Zobrazeno 1 - 10
of 29
pro vyhledávání: '"Łebek, Maciej"'
Autor:
Łebek, Maciej, Panfil, Miłosz
Integrable systems feature an infinite number of conserved charges and on hydrodynamic scales are described by generalised hydrodynamics (GHD). This description breaks down when the integrability is weakly broken and sufficiently large space-time-sca
Externí odkaz:
http://arxiv.org/abs/2410.23209
We consider quantum or classical many-body Hamiltonian systems, whose dynamics is given by an integrable, contact interactions, plus another, possibly long-range, generic two-body potential. We show how the dynamics of local observables is given in t
Externí odkaz:
http://arxiv.org/abs/2408.00593
Autor:
Łebek, Maciej, Panfil, Miłosz
The Navier-Stokes equations are paradigmatic equations describing hydrodynamics of an interacting system with microscopic interactions encoded in transport coefficients. In this work we show how the Navier-Stokes equations arise from the microscopic
Externí odkaz:
http://arxiv.org/abs/2404.14292
Autor:
Marciniak, Maciej, Łebek, Maciej, Kopyciński, Jakub, Górecki, Wojciech, Ołdziejewski, Rafał, Pawłowski, Krzysztof
We investigate the effect of a quench from a one-dimensional gas with strong and repulsive local interactions to a strongly attractive one, known as the super-Tonks-Girardeau effect. By incorporating both an optical lattice and non-local interactions
Externí odkaz:
http://arxiv.org/abs/2306.10910
We investigate dark solitons in two-component Bose systems with competing interactions in one dimension. Such a system hosts a liquid phase stabilized by the beyond-mean field corrections. Using the generalized Gross-Pitaevskii equation, we reveal th
Externí odkaz:
http://arxiv.org/abs/2304.00861
Publikováno v:
SciPost Phys. 17, 007 (2024)
We consider the problem of the development of steady states in one-dimensional Bose gas tubes that are weakly coupled to one another through a density-density interaction. We analyze this development through a Boltzmann collision integral approach. W
Externí odkaz:
http://arxiv.org/abs/2303.12490
Autor:
Łebek, Maciej, Kopyciński, Jakub, Górecki, Wojciech, Ołdziejewski, Rafał, Pawłowski, Krzysztof
A one-dimensional bosonic gas with strong contact repulsion and attractive non-local interactions may form a quantum droplet with a flat-top density profile. We focus on a system in the Tonks-Girardeau limit of infinitely strong contact repulsion. We
Externí odkaz:
http://arxiv.org/abs/2209.01887
We look into dark solitons in a quasi-1D dipolar Bose gas and in a quantum droplet. We derive the analytical solitonic solution of a Gross-Pitaevskii-like equation accounting for beyond mean-field effects. The results show there is a certain critical
Externí odkaz:
http://arxiv.org/abs/2207.03817
We analyze the dynamics of one-dimensional quantum gases with strongly attractive contact interactions. We specify a class of initial states for which attractive forces effectively act as strongly repulsive ones during the time evolution. Our finding
Externí odkaz:
http://arxiv.org/abs/2107.05594
Autor:
Kopyciński, Jakub, Łebek, Maciej, Marciniak, Maciej, Ołdziejewski, Rafał, Górecki, Wojciech, Pawłowski, Krzysztof
Publikováno v:
SciPost Phys. 12, 023 (2022)
Describing properties of a strongly interacting quantum many-body system poses a serious challenge both for theory and experiment. In this work, we study excitations of one-dimensional repulsive Bose gas for arbitrary interaction strength using a hyd
Externí odkaz:
http://arxiv.org/abs/2106.15289