• Corpus ID: 252519446

Nonergodic dynamics of dipolar lattice bosons

  title={Nonergodic dynamics of dipolar lattice bosons},
  author={Adith Sai Aramthottil and Mateusz Krzysztof Lkacki and L. Santos and Jakub J. Zakrzewski},
Non-ergodic dynamics in many-body interacting systems has recently attracted much interest. Polar lattice gases present, even in absence of disorder, an intriguing dynamics, which has been mostly discussed in the hard-core regime. We show that the dynamics of soft-core dipolar lattice bosons may be remarkably different. We find that contrary to hard-core dipoles, bosons tend to delocalize for large inter-site interaction strengths due to the crucial role played by interaction-induced hopping… 

Figures from this paper



Lattice control of non-ergodicity in a polar lattice gas

Inter-site interactions in polar lattice gases may result, due to Hilbert-space fragmentation, in a lack of ergodicity even in absence of disorder. We show that the inter-site interaction in a

Dipolar-induced resonance for ultracold bosons in a quasi-one-dimensional optical lattice

We study the role of the dipolar-induced resonance (DIR) in a quasi-one-dimensional system of ultracold bosons. We first describe the effect of the DIR on two particles in a harmonic trap. Then, we

Hilbert Space Shattering and Disorder-Free Localization in Polar Lattice Gases

Emerging dynamical constraints resulting from inter-site interactions severely limit the mobility of polar lattice gases. Whereas in absence of disorder hard-core Hubbard models with only strong

Quantum phases of dipolar bosons in one-dimensional optical lattices

We theoretically analyze the phase diagram of a quantum gas of bosons that interact via repulsive dipolar interactions. The bosons are tightly confined by an optical lattice in a quasi one-dimensional

Superfluid phases induced by dipolar interactions

We determine the quantum ground state of dipolar bosons in a quasi-one-dimensional optical lattice and interacting via $s$-wave scattering. The Hamiltonian is an extended Bose-Hubbard model which

Observing non-ergodicity due to kinetic constraints in tilted Fermi-Hubbard chains

Using analytical calculations, this work experimentally studies the relaxation of an initial charge-density wave and finds a remarkably long-lived initial-state memory over a wide range of parameters, which can be attributed to emergent kinetic constraints.

Many-body localization in the Bose-Hubbard model: Evidence for mobility edge

Motivated by recent experiments on interacting bosons in a quasi-one-dimensional optical lattice [M. Rispoli et al., Nature (London) 573, 385 (2019)], we analyze theoretically properties of the

Localization and Glassy Dynamics Of Many-Body Quantum Systems

Numerical evidences are reported that the dynamics of strongly interacting lattice bosons driven sufficiently far from equilibrium can be trapped into extremely long-lived inhomogeneous metastable states.

Localization of interacting fermions at high temperature

We suggest that if a localized phase at nonzero temperature $Tg0$ exists for strongly disordered and weakly interacting electrons, as recently argued, it will also occur when both disorder and

Constraint-Induced Delocalization.

Analyzing the role of quenched disorder terms in constrained systems shows that they act in two, distinct and competing ways: as an on-site disorder term for the basic excitations of the system, and as an interaction between excitations.