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We theoretically consider effectively one-dimensional quantum droplets in a symmetric Bose-Bose mixture confined in a parabolic trap. We systematically investigate ground and excited families of localized trapped modes which bifurcate from…

量子气体 · 物理学 2023-04-12 Dmitry A. Zezyulin

We report universal bound states of microwave-shielded ultracold molecules that solely depend on the strengths of long-range dipolar interaction and microwave coupling. Under a highly elliptic microwave field, few-molecule scatterings in…

量子气体 · 物理学 2026-01-28 Tingting Shi , Haitian Wang , Xiaoling Cui

We investigate a mixture of ultracold fermionic $^{40}$K atoms and weakly bound $^{6}$Li$^{40}$K dimers on the repulsive side of a heteronuclear atomic Feshbach resonance. By radio-frequency spectroscopy we demonstrate that the normally…

We demonstrate the existence of one and two-dimensional bright solitons in the Bose-Einstein condensate with repulsive dipole-dipole interactions induced by a combination of dc and ac polarizing fields, oriented perpendicular to the plane…

斑图形成与孤子 · 物理学 2015-06-17 Yongyao Li , Jingfeng Liu , Wei Pang , Boris A. Malomed

We discuss an equilibrium mean-field properties of mixtures consisting of bosons and spin-polarized fermionic atoms with a point-like interaction in an arbitrary dimension $2<d<4$. Particularly, we discuss except the standard weak-coupling…

量子气体 · 物理学 2023-05-10 O. Hryhorchak , V. Pastukhov

We study a many-body system of interacting fermionic atoms of two species that are in thermodynamic equilibrium with their condensed heteronuclear bound states (molecules). In order to describe such an equilibrium state, we use a…

量子气体 · 物理学 2017-06-30 A. S. Peletminskii , S. V. Peletminskii , Yu. V. Slyusarenko

Two-component Bose condensates with repulsive interaction are stable when $g_{\rm \scriptscriptstyle 1} g_{\rm \scriptscriptstyle 2}<g_{\rm \scriptscriptstyle 12}^{2}$ is satisfied. By tuning the interactions, we show that the instability…

量子气体 · 物理学 2013-02-20 Zhongbo Yan , Xiaosen Yang , Shaolong Wan

We control the interspecies interaction in a two-species atomic quantum mixture by tuning the magnetic field at a Feshbach resonance. The mixture is composed by fermionic 40K and bosonic 87Rb. We observe effects of the large attractive and…

其他凝聚态物理 · 物理学 2009-11-11 M. Zaccanti , C. D'Errico , F. Ferlaino , G. Roati , M. Inguscio , G. Modugno

By studying the dynamic stability of Bose-Einstein condensed binary mixtures trapped on the surface of an ideal two-dimensional spherical bubble, we show how the Rabi coupling between the species can modulate the interactions leading to…

量子气体 · 物理学 2025-11-04 Leonardo Brito , Lauro Tomio , Arnaldo Gammal

We consider dipolar interactions between heteronuclear molecules in low-dimensional geometries. The setup consists of two one-dimensional tubes. We study the stability of possible few-body complexes in the regime of repulsive intratube…

量子气体 · 物理学 2011-12-06 N. T. Zinner , B. Wunsch , I. B. Mekhov , S. -J. Huang , D. -W. Wang , E. Demler

We study the matter-wave bistability in coupled atom-molecule quantum gases, in which heteronuclear molecules are created via an interspecies Feshbach resonance involving either two-species Bose or two-species Fermi atoms at zero…

量子气体 · 物理学 2015-05-13 Lei Jiang , Han Pu , Andrew Robertson , Hong Y. Ling

We consider a two-dimensional Bose gas formed in a planar atomic trap in conditions where the two-dimensional scattering length exceeds all other microscopic length scales in the system and, accordingly, the gas parameter assumes relatively…

凝聚态物理 · 物理学 2007-05-23 Ludovic Pricoupenko , Maxim Olshanii

A bosonic gas formed by two interacting species trapped in a double-well potential features macroscopic localization effects when the interspecies interaction becomes sufficiently strong. A repulsive interaction spatially separates the…

量子物理 · 物理学 2017-08-02 F. Lingua , V. Penna

We study the properties of strongly interacting Bose gases at the density and temperature regime when the three-body recombination rate is substantially reduced. In this regime, one can have a Bose gas with all particles in scattering…

量子气体 · 物理学 2012-05-08 Weiran Li , Tin-Lun Ho

Based on the recently developed interaction renormalization for the one-dimensional $p$-wave interaction, we study the problem of a single impurity immersed in a highly polarized Fermi sea. They interact through a narrow $p$-wave Feshbach…

量子气体 · 物理学 2020-07-14 Yinfeng Ma , Xiaoling Cui

The topic of the present lecture notes are two-species quantum mixtures composed of a deeply degenerate Fermi gas and a second component, the latter being fermionic or bosonic. A key ingredient is the possibility to tune the $s$-wave…

量子气体 · 物理学 2023-12-05 Rudolf Grimm , Cosetta Baroni

We analyze the excitation spectrum of a three-dimensional(3D) Bose-Fermi mixture with tunable resonant interaction parameters and high hyperfine spin multiplets. We focus on a 3-particle vertex describing fermionic and bosonic atoms which…

量子气体 · 物理学 2010-09-02 Shimul Akhanjee

Recent experimental realization of dipolar Fermi gases near or below quantum degeneracy provides opportunity to engineer Hubbard-like models with long range interactions. Motivated by these experiments, we chart out the theoretical phase…

量子气体 · 物理学 2012-04-10 S. G. Bhongale , L. Mathey , Shan-Wen Tsai , Charles W. Clark , Erhai Zhao

We investigate the quantum phase diagram of Bose-Fermi mixtures of ultracold dipolar particles trapped in one-dimensional optical lattices in the thermodynamic limit. With the presence of nearest-neighbor (N.N.) interactions, a long-ranged…

量子气体 · 物理学 2010-08-11 Bin Wang , Daw-Wei Wang , S. Das Sarma

The chiral p-wave (p_x \pm ip_y) superfluid has attracted significant attention in recent years, mainly because its vortex core supports a Majorana fermion which, due to its non-Abelian statistics, can be explored for implementing…

量子气体 · 物理学 2015-06-17 Ben Kain , Hong Y. Ling