166 citations · 712 across the 20 of their papers we have counts for
18 papers · 1 filter
Effects of interaction range on the mean-field dynamics of Bose polarons
Piotr Wysocki, Ubaldo Cavazos Olivas, Marek Tylutki +1
We consider the three-dimensional Bose polaron problem in the regime of finite range interactions and competing length scales. Working in the reference frame of the impurity, we st…
Dynamics of a Mobile Ion in a Bose-Einstein Condensate
Piotr Wysocki, Marek Tylutki, Krzysztof Jachymski
Characterization of the dynamics of an impurity immersed in a quantum medium is vital for fundamental understanding of matter as well as applications in modern day quantum technolo…
Stability of persistent currents in superfluid fermionic rings
Klejdja Xhani, Andrea Barresi, Marek Tylutki +2
We investigate the stability of persistent currents in superfluid fermionic gases confined to a ring geometry. Our study, conducted at zero temperature using time-dependent density…
Josephson dynamics and localization revivals in ultradilute quantum liquids
Piotr Wysocki, Krzysztof Jachymski, Grigori E. Astrakharchik +1
We study the Josephson junction made of a one-dimensional ultradilute quantum liquid in a double-well potential. We analyze the dynamics as a function of the interaction strength a…
Dissipation Mechanisms in Fermionic Josephson Junction
Gabriel Wlazłowski, Klejdja Xhani, Marek Tylutki +2
We characterize numerically the dominant dynamical regimes in a superfluid ultracold fermionic Josephson junction. Beyond the coherent Josephson plasma regime, we discuss the onset…
Universal Aspects of Vortex Reconnections across the BCS-BEC Crossover
Marek Tylutki, Gabriel Wlazłowski
Reconnecting vortices in a superfluid allow for the energy transfer between different length scales and its subsequent dissipation. The present picture assumes that the dynamics of…
Collective Excitations of a One-Dimensional Quantum Droplet
Marek Tylutki, Grigori E. Astrakharchik, Boris A. Malomed +1
We calculate the excitation spectrum of a one-dimensional self-bound quantum droplet in a two-component bosonic mixture described by the Gross-Pitaevskii equation (GPE) with cubic…
Spin-Imbalanced Fermi Superfluidity in a Lieb Lattice Hubbard Model
Marek Tylutki, Päivi Törmä
We obtain a phase diagram of the spin imbalanced Hubbard model on the Lieb lattice, which is known to feature a flat band in its single-particle spectrum. Using the BCS mean-field…
Spin-Imbalanced Pairing and Fermi Surface Deformation in Flat Bands
Kukka-Emilia Huhtinen, Marek Tylutki, Pramod Kumar +3
We study the attractive Hubbard model with spin imbalance on two lattices featuring a flat band: the Lieb and kagome lattices. We present mean-field phase diagrams featuring exotic…
Coherent Oscillations in Small Fermi Polaron Systems
Marek Tylutki, G. E. Astrakharchik, Alessio Recati
We study the ground state and excitations of a one-dimensional trapped polarized Fermi gas interacting with a single impurity. First, we study the tunnelling dynamics of the impuri…
Magnetic solitons in Rabi-coupled Bose-Einstein condensates
Chunlei Qu, Marek Tylutki, Sandro Stringari +1
We study magnetic solitons, solitary waves of spin polarization (i.e., magnetization), in binary Bose-Einstein condensates in the presence of Rabi coupling. We show that the system…
Confinement and precession of vortex pairs in coherently coupled Bose-Einstein condensates
Marek Tylutki, Lev P. Pitaevskii, Alessio Recati +1
The dynamic behavior of vortex pairs in two-component coherently (Rabi) coupled Bose-Einstein condensates is investigated in the presence of harmonic trapping. We discuss the role…
Dark-Bright Solitons in a Superfluid Bose-Fermi Mixture
Marek Tylutki, Alessio Recati, Franco Dalfovo +1
The recent experimental realization of Bose-Fermi superfluid mixtures of dilute ultracold atomic gases has opened new perspectives in the study of quantum many-body systems. Depend…
Solitonic Vortices in Bose-Einstein Condensates
Marek Tylutki, Simone Donadello, Simone Serafini +4
We analyse, theoretically and experimentally, the nature of solitonic vortices (SV) in an elongated Bose-Einstein condensate. In the experiment, such defects are created via the Ki…
Observation of Solitonic Vortices in Bose-Einstein Condensates
Simone Donadello, Simone Serafini, Marek Tylutki +4
We observe solitonic vortices in an atomic Bose-Einstein condensate after free expansion. Clear signatures of the nature of such defects are the twisted planar density depletion ar…
Dynamics of the Mott Insulator to Superfluid quantum phase transition in the truncated Wigner approximation
Marek Tylutki, Jacek Dziarmaga, Wojciech H. Zurek
The quantum phase transition from the Mott insulator state to the superfluid in the Bose-Hubbard model is investigated. We research one, two and three dimensional lattices in the t…
Quench from Mott Insulator to Superfluid
Jacek Dziarmaga, Marek Tylutki, Wojciech H. Zurek
We study a linear ramp of the nearest-neighbor tunneling rate in the Bose-Hubbard model driving the system from the Mott insulator state into the superfluid phase. We employ the tr…
A ring of BEC pools as a trap for persistent flow
Jacek Dziarmaga, Marek Tylutki, Wojciech H. Zurek
Mott insulator - superfluid transition in a periodic lattice of Josephson junctions can be driven by tunneling rate increase. Resulting winding numbers of the condensate wavefu…