Zobrazeno 1 - 10
of 263
pro vyhledávání: '"Ancilotto, Francesco"'
Autor:
Ancilotto, Francesco, Reatto, Luciano
Superfluids with strong spatial modulation can be experimentally produced in the area of cold atoms under the influence of optical lattices. Here we address $^{87}$Rb bosons at T=0 K in a flat geometry under the influence of a periodic potential with
Externí odkaz:
http://arxiv.org/abs/2404.13705
Autor:
García-Alfonso, Ernesto, Ancilotto, Francesco, Barranco, Manuel, Pi, Martí, Halberstadt, Nadine
We address the collision of two superfluid 4 He droplets at non-zero initial relative velocities and impact parameters within the framework of liquid 4 He time-dependent density functional theory at zero temperature. In spite of the small size of the
Externí odkaz:
http://arxiv.org/abs/2307.02883
Publikováno v:
Published in Phys. Rev. A 107, 063312 (2023)
We have investigated how the Rayleigh-Plateau instability of a filament made of a 41K-87Rb self-bound mixture may lead to an array of identical quantum droplets, with typical breaking times which are shorter than the lifetime of the mixture. If the f
Externí odkaz:
http://arxiv.org/abs/2304.14135
We have studied self-sustained, deformable, rotating liquid He cylinders of infinite length. In the normal fluid $^3$He case, we have employed a classical model where only surface tension and centrifugal forces are taken into account, as well as the
Externí odkaz:
http://arxiv.org/abs/2303.12986
Publikováno v:
J. Chem. Phys. 158, 144306 (2023)
Helium droplets produced by the instability of a cryogenic helium jet exiting a source chamber leads to the formation of He drops which are considered as ideal matrices for spectroscopic studies of embedded atoms and molecules. Here, we present a He-
Externí odkaz:
http://arxiv.org/abs/2301.13699
Autor:
Caldara, Matteo, Ancilotto, Francesco
We have theoretically investigated the structure of spinning self-bound droplets made of $^{41}$K-$^{87}$Rb Bose mixture by solving the Gross-Pitaevskii equation including beyond-mean-field correction in the Lee-Huang-Yang form. The structure and ene
Externí odkaz:
http://arxiv.org/abs/2202.02230
Autor:
Cikojević, Viktor, Poli, Elena, Ancilotto, Francesco, Markić, Leandra Vranješ, Boronat, Jordi
Publikováno v:
Phys. Rev. A 104, 033319 (2021)
A quantum liquid in a heterogeneous mixture of $^{41}$K and $^{87}$Rb atoms is studied using the diffusion Monte Carlo method and Density Functional Theory. The perturbative Lee-Huang-Yang term for a heterogeneous mixture is verified and it is proved
Externí odkaz:
http://arxiv.org/abs/2107.05905
Autor:
Cikojević, Viktor, Markić, Leandra Vranješ, Pi, Martí, Barranco, Manuel, Ancilotto, Francesco, Boronat, Jordi
Employing time-dependent density-functional theory, we have studied dynamical equilibration and binary head-on collisions of quantum droplets made of a $^{39}$K-$^{39}$K Bose mixture. The phase space of collision outcomes is extensively explored by p
Externí odkaz:
http://arxiv.org/abs/2104.09102
Publikováno v:
Published in Phys. Rev. B 103, 174514 (2021)
We study a sub monolayer He-4 adsorbed on fluorographene (GF) and on hexagonal boron nitride (hBN) at low coverage. The adsorption potentials have been computed ab-initio with a suitable density functional theory including dispersion forces. The prop
Externí odkaz:
http://arxiv.org/abs/2103.12410