. Our results open up the experimental study of metastable excited many-body phases with strong correlations and their dynamical properties.

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• Surmounting the sign problem in non-relativistic calculations: a case study with mass-imbalanced fermions
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• Strongly interacting trapped one-dimensional quantum gases: an exact solution
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• All optical cooling of ${}^{39}$K to Bose Einstein condensation
• A Pure Confinement Induced Trimer in One-Dimensional Atomic Waveguides
• Fractional energy states of strongly-interacting bosons in one dimension
• Exploring the few- to many-body crossover using cold atoms in one dimension
• Confinement-induced Resonances in Quasi-one-dimensional Traps with Transverse Anisotropy
• Polylogs, thermodynamics and scaling functions of one-dimensional quantum many-body systems
• Dark quantum droplets and solitary waves in beyond-mean-field Bose-Einstein condensate mixtures
• Dynamical structure factor of one-dimensional hard rods
• Exact Solution for 1D Spin-Polarized Fermions with Resonant Interactions
• Thermodynamic behavior of a one-dimensional Bose gas at low temperature
• Dissociation of one-dimensional matter-wave breathers due to quantum many-body effects
• Spin dynamics and Andreev-Bashkin effect in mixtures of one-dimensional Bose gases
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• Effective Long-distance Interaction from Short-distance Interaction in Periodically Driven One-dimensional Classical System
• CONAN -- the cruncher of local exchange coefficients for strongly interacting confined systems in one dimension
• Tan's contact of a harmonically trapped one-dimensional Bose gas: strong-coupling expansion and conjectural approach at arbitrary interactions
• Accelerating the convergence of exact diagonalization with the transcorrelated method: Quantum gas in one dimension with contact interactions
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• Bound states of Dipolar Bosons in One-dimensional Systems
• Collective many-body bounce in the breathing-mode oscillations of a Tonks-Girardeau gas
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• Probing non-thermal density fluctuations in the one-dimensional Bose gas
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• Multispecies time-dependent restricted-active-space self-consistent-field theory for ultracold atomic and molecular gases
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• Finite-Temperature Fluid-Insulator Transition of Strongly Interacting 1D Disordered Bosons
• Adiabatic formation of bound states in the 1d Bose gas
• Three-body repulsive forces among identical bosons in one dimension
• Collective modes of a one-dimensional trapped atomic Bose gas at finite temperatures
• Exact Results for the Boundary Energy of One-Dimensional Bosons
• Quantum dynamics of two trapped bosons following infinite interaction quenches
• Quantum dynamical response of ultracold few boson ensembles in finite optical lattices to multiple interaction quenches
• Zero temperature momentum distribution of an impurity in a polaron state of one-dimensional Fermi and Tonks-Girardeau gases
• Lattice Induced Resonances in One Dimensional Bosonic Systems
• Hydrodynamic VS collisionless dynamics of a 1D harmonically trapped Bose gas
• Spectral properties and breathing dynamics of a few-body Bose-Bose mixture in a 1D harmonic trap
• Quantum Critical Behavior of One-Dimensional Soft Bosons in the Continuum
• Exactly-solvable system of one-dimensional trapped bosons with short and long-range interactions
• Strongly interacting one-dimensional quantum gas mixtures with weak p-wave interactions
• Collective modes of a harmonically trapped one-dimensional Bose gas: the effects of finite particle number and nonzero temperature
• Exact equivalence between one-dimensional Bose gases interacting via hard-sphere and zero-range potentials
• Dynamical self-stabilization of the Mott insulator: Time evolution of the density and entanglement entropy of out-of-equilibrium cold fermion gases
• Confinement-Induced Resonances in Ultracold Atom-Ion Systems
• A connection between non-local one-body and local three-body correlations of the Lieb-Liniger model
• Ballistic quench-induced correlation waves in ultracold gases
• Photon-mediated Peierls Transition of a 1D Gas in a Multimode Optical Cavity
• Josephson oscillations in split one-dimensional Bose gases
• Equilibration and GGE for hard wall boundary conditions
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• A finite-time quantum Otto engine with tunnel coupled one-dimensional Bose gases
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• Strongly Correlated Quantum Gas Prepared by Direct Laser Cooling
• Dark-soliton-like excitations in the Yang-Gaudin gas of attractively interacting fermions
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• Two interacting ultracold molecules in a one-dimensional harmonic trap
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• Quantum dark solitons in ultracold one-dimensional Bose and Fermi gases
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• Effective field theory of interactions on the lattice
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• Anomalous frequency shifts in a one-dimensional trapped Bose gas
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• Dynamics of spin and density fluctuations in strongly interacting few-body systems
• Observation of universal dissipative dynamics in strongly correlated quantum gas
• Adiabatic Tracking of a State: a New Route to Nonequilibrium Physics
• Quantum holonomy in Lieb-Liniger model
• Shifts and widths of Feshbach resonances in atomic waveguides
• Loop Structure Stability of a Double-Well-Lattice BEC
• Modulated trapping of interacting bosons in one dimension
• Exactly solvable models and ultracold Fermi gases
• Preparation of stable excited states in an optical lattice via sudden quantum quench
• Analytical thermodynamics of a strongly attractive three-component Fermi gas in one dimension
• Reduced density matrix approach to ultracold few-fermion systems in one dimension
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• Entanglement of an Impurity in a Few-Body One-Dimensional Ideal Bose System
• Quasi-one-dimensional scattering in a discrete model
• Effects of atom losses on a one-dimensional lattice gas of hardcore bosons
• Critical phenomena in one dimension from a Bethe ansatz perspective
• An analytical approach to atomic multichannel collisions in tight harmonic waveguides
• Analytic thermodynamic properties of the Lieb-Liniger gas
• Energy dependent $\ell$-wave confinement-induced resonances
• Effective super Tonks-Girardeau gases as ground states of strongly attractive multi-component fermions
• Quasi-1D scattering with general transverse 2D confinement
• Quasi-1D atomic gases across wide and narrow confinement-induced-resonances
• Dissipative Effects on the Superfluid to Insulator Transition in Mixed-dimensional Optical Lattices
• Non-equilibrium aspects of integrable models
• Spatial entanglement entropy in the ground state of the Lieb-Liniger model
• Universal local pair correlations of Lieb-Liniger bosons at quantum criticality
• Dynamics of a few interacting bosons escaping from an open well
• Improving Efficiency of Sympathetic Cooling in Atom-Ion and Atom-Atom Confined Collisions
• Quantum quench dynamics of the attractive one-dimensional Bose gas via the coordinate Bethe ansatz
• Correlation properties of a one-dimensional repulsive Bose gas at finite temperature
• Global optimization for quantum dynamics of few-fermion systems
• Two-body state with p-wave interaction in one-dimensional waveguides under transversely anisotropic confinement
• Resonant d-wave scattering in harmonic waveguides
• Controlled excitation and resonant acceleration of ultracold few-boson systems by driven interactions in a harmonic trap
• A superheated Bose-condensed gas
• Master equation approach for interacting slow- and stationary-light polaritons
• Transport, atom blockade and output coupling in a Tonks-Girardeau gas
• Quasi-One-Dimensional Dipolar Quantum Gases
• The BBGKY hierarchy for ultracold bosonic systems: II. Applications
• Observing dipolar confinement-induced resonances in waveguides
• Comparing models for the ground state energy of a trapped one-dimensional Fermi gas with a single impurity
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• Observation of confinement-induced resonances in a 3D lattice
• Breakdown of the scale invariance in the vicinity of Tonks-Girardeau gas
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• Something interacting and solvable in 1d
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• Controlling integrability in a quasi-1D atom-dimer mixture
• Phase diagram of two-component dipolar fermions in one-dimensional optical lattices
• Two-channel model description of confinement-induced Feshbach molecules
• Landau-Lifschitz magnets: exact thermodynamics and transport
• Quench between a Mott insulator and a Lieb-Liniger liquid
• Escape dynamics of Bose-Hubbard dimer out of a trap
• Spin-incoherent one-dimensional spin-1 Bose Luttinger liquid
• Probing two Higgs oscillations in a one-dimensional Fermi superfluid with Raman-type spin-orbit coupling
• Collective excitations of a dilute Bose gas at finite temperature: TDHFB Theory
• Tuning an effective spin chain of three strongly interacting one-dimensional fermions with the transversal confinement
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• Thermal fading of the $1/k^4$-tail of the momentum distribution induced by the hole anomaly
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• Ultrastable super-Tonks-Girardeau gases under weak dipolar interactions
• Ultracold-atom collisions in atomic waveguides : A two-channel analysis
• Bloch vector, disclination and exotic quantum holonomy
• Adiabatic excitation of a confined particle in one dimension with a variable infinitely sharp wall
• One-dimensional purely Lee-Huang-Yang fluids dominated by quantum fluctuations in two-component Bose-Einstein condensates
• Many-particle Systems in One Dimension in the Harmonic Approximation
• Computation of local exchange coefficients in strongly interacting one-dimensional few-body systems: local density approximation and exact results
• Quasi one-dimensional Bose-Einstein condensate in gravito-optical surface trap
• The dynamics of digits: Calculating pi with Galperin's billiards
• Symmetry oscillations in strongly interacting one-dimensional mixtures
• Magnetic properties and quench dynamics of two interacting ultracold molecules in a trap
• Fractional exclusion statistics and thermodynamics of the Hubbard chain in the spin-incoherent Luttinger liquid regime
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• Repulsive dynamics of strongly attractive one-dimensional quantum gases
• Width and shift of Fano-Feshbach resonances for van der Waals interactions
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• Interaction quench of dipolar bosons in a one-dimensional optical lattice
• Identical Wells, Symmetry Breaking, and the Near-Unitary Limit
• One Dimensional 1H, 2H and 3H
• Multichannel Scattering and Loss Processes of Ultracold Atoms in Anisotropic Harmonic Waveguides
• Finite-temperature dynamics of a Tonks-Girardeau gas in a frequency-modulated harmonic trap
• Multiple-Channel Scattering Resonance of One-Dimensional Ultracold Spinor Bosons
• Emergence of junction dynamics in a strongly interacting Bose mixture
• Separation induced resonances in quasi-one-dimensional ultracold atomic gases
• Photon-assisted confinement-induced resonances for ultracold atoms
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• Emergence of dark soliton signatures in a one-dimensional unpolarized attractive Fermi gas on a ring
• Tunable topological phases with fermionic atoms in a one-dimensional flux lattice
• Controlling spin motion and interactions in a one-dimensional Bose gas
• The lowest scattering state of one-dimensional Bose gas with attractive interactions
• Super-Tonks-Girardeau Quench in the Extended Bose-Hubbard Model
• Ground-State Magnetization in Mixtures of a Few Ultra-Cold Fermions in One-Dimensional Traps
• Probing an effective-range-induced super fermionic Tonks-Girardeau gas with ultracold atoms in one-dimensional harmonic traps
• Dipolar particles in a double-trap confinement: Response to tilting the dipolar orientation
• Equation of state for the one-dimensional attractive δ-potential Bose gas in the weak-coupling regime
• Analytical treatment of bosonic d-wave scattering in isotropic harmonic waveguides
• Crystalline phase for one-dimensional ultra-cold atomic bosons
• Thermodynamics and spin-charge separation of one-dimensional strongly repulsive three-component fermions
• One-dimensional ultracold atomic gases: Impact of the effective range on integrability
• Resonance triplet dynamics in the quenched unitary Bose gas
• Confinement induced interlayer molecules: a route to strong interatomic interactions
• Dynamic structure function of two interacting atoms in 1D
• One-dimensional model of chiral fermions with Feshbach resonant interactions
• Exotic quantum holonomy and non-Hermitian degeneracies in two-body Lieb-Liniger model
• Dynamical symmetry and pair tunneling in a one-dimensional Bose gas colliding with a mobile impurity
• Ultracold bosons in one-dimensional harmonic and multi-well traps: a Quantum Monte Carlo vs a correlated pair approach
• Phase Equilibrium of Binary Mixtures in Mixed Dimensions
• A bosonic multi-state two-well model
• Phase-matching condition for enhanced entanglement of colliding indistinguishable quantum bright solitons in a harmonic trap
• Beats and Expansion of Two-Component Bose-Einstein Condensates in the Thomas-Fermi Limit
• The weakening of fermionization of one dimensional spinor Bose gases induced by spin-exchange interaction
• Ultracold and dense samples of ground-state molecules in lattice potentials
• Exact Solutions to Two-Component Many-Body Systems in One Dimension
• Classical Dynamics of Harmonically Trapped Interacting Particles
• Probing the quantum state of a 1D Bose gas using off-resonant light scattering
• Interaction-Induced Dimensional Crossover through Full 3D to 1D
• Complete population inversion of Bose particles by an adiabatic cycle
• Fermi super-Tonks-Girardeau state for attractive Fermi gases in an optical lattice
• Momentum distribution and non-local high order correlation functions of 1D strongly interacting Bose gas
• Strong interaction induced dimensional crossover in 1D quantum gas
• One-Dimensional Quantum Systems - From Few to Many Particles
• Out-of-equilibrium quantum thermochemical engine with one-dimensional Bose gas
• Quasi-superfluid and Quasi-Mott phases of strongly interacting bosons in shallow optical lattice
• Wavelet representation of hardcore bosons
• Magnetic properties of commensurate Bose-Bose mixtures in one-dimensional optical lattices
• Few particles with an impurity in a one-dimensional harmonic trap
• Generating nonequilibrium stationary state from ground state condensate through an almost-adiabatic cycle
• Breathing dynamics of the Bose polaron in a species-selective harmonic trap
• Shortcut to spin dynamics for quantum mixtures
• Observation of modulation-induced Feshbach resonance
• Multicomponent one-dimensional quantum droplets across the mean-field stability regime
• Gap solitons of a super-Tonks-Girardeau gas in a one-dimensional periodic potential
• Bardeen-Cooper-Schrieffer State Representation and Pairing in the Fermionic Tonks-Girardeau Gas
• One-Dimensional Quench Dynamics in an Optical Lattice: sine-Gordon and Bose-Hubbard Descriptions
• Dipolar confinement-induced molecular states in harmonic waveguides
• A unified approach to the thermodynamics and quantum scaling functions of one-dimensional strongly attractive $SU(w)$ Fermi Gases
• Strongly Repulsive 1D Gases at Higher Branches: Spin-Charge Correlation and Coupled Spin-Chain Model
• Hole-induced anomaly in the thermodynamic behavior of a one-dimensional Bose gas
• A toy model for the dipolar-induced resonance in quasi-one-dimensional systems
• Bound-state confinement after trap-expansion dynamics in integrable systems
• Energy and momentum transfer in one-dimensional trapped gases by stimulated light scattering
• Quantum statistical ensemble for emissive correlated systems
• Heisenberg Symmetry and Collective Modes of One Dimensional Unitary Correlated Fermions
• Particle-hole origin of thermal beating in dipole-compression modes of a 1D Bose gas
• Diminished quantum depletion and correlated droplets in one-dimensional dipolar Bose gas
• Momentum Evolution Numerics of an Impurity in a Quantum Quench
• Exotic critical states as fractional Fermi seas in the one-dimensional Bose gas
• Dimension Crossing Turbulent Cascade in an Excited Lattice Bose Gas
• Entropy production and statistical relaxation of dipolar bosons and fermions in interaction quench dynamics
• A New Mechanism for Sympathetic Cooling of Atoms and Ions in Atomic and Ion-Atomic Traps
• Unconventional pairing in few-fermion systems tuned by external confinement
• Enhanced performance of sudden-quench quantum Otto cycles via multi-parameter control