All Outputs (10)

Superradiance-induced multistability in one-dimensional driven Rydberg lattice gases (2022)
Journal Article
He, Y., Bai, Z., Jiao, Y., Zhao, J., & Li, W. (2022). Superradiance-induced multistability in one-dimensional driven Rydberg lattice gases. Physical Review A, 106(6), Article 063319. https://doi.org/10.1103/PhysRevA.106.063319

We study steady-state phases of a one-dimensional array of Rydberg atoms coupled by a microwave (MW) field where the higher-energy Rydberg state decays to the lower-energy one via single-body and collective (superradiant) decay. Using mean-field appr... Read More about Superradiance-induced multistability in one-dimensional driven Rydberg lattice gases.

A multi-band atomic candle with microwave-dressed Rydberg atoms (2022)
Journal Article
Cai, Y., Shi, S., Zhou, Y., Yu, J., Tian, Y., Li, Y., …Shi, S. (2023). A multi-band atomic candle with microwave-dressed Rydberg atoms. Frontiers of Physics, 18(1), Article 12302. https://doi.org/10.1007/s11467-022-1218-6

Stabilizing important physical quantities to atom-based standards lies at the heart of modern atomic, molecular and optical physics, and is widely applied to the field of precision metrology. Of particular importance is the atom-based microwave field... Read More about A multi-band atomic candle with microwave-dressed Rydberg atoms.

Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime (2022)
Journal Article
Naniyil, V., Zhou, Y., Simmonds, G., Cooper, N., Li, W., & Hackermüller, L. (2022). Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime. New Journal of Physics, 24, Article 113005. https://doi.org/10.1088/1367-2630/ac9b81

The association process of Feshbach molecules is well described by a Landau-Zener transition above the Fermi temperature, such that two-body physics dominates the dynamics. However, using 6 Li atoms and the associated Feshbach resonance at B r = 834.... Read More about Observation of collectivity enhanced magnetoassociation of 6 Li in the quantum degenerate regime.

Observation of collectivity enhanced magnetoassociation of 6Li in the quantum degenerate regime (2022)
Journal Article
Naniyil, V., Zhou, Y., Simmonds, G., Cooper, N., Li, W., & Hackermüller, L. (2022). Observation of collectivity enhanced magnetoassociation of 6Li in the quantum degenerate regime. New Journal of Physics, 24(11), Article 113005. https://doi.org/10.1088/1367-2630/ac9b81

The association process of Feshbach molecules is well described by a Landau-Zener (LZ) transition above the Fermi temperature, such that two-body physics dominates the dynamics. However, using 6Li atoms and the associated Feshbach resonance at B r =... Read More about Observation of collectivity enhanced magnetoassociation of 6Li in the quantum degenerate regime.

Single Temporal-Pulse-Modulated Parameterized Controlled-Phase Gate for Rydberg Atoms (2022)
Journal Article
Li, X. .., Shao, X. Q., & Li, W. (2022). Single Temporal-Pulse-Modulated Parameterized Controlled-Phase Gate for Rydberg Atoms. Physical Review Applied, 18(4), Article 044042. https://doi.org/10.1103/PhysRevApplied.18.044042

We propose an adiabatic protocol for implementing a controlled-phase gate CZθ with continuous θ of neutral atoms through a symmetrical two-photon excitation process via the second resonance line, 6P in 87Rb, with a single-temporal-modulation-coupling... Read More about Single Temporal-Pulse-Modulated Parameterized Controlled-Phase Gate for Rydberg Atoms.

Integer and Fractional Floquet Resonances in a Driven Three-Well System (2022)
Journal Article
Li, L., Wang, B., & Li, W. (2022). Integer and Fractional Floquet Resonances in a Driven Three-Well System. Photonics, 9(10), Article 738. https://doi.org/10.3390/photonics9100738

We investigate Floquet dynamics of a particle held in a three-well system driven by a two-frequency field and identify integer and fractional photon resonances due to the dual-frequency driving. It is found that pairs of photon-assisted tunneling nea... Read More about Integer and Fractional Floquet Resonances in a Driven Three-Well System.

Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms (2022)
Journal Article
Cao, Y., Yang, W., Zhang, H., Jing, M., Li, W., Zhang, L., …Jia, S. (2022). Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms. Journal of the Optical Society of America B, 39(8), 2032-2036. https://doi.org/10.1364/JOSAB.459064

In this paper, we investigate the asymmetry of trap loss spectra of ultracold atoms during the excitation of Rydberg states. It is shown that the profile of a trap loss spectrum is affected by the density of Rydberg atoms as well as the dephasing rat... Read More about Dephasing effect of Rydberg states on trap loss spectroscopy of cold atoms.

Fast spin squeezing by distance-selective long-range interactions with Rydberg molecule dressing (2022)
Journal Article
Wu, H., Lin, X. Y., Ding, Z. X., Zheng, S. B., Lesanovsky, I., & Li, W. (2022). Fast spin squeezing by distance-selective long-range interactions with Rydberg molecule dressing. Science China Physics, Mechanics and Astronomy, 65(8), Article 280311. https://doi.org/10.1007/s11433-022-1910-0

We propose a Rydberg molecule dressing scheme to create strong and long-ranged interactions at selective distances. This is achieved through laser coupling ground-state atoms off-resonantly to an attractive molecular curve of two interacting Rydberg... Read More about Fast spin squeezing by distance-selective long-range interactions with Rydberg molecule dressing.

Rydberg electromagnetically induced transparency and absorption of strontium triplet states in a weak microwave field (2022)
Journal Article
Zhou, Y., Yan, D., & Li, W. (2022). Rydberg electromagnetically induced transparency and absorption of strontium triplet states in a weak microwave field. Physical Review A, 105(5), Article 053714. https://doi.org/10.1103/PhysRevA.105.053714

We study theoretically laser excitation of Rydberg triplet states of strontium atoms in the presence of weak microwave (MW) fields. Starting from the ground state 5s21S0, the Rydberg excitation is realized through the metastable, triplet 5s5p3P1 stat... Read More about Rydberg electromagnetically induced transparency and absorption of strontium triplet states in a weak microwave field.

Coherent ground-state transport of neutral atoms (2022)
Journal Article
Li, X. X., You, J. B., Shao, X. Q., & Li, W. (2022). Coherent ground-state transport of neutral atoms. Physical Review A, 105(3), Article 032417. https://doi.org/10.1103/PhysRevA.105.032417

Quantum state transport is an important way to study the energy or information flow. By combining the unconventional Rydberg pumping mechanism and the diagonal form of van der Waals interactions, we construct a theoretical model via second-order pert... Read More about Coherent ground-state transport of neutral atoms.