Loading and detecting a three-dimensional Fermi gas in one-dimensional optical superlattice
arXiv:1502.01851 · doi:10.1103/PhysRevA.91.043611
Abstract
We investigate the procedures of loading and detecting three-dimensional fermionic quantum gases in a one-dimensional optical superlattice potential subjected to a trapping potential. Additionally, we consider the relaxation dynamics after a sudden change of the superlattice potential. We numerically simulate the time-dependent evolution of the continuous system using exact diagonalization of non-interacting fermions. During the loading procedure we analyze the occupation of the instantaneous energy levels and compare the situation in a homogeneous system with the trapped one. Strong differences are found in particular in the evolution of excitations which we trace back to the distinct global density distribution. Starting from an imbalanced state in the superlattice potential, we consider the relaxation dynamics of fermions after a slow change of the superlattice potential and find a bimodule distribution of excitations. To be able to compare with the experimental results we also simulate the measurement sequence of the even and odd local density and find a strong dependence of the outcome on the actual ramp procedure. We suggest how the loading and detecting procedure can be optimized.
References in corpus (71)
- Many-Body Physics with Ultracold Gases
- Thermalization and its mechanism for generic isolated quantum systems
- Nonequilibrium dynamics of closed interacting quantum systems
- Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
- A quantum gas microscope - detecting single atoms in a Hubbard regime optical lattice
- Single-Atom Resolved Fluorescence Imaging of an Atomic Mott Insulator
- Collapse and Revival of the Matter Wave Field of a Bose-Einstein Condensate
- Time-dependence of correlation functions following a quantum quench
- Probing the relaxation towards equilibrium in an isolated strongly correlated 1D Bose gas
- Relaxation and Pre-thermalization in an Isolated Quantum System
- A Mott insulator of fermionic atoms in an optical lattice
- Light-cone-like spreading of correlations in a quantum many-body system
- Nonequilibrium dynamical mean-field theory and its applications
- Metallic and Insulating Phases of Repulsively Interacting Fermions in a 3D Optical Lattice
- Direct Observation of Second Order Atom Tunnelling
- Quench dynamics and non equilibrium phase diagram of the Bose-Hubbard model
- The Luttinger model following a sudden interaction switch-on
- Interaction Quench in the Hubbard model
- Dynamical phase transition in correlated fermionic lattice systems
- Fermionic transport in a homogeneous Hubbard model: Out-of-equilibrium dynamics with ultracold atoms
- Dephasing and the steady state in quantum many-particle systems
- Short-range quantum magnetism of ultracold fermions in an optical lattice
- Spreading of correlations and entanglement after a quench in the one-dimensional Bose-Hubbard model
- Strongly correlated fermions after a quantum quench
- Quantum quench dynamics of the Luttinger model
- Quantum quench dynamics of some exactly solvable models in one dimension
- Expansion dynamics of interacting bosons in homogeneous lattices in one and two dimensions
- Generalized Gibbs ensemble prediction of prethermalization plateaus and their relation to nonthermal steady states in integrable systems
- Effective thermal dynamics following a quantum quench in a spin chain
- Hard-core bosons on optical superlattices: Dynamics and relaxation in the superfluid and insulating regimes
- Radiofrequency spectroscopy of a strongly interacting two-dimensional Fermi gas
- p-Wave Interactions in Low-Dimensional Fermionic gases
- Observation of a two-dimensional Fermi gas of atoms
- Evolution of Fermion Pairing from Three to Two Dimensions
- Quantum Quench of an Atomic Mott Insulator
- Quench Dynamics in a Model with Tuneable Integrability Breaking
- Long range correlations in the non-equilibrium quantum relaxation of a spin chain
- Quantitative Determination of Temperature in the Approach to Magnetic Order of Ultracold Fermions in an Optical Lattice
- Preparing and probing atomic number states with an atom interferometer
- Quantum quench in interacting field theory: a self-consistent approximation
- Exploring local quantum many-body relaxation by atoms in optical superlattices
- Time evolution of correlations in strongly interacting fermions after a quantum quench
- Interaction-controlled transport of an ultracold Fermi gas
- Quantum quenches in the anisotropic spin-1/2 Heisenberg chain: different approaches to many-body dynamics far from equilibrium
- Crossover from adiabatic to sudden interaction quenches in the Hubbard model: Prethermalization and nonequilibrium dynamics
- Real-time evolution for weak interaction quenches in quantum systems
- Slow Mass Transport and Statistical Evolution of An Atomic Gas Across the Superfluid-Mott Insulator Transition
- Probing local relaxation of cold atoms in optical superlattices
- Propagation front of correlations in an interacting Bose gas
- Cooling and Near-equilibrium Dynamics of Atomic Gases Across the Superfluid-Mott Insulator Transition
- Exact time evolution of space- and time-dependent correlation functions after an interaction quench in the 1D Bose gas
- Universal spin dynamics in two-dimensional Fermi gases
- Anomalous Expansion of Attractively Interacting Fermionic Atoms in an Optical Lattice
- Coherent multi-flavour spin dynamics in a fermionic quantum gas
- Light cone dynamics and reverse Kibble-Zurek mechanism in two-dimensional superfluids following a quantum quench
- High-fidelity rapid ground-state loading of an ultracold gas into an optical lattice
- Quantum Many-Body Dynamics of Coupled Double-Well Superlattices
- Temperature changes when adiabatically ramping up an optical lattice
- Local versus global equilibration near the bosonic Mott-superfluid transition
- Slow quench dynamics of a trapped one-dimensional Bose gas confined to an optical lattice
- Trapping and cooling fermionic atoms into the Mott and Néel states
- Lightcone renormalization and quantum quenches in one-dimensional Hubbard models
- Equilibration and prethermalization in the Bose-Hubbard and Fermi-Hubbard models
- Interaction Quenches of Fermi Gases
- Breakdown of adiabaticity when loading ultra-cold atoms in optical lattices
- Engineering correlation and entanglement dynamics in spin systems
- Relaxation dynamics of a Fermi gas in an optical superlattice
- Intrinsic Photoconductivity of Ultracold Fermions in Optical Lattices
- A time and spatially resolved quench of the fermionic Hubbard model showing restricted equilibration
- Minimizing nonadiabaticities in optical-lattice loading
- Dynamics of correlations in shallow optical lattices