65 citations · 569 across the 42 of their papers we have counts for
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Hydrodynamics of multi-component Bosonic systems
F. Zhang, L. Yin
We obtain the superfluid hydrodynamic equations of a multi-component Bose gas with short-ranged interactions at zero temperature under the local equilibrium assumption and show tha…
The Effective Single-mode model of a Binary Boson Mixture in the Quantum Droplet Region
Yun-Cheng Xiong, Lan Yin
In a binary quantum droplet, the interspecies attraction dominates over the intraspecies repulsions and the mean-field energy is unstable. The mechanical stability is restored by t…
Phonon Stability of Quantum Droplets in a dipolar Bose gases
Fan Zhang, Lan Yin
Stabilized by quantum fluctuations, dipolar Bose-Einstein condensates can form self-bound liquidlike droplets in the mean-field unstable regime. However in the Bogoliubov theory, s…
Self-Bound Quantum Droplet with Internal Stripe Structure in 1D Spin-Orbit-Coupled Bose Gas
Yun-Cheng Xiong, Lan Yin
We study the quantum-droplet state in a 3-dimensional (3D) Bose gas in the presence of 1D spin-orbit-coupling and Raman coupling, especially the stripe phase with density modulatio…
Phonon Stability and Sound Velocity of Quantum Droplets in a Boson Mixture
Qi Gu, Lan Yin
Quantum droplets have been realized in experiments on binary boson mixtures and dipolar Bose gases. In these systems, the mean-field energy of the Bose-Einstein condensation is att…
Bound-State Band Reconstruction and Resonance in Spin-1/2 Bose Gas with 1D Spin-Orbit Coupling
Qi Gu, Yuncheng Xiong, Lan Yin
In this work, we study two-body bound states in two-component Bose gas with a one-dimensional (1D) spin-orbit coupling (SOC) induced by Raman lasers. The finite Raman coupling stre…
Spin-Orbit Coupling Induced Resonance in an Ultracold Bose Gas
Qi Gu, Lan Yin
We study a two-component Bose gas with artificial spin-orbit coupling (SOC) which couples the center-of-mass momentum of atom to its internal states. We show that in this system re…
Critical temperature of pair condensation in a dilute Bose gas with spin-orbit coupling
Dekun Luo, Lan Yin
We study the Bardeen-Cooper-Shrieffer (BCS) pairing state of a two-component Bose gas with a symmetric spin-orbit coupling. In the dilute limit at low temperatures, this system is…
BCS pairing state of a Dilute Bose Gas with Spin-Orbit Coupling
Dekun Luo, Lan Yin
We study a two-component Bose gas with a symmetric spin-orbit coupling, and find that two atoms can form a bound state with any intra- or inter-species scattering length. Consequen…
Atomic momentum patterns with narrower interval
Baoguo Yang, Shengjie Jin, Xiangyu Dong +3
We studied the atomic momentum distribution for a superposition of Bloch states spreading in the lowest band of an optical lattice after the action of the standing wave pulse. By d…
Fractional Quantum Hall States of Dipolar Gases in Chern Bands
Tian-Sheng Zeng, Lan Yin
We study fermions and hardcore bosons with long range dipolar interactions at fractional fillings in a topological checkerboard lattice with short-range hoppings up to next-next-ne…
Weyl Superfluidity in a Three-dimensional Dipolar Fermi Gas
Bo Liu, Xiaopeng Li, Lan Yin +1
Weyl superconductivity or superfluidity, a fascinating topological state of matter, features novel phenomena such as emergent Weyl fermionic excitations and anomalies. Here we repo…
Supersolidity of a dipolar Fermi gas in a cubic optical lattice
Tian-Sheng Zeng, Lan Yin
We study the phase diagram of a dipolar fermi gas at half-filling in a cubic optical lattice with dipole moments aligned along the z-axis. The anisotropic dipole-dipole interaction…
Rashbon condensation in a Bose gas with Rashba spin-orbit coupling
Rong Li, Lan Yin
We show that in a two-component Bose gas with Rashba spin-orbit coupling (SOC) two atoms can form bound states (Rashbons) with any intra-species scattering length. At zero center-o…
Topological Superfluid Phase of a Dipolar Fermi Gas in a 2D Optical Lattice
Bo Liu, Lan Yin
In a dipolar Fermi gas, the anisotropic interaction between electric dipoles can be turned into an effectively attractive interaction in the presence of a rotating electric field.…
Correlation energy of a homogeneous dipolar Fermi gas
Bo Liu, Lan Yin
We study the normal state of a 3- homogeneous dipolar Fermi gas beyond the Hartree-Fock approximation. The correlation energy is found of the same order as the Fock energy, unus…
Induced interaction in a spin-polarized Fermi gas
Zeng-Qiang Yu, Lan Yin
We study the effect of the induced interaction on the superfluidtransition temperature of a spin-polarized Fermi gas. In the BCS limit, the polarization is very small in the superf…
Molecular Bose-Einstein condensation in a Bose gas with a wide Feshbach resonance at finite temperatures
Zeng-Qiang Yu, Lan Yin
Bose-Einstein condensation (BEC) of Feshbach molecules in a homogeneous Bose gas is studied at finite temperatures in a single-channel mean-field approach where the Hartree-Fock en…
The induced interaction in a Fermi gas with a BEC-BCS crossover
Zeng-Qiang Yu, Kun Huang, Lan Yin
We study the effect of the induced interaction on the superfluid transition temperature of a Fermi gas with a BEC-BCS crossover. The Gorkov-Melik-Barkhudarov theory about the induc…
Ginzburg-Landau theory of a trapped Fermi gas with a BEC-BCS crossover
Kun Huang, Zeng-Qiang Yu, Lan Yin
The Ginzburg-Landau theory of a trapped Fermi gas with a BEC-BCS crossover is derived by the path-integral method. In addition to the standard Ginzburg-Landau equation, a second eq…