Quadrature Squeezing in Extended Two-Site Bose–Hubbard Model with Pair Tunneling
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Low Temperature Physics"
DOI: 10.1007/s10909-019-02216-4
Abstract: We analytically and numerically investigate quadrature squeezing in an extended two-site Bose–Hubbard model with pair tunneling by using the rotating-wave approximation. It is shown that single particle tunneling and the density-dependent tunneling have no influence… read more here.
Keywords: quadrature squeezing; squeezing extended; bose hubbard; two site ... See more keywords
Waterlike anomalies in the Bose–Hubbard model
Sign Up to like & getrecommendations! Published in 2019 at "Physica A: Statistical Mechanics and its Applications"
DOI: 10.1016/j.physa.2018.12.003
Abstract: Although well-researched as a prototype Hamiltonian for strongly interacting quantum systems, the Bose-Hubbard model has not so far been explored as a fluid system with waterlike anomalies. In this work we show that this model… read more here.
Keywords: anomalies bose; hubbard model; waterlike anomalies; bose hubbard ... See more keywords
Self-pulsing and chaos in the asymmetrically driven dissipative photonic Bose-Hubbard dimer: A bifurcation analysis.
Sign Up to like & getrecommendations! Published in 2022 at "Chaos"
DOI: 10.1063/5.0088597
Abstract: We perform a systematic study of the temporal dynamics emerging in the asymmetrically driven dissipative Bose-Hubbard dimer model. This model successfully describes the nonlinear dynamics of photonic diatomic molecules in linearly coupled Kerr resonators coherently… read more here.
Keywords: self pulsing; bose hubbard; driven dissipative; bifurcation analysis ... See more keywords
Floquet Bound States in a Driven Two-Particle Bose–Hubbard Model with an Impurity
Sign Up to like & getrecommendations! Published in 2017 at "Chinese Physics Letters"
DOI: 10.1088/0256-307x/34/7/070304
Abstract: We investigate how the driving field affects the bound states in the one-dimensional two-particle Bose–Hubbard model with an impurity. In the high-frequency regime, compared with the static lattice [Phys. Rev. Lett. 109 (2012) 116405], a… read more here.
Keywords: bound states; two particle; floquet bound; particle bose ... See more keywords
Defect induced nonequilibrium quantum dynamics in an interacting Bose–Hubbard flux ladder
Sign Up to like & getrecommendations! Published in 2023 at "New Journal of Physics"
DOI: 10.1088/1367-2630/accec3
Abstract: The interacting Bose–Hubbard flux ladder provides an ideal model to probe novel quantum phenomena of many-body systems. Here, we report on the first direct observation of dynamical quantum phase transition (DQPT) in interacting Bose–Hubbard flux… read more here.
Keywords: flux ladder; bose hubbard; interacting bose; hubbard flux ... See more keywords
Quantum behaviour of open pumped and damped Bose-Hubbard trimers
Sign Up to like & getrecommendations! Published in 2018 at "Laser Physics"
DOI: 10.1088/1555-6611/aa914f
Abstract: We propose and analyse analogs of optical cavities for atoms using three-well inline Bose-Hubbard models with pumping and losses. With one well pumped and one damped, we find that both the mean-field dynamics and the… read more here.
Keywords: pumped damped; quantum behaviour; open pumped; behaviour open ... See more keywords
Chaos-induced breakdown of Bose-Hubbard modeling
Sign Up to like & getrecommendations! Published in 2020 at "Physical Review A"
DOI: 10.1103/physreva.101.013624
Abstract: We show that the Bose-Hubbard approximation fails due to the emergence of chaos, even when excited modes are far detuned and the standard validity condition is satisfied. This is formally identical to the Melnikov-Arnold analysis… read more here.
Keywords: breakdown bose; hubbard modeling; induced breakdown; bose hubbard ... See more keywords
Nonergodic dynamics of the one-dimensional Bose-Hubbard model with a trapping potential
Sign Up to like & getrecommendations! Published in 2021 at "Physical Review A"
DOI: 10.1103/physreva.104.043322
Abstract: We investigate nonergodic behaviors of the one-dimensional Bose-Hubbard model, which emerge in the unitary quantum dynamics starting with the initial state |ψ(0)〉 = | · · · 2020 · · · 〉, in the presence… read more here.
Keywords: dimensional bose; hubbard model; bose hubbard; trapping potential ... See more keywords
Self-trapping of excitations: Two-dimensional quasiparticle solitons in an extended Bose-Hubbard dimer array
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.033630
Abstract: Considering a two-dimensional Bose-Hubbard spinor lattice with weak nearest neighbour interactions and no particle transfer between sites, we theoretically study the transport of energy from one initially excited dimer, to the rest of the lattice.… read more here.
Keywords: array; self trapping; trapping excitations; dimer ... See more keywords
Stabilization of prethermal Floquet steady states in a periodically driven dissipative Bose-Hubbard model
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.95.043621
Abstract: We discuss the effect of dissipation on heating which occurs in periodically driven quantum many body systems. We especially focus on a periodically driven Bose-Hubbard model coupled to an energy and particle reservoir. Without dissipation,… read more here.
Keywords: hubbard model; steady states; model; bose hubbard ... See more keywords
Realization of balanced gain and loss in a time-dependent four-mode Bose-Hubbard model
Sign Up to like & getrecommendations! Published in 2017 at "Physical Review A"
DOI: 10.1103/physreva.97.013623
Abstract: A quantum system exhibiting $\mathcal{PT}$ symmetry is a Bose-Einstein condensate in a double-well potential with balanced particle gain and loss, which is described in the mean-field limit by a Gross-Pitaevskii equation with a complex potential.… read more here.
Keywords: gain loss; mean field; bose hubbard; time dependent ... See more keywords