436 citations · 1.6k across the 29 of their papers we have counts for
30 papers
Homogeneous fermionic Hubbard gases in a flat-top optical lattice
Yu-Xuan Wang, Hou-Ji Shao, Yan-Song Zhu +6
Fermionic atoms in a large-scale, homogeneous optical lattice provide an ideal quantum simulator for investigating the fermionic Hubbard model, yet achieving this remains challengi…
Feshbach spectroscopy of ultracold mixtures of and atoms
Ke Xie, Xi Li, Yu-Yang Zhou +7
We report on the observation of Feshbach resonances in ultracold - mixtures, where atoms are respectively prepared in their three…
Observation of the antiferromagnetic phase transition in the fermionic Hubbard model
Hou-Ji Shao, Yu-Xuan Wang, De-Zhi Zhu +9
The fermionic Hubbard model (FHM)[1], despite its simple form, captures essential features of strongly correlated electron physics. Ultracold fermions in optical lattices[2, 3] pro…
Observation and quantification of pseudogap in unitary Fermi gases
Xi Li, Shuai Wang, Xiang Luo +9
The nature of pseudogap lies at the heart of strongly-interacting superconductivity and superfluidity. With known pairing interactions, unitary Fermi gases provide an ideal testbed…
Second sound with ultracold atoms: A brief historical account
Hui Hu, Xing-Can Yao, Xia-Ji Liu
We briefly review the research on second sound in ultracold atomic physics, with emphasis on strongly interacting unitary Fermi gases with infinitely large -wave scattering leng…
Beyond Gaussian pair fluctuation theory for strongly interacting Fermi gases II: The broken-symmetry phase
Brendan C. Mulkerin, Xing-Can Yao, Yoji Ohashi +2
We theoretically study the thermodynamic properties of a strongly interacting Fermi gas at the crossover from a Bardeen-Cooper-Schrieffer (BCS) superfluid to a Bose-Einstein conden…
Observation of state-to-state hyperfine-changing collision in a Bose-Fermi mixture of Li and K atoms
Xiao-Qiong Wang, Yu-Xuan Wang, Xiang-Pei Liu +4
Hyperfine-changing collisions are of fundamental interest for the studying of ultracold heteronuclear mixtures. Here, we report the state-to-state study of the hyperfine-changing-c…
A 30 W, sub-kHz frequency-locked laser at 532 nm
Hao-Ze Chen, Xiang-Pei Liu, Xiao-Qiong Wang +5
We report on the realization of a high-power, ultranarrow-linewidth, and frequency-locked 532~nm laser system. The laser system consists of single-pass and intra-cavity second harm…
Feshbach spectroscopy of an ultracold K-Li mixture and K atoms
Xiang-Pei Liu, Xing-Can Yao, Ran Qi +4
We have observed 69 K-Li interspecies Feshbach resonances including 13 elastic p-wave resonances and 6 broad d-wave resonances of K atoms in different spin-state…
Quantum Adiabatic Doping with Incommensurate Optical Lattices
Jian Lin, Jue Nan, Yuchen Luo +2
Quantum simulations of Fermi-Hubbard models have been attracting considerable efforts in the optical lattice research, with the ultracold anti-ferromagnetic atomic phase reached at…
Observation of the density dependence of the closed-channel fraction of a Li superfluid
Xiang-Pei Liu, Xing-Can Yao, Hao-Ze Chen +6
Atomic Fermi gases provide an ideal platform for studying the pairing and superfluid physics, using a Feshbach resonance between closed channel molecular states and open channel sc…
Dynamic formation of quasicondensate and spontaneous vortices in a strongly interacting Fermi gas
Xiang-Pei Liu, Xing-Can Yao, Youjin Deng +6
We report an experimental study of quench dynamics across the superfluid transition temperature in a strongly interacting Fermi gas by ramping down the trapping potential. Th…
Strongly Interacting Bose Gases near a -wave Shape Resonance
Xing-Can Yao, Ran Qi, Xiang-Pei Liu +8
Many unconventional quantum matters, such as fractional quantum Hall effect and -wave high-Tc superconductor, are discovered in strongly interacting systems. Understanding quant…
Coupled Dipole Oscillations of a Mass-Imbalanced Bose and Fermi Superfluid Mixture
Yu-Ping Wu, Xing-Can Yao, Xiang-Pei Liu +6
Recent experimental realizations of superfluid mixtures of Bose and Fermi quantum gases provide a unique platform for exploring diverse superfluid phenomena. We study dipole oscill…
A quantum degenerate Bose-Fermi mixture of K and Li
Yu-Ping Wu, Xing-Can Yao, Hao-Ze Chen +4
We report a new apparatus for the study of two-species quantum degenerate mixture of K and Li atoms. We develop and combine several advanced cooling techniques to achiev…
Oscillatory-like Expansion of a Fermionic Superfluid
Xiao-Qiong Wang, Yu-Ping Wu, Xiang-Pei Liu +7
We study the expansion behaviours of a Fermionic superfluid in a cigar-shaped optical dipole trap for the whole BEC-BCS crossover and various temperatures. At low temperature ($0.0…
Narrow-linewidth cooling of Li atoms using the 2S-3P transition
Hao-Ze Chen, Xing-Can Yao, Yu-Ping Wu +4
We report on a narrow-linewidth cooling of Li atoms using the transition in the ultraviolet (UV) wavelength regime. By combining the traditional red ma…
Observation of Ten-photon Entanglement Using Thin BiBO Crystals
Luo-Kan Chen, Zheng-Da Li, Xing-Can Yao +13
We report on the experimental realization of a ten-photon Greenberger-Horne-Zeilinger state using thin BiBO crystals. The observed fidelity is , demonstr…
Production of large K Bose-Einstein condensates using D1 gray molasses
Hao-Ze Chen, Xing-Can Yao, Yu-Ping Wu +5
We use D1 gray molasses to achieve Bose-Einstein condensation of a large number of K atoms in an optical dipole trap. By combining a new configuration of compressed-MOT with…
Observation of two-species vortex lattices in a mixture of mass-imbalance Bose and Fermi superfluids
Xing-Can Yao, Hao-Ze Chen, Yu-Ping Wu +6
The superfluid mixture of interacting Bose and Fermi species is a remarkable many-body quantum system. Dilute degenerate atomic gases, especially for two species of distinct masses…
Experimental quantum channel simulation
He Lu, Chang Liu, Dong-Sheng Wang +9
Quantum simulation is of great importance in quantum information science. Here, we report an experimental quantum channel simulator imbued with an algorithm for imitating the behav…
Implementation of a Measurement-Device-Independent Entanglement Witness
Ping Xu, Xiao Yuan, Luo-Kan Chen +5
Entanglement, the essential resource in quantum information processing, should be witnessed in many tasks such as quantum computing and quantum communication. The conventional enta…
Experimental demonstration of topological error correction
Xing-Can Yao, Tian-Xiong Wang, Hao-Ze Chen +9
Scalable quantum computing can only be achieved if qubits are manipulated fault-tolerantly. Topological error correction - a novel method which combines topological quantum computi…
Observation of eight-photon entanglement
Xing-Can Yao, Tian-Xiong Wang, Ping Xu +7
Using ultra-bright sources of pure-state entangled photons from parametric down conversion, an eight-photon interferometer and post-selection detection, we demonstrate the ability…