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We unravel the many-body dynamics of a harmonically trapped impurity colliding with a bosonic medium confined in a double-well upon quenching the initially displaced harmonic trap to the center of the double-well. We reveal that the…

量子气体 · 物理学 2021-04-28 Friethjof Theel , Kevin Keiler , Simeon I. Mistakidis , Peter Schmelcher

We study the correlated dynamics of few interacting bosonic impurities immersed in a one-dimensional harmonically trapped bosonic environment. The mixture is exposed to a time-dependent impurity-medium interaction pulse moving it across the…

量子气体 · 物理学 2021-02-17 G. Bougas , S. I. Mistakidis , P. Schmelcher

We investigate the nonequilibrium quantum dynamics of a single and two heavy fermionic impurities being harmonically trapped and repulsively interacting with a finite ensemble of majority fermions. A quench of the potential of the majority…

量子气体 · 物理学 2020-05-20 J. Kwasniok , S. I. Mistakidis , P. Schmelcher

We study the ground state properties and nonequilibrium dynamics of two spinor bosonic impurities immersed in a one-dimensional bosonic gas upon applying an interspecies interaction quench. For the ground state of two non-interacting…

量子气体 · 物理学 2020-04-27 S. I. Mistakidis , G. M. Koutentakis , G. C. Katsimiga , Th. Busch , P. Schmelcher

We explore the impact and scaling of effective interactions between two and three impurity atoms, induced by a bosonic medium, on their density distributions. To facilitate the detection of mediated interactions, we propose a setup where…

量子气体 · 物理学 2025-11-03 F. Theel , A. G. Volosniev , D. Diplaris , F. Brauneis , S. I. Mistakidis , P. Schmelcher

We explore the time evolution of two impurities in a trapped one-dimensional Bose gas that follows a change of the boson-impurity interaction. We study the induced impurity-impurity interactions and their effect on the quench dynamics. In…

量子气体 · 物理学 2020-05-14 S. I. Mistakidis , A. G. Volosniev , P. Schmelcher

We study the impact of induced correlations and quasiparticle properties by immersing two distinguishable impurities in a harmonically trapped bosonic medium. It is found that when the impurities couple both either repulsively or…

量子气体 · 物理学 2024-01-24 F. Theel , S. I. Mistakidis , P. Schmelcher

We unravel the nonequilibrium correlated quantum quench dynamics of an impurity traveling through a harmonically confined Bose-Einstein condensate in one-dimension. For weak repulsive interspecies interactions the impurity oscillates within…

量子物理 · 物理学 2019-10-01 S. I. Mistakidis , F. Grusdt , G. M. Koutentakis , P. Schmelcher

Induced interactions and bound states of charge carriers immersed in a quantum medium are crucial for the investigation of quantum transport. Ultracold atom-ion systems can provide a convenient platform for studying this problem. Here, we…

量子气体 · 物理学 2023-03-29 G. E. Astrakharchik , L. A. Peña Ardila , K. Jachymski , A. Negretti

We investigate the ground state properties and the nonequilibrium dynamics of a lattice trapped bosonic mixture consisting of an impurity species and a finite-sized medium. For the case of one as well as two impurities we observe that,…

量子气体 · 物理学 2020-07-02 Kevin Keiler , Simeon I. Mistakidis , Peter Schmelcher

We unravel the nonequilibrium dynamics of two fermionic impurities immersed in a one-dimensional bosonic gas following an interspecies interaction quench from weak to strong repulsions. Monitoring the temporal evolution of the…

量子气体 · 物理学 2019-08-28 S. I. Mistakidis , L. Hilbig , P. Schmelcher

We unravel the correlated tunneling dynamics of an impurity trapped in a double well and interacting repulsively with a majority species of lattice trapped bosons. Upon quenching the tilt of the double well it is found that the…

量子气体 · 物理学 2020-02-14 Friethjof Theel , Kevin Keiler , Simeon I. Mistakidis , Peter Schmelcher

We study a mobile impurity in a one-dimensional harmonically confined optical lattice interacting repulsively with a bosonic bath. The behavior of the impurity across baths with superfluid and Mott-insulator domains is examined, including…

量子气体 · 物理学 2025-07-15 Felipe Isaule , Abel Rojo-Francàs , Luis Morales-Molina , Bruno Juliá-Díaz

We unravel the correlated quantum quench dynamics of a single impurity immersed in a bosonic environment confined in an one-dimensional double-well potential. A particular emphasis is placed on the structure of the time-evolved many-body…

量子气体 · 物理学 2023-03-03 Jie Chen , Simeon I. Mistakidis , Peter Schmelcher

We unravel the ground state properties and the non-equilibrium quantum dynamics of two bosonic impurities immersed in an one-dimensional fermionic environment by applying a quench of the impurity-medium interaction strength. In the ground…

量子气体 · 物理学 2020-11-25 K. Mukherjee , S. I. Mistakidis , S. Majumder , P. Schmelcher

We study the dynamics of a one-dimensional system composed of a bosonic background and one impurity in single- and double-well trapping geometries. In the limit of strong interactions, this system can be modeled by a spin chain where the…

量子气体 · 物理学 2018-06-18 Rafael E. Barfknecht , Angela Foerster , Nikolaj T. Zinner

We unravel the periodically driven dynamics of two repulsively interacting bosonic impurities within a bosonic bath upon considering either the impact of a finite pulse or a continuous shaking of the impurities harmonic trap. Following a…

量子物理 · 物理学 2020-02-26 K. Mukherjee , S. I. Mistakidis , S. Majumder , P. Schmelcher

We explore the ground-state properties of a single impurity immersed in a one-dimensional quantum droplet medium formed by a two-component Bose mixture. Relying on ab-initio simulations, we demonstrate that tuning the impurity-droplet…

Important properties of complex quantum many-body systems and their phase diagrams can often already be inferred from the impurity limit. The Bose polaron problem describing an impurity atom immersed in a Bose-Einstein condensate is a…

量子气体 · 物理学 2024-03-06 Arthur Christianen , J. Ignacio Cirac , Richard Schmidt

We study two mobile bosonic impurities immersed in a one-dimensional optical lattice and interacting with a bosonic bath. We employ the exact diagonalization method for small periodic lattices to study stationary properties and dynamics. We…

量子气体 · 物理学 2024-08-06 Felipe Isaule , Abel Rojo-Francàs , Bruno Juliá-Díaz
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