Outputs (74)

Rydberg superatoms: An artificial quantum system for quantum information processing and quantum optics (2024)
Journal Article
Shao, X.-Q., Su, S.-L., Li, L., Nath, R., Wu, J.-H., & Li, W. (2024). Rydberg superatoms: An artificial quantum system for quantum information processing and quantum optics. Applied Physics Reviews, 11(3), https://doi.org/10.1063/5.0211071

Dense atom ensembles with Rydberg excitations display intriguing collective effects mediated by their strong, long-range dipole–dipole interactions. These collective effects, often modeled using Rydberg superatoms, have gained significant attention a... Read More about Rydberg superatoms: An artificial quantum system for quantum information processing and quantum optics.

Shock wave generation and propagation in dissipative and nonlocal nonlinear Rydberg media (2024)
Journal Article
Qin, L., Hang, C., Huang, G., & Li, W. (2024). Shock wave generation and propagation in dissipative and nonlocal nonlinear Rydberg media. Physical Review A, 110, Article 013703. https://doi.org/10.1103/PhysRevA.110.013703

We investigate the generation of optical shock waves in strongly interacting Rydberg atomic gases with a spatially homogeneous dissipative potential. The Rydberg atom interaction induces an optical nonlocal nonlinearity. We focus on local nonlinear (... Read More about Shock wave generation and propagation in dissipative and nonlocal nonlinear Rydberg media.

Tripartite quantum Rabi model with trapped Rydberg ions (2024)
Journal Article
Hamlyn, T. J., Zhang, C., Lesanovsky, I., & Li, W. (2024). Tripartite quantum Rabi model with trapped Rydberg ions. Physical Review Research, 6(2), Article 023223. https://doi.org/10.1103/PhysRevResearch.6.023223

We investigate a tripartite quantum Rabi model (TQRM) wherein a bosonic mode concurrently couples to two spin-1/2 particles through a spin-spin interaction, resulting in a spin-spin-boson coupling - a departure from conventional quantum Rabi models f... Read More about Tripartite quantum Rabi model with trapped Rydberg ions.

Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems (2024)
Journal Article
Wilkinson, J. W., Li, W., & Lesanovsky, I. (2024). Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems. Physical Review Letters, 132(22), Article 223401. https://doi.org/10.1103/physrevlett.132.223401

Atoms and ions confined with electric and optical fields form the basis of many current quantum simulation and computing platforms. When excited to high-lying Rydberg states, long-ranged dipole interactions emerge which strongly couple the electronic... Read More about Spectral Signatures of Vibronic Coupling in Trapped Cold Ionic Rydberg Systems.

Real-imaginary spectrum decomposition of the transparency spectra in microwave dressed Rydberg systems (2024)
Journal Article
Niu, W., Qin, L., Shi, Z., Zhang, Y., Xia, S., Feng, X., …Zhao, X. (2024). Real-imaginary spectrum decomposition of the transparency spectra in microwave dressed Rydberg systems. Optics Express, 32(12), 21374-21388. https://doi.org/10.1364/oe.520789

To distinguish the contributions of electromagnetically induced transparency (EIT) and Autler-Townes splitting (ATS) in their applications in precision laser spectroscopy, we propose a real-imaginary spectrum decomposition method to investigate the t... Read More about Real-imaginary spectrum decomposition of the transparency spectra in microwave dressed Rydberg systems.

Benchmarking discrete truncated Wigner approximation and neural network quantum states with the exact dynamics in a Rydberg atomic chain (2024)
Journal Article
Naik, V., Shenoy, V., Li, W., & Nath, R. (2024). Benchmarking discrete truncated Wigner approximation and neural network quantum states with the exact dynamics in a Rydberg atomic chain. Physica Scripta, 99(6), Article 065925. https://doi.org/10.1088/1402-4896/ad3d9d

We benchmark the discrete truncated Wigner approximation (DTWA) and Neural quantum states (NQS) based on restricted Boltzmann-like machines with the exact excitation and correlation dynamics in a chain of ten Rydberg atoms. The initial state is where... Read More about Benchmarking discrete truncated Wigner approximation and neural network quantum states with the exact dynamics in a Rydberg atomic chain.

Dissipative stabilization of high-dimensional GHZ states for neutral atoms (2024)
Journal Article
Zhao, Y., Yang, Y.-Q., Li, W., & Shao, X.-Q. (2024). Dissipative stabilization of high-dimensional GHZ states for neutral atoms. Applied Physics Letters, 124(11), Article 114001. https://doi.org/10.1063/5.0192602

High-dimensional quantum entanglement characterizes the entanglement of quantum systems within a larger Hilbert space, introducing more intricate and complex correlations among the entangled particles' states. The high-dimensional Greenberger-Horne-Z... Read More about Dissipative stabilization of high-dimensional GHZ states for neutral atoms.

Ergodicity breaking from Rydberg clusters in a driven-dissipative many-body system (2024)
Journal Article
Ding, D., Bai, Z., Liu, Z., Shi, B., Guo, G., Li, W., & Adams, C. S. (2024). Ergodicity breaking from Rydberg clusters in a driven-dissipative many-body system. Science Advances, 10(9), Article eadl5893. https://doi.org/10.1126/sciadv.adl5893

It is challenging to probe ergodicity breaking trends of a quantum many-body system when dissipation inevitably damages quantum coherence originated from coherent coupling and dispersive two-body interactions. Rydberg atoms provide a test bed to dete... Read More about Ergodicity breaking from Rydberg clusters in a driven-dissipative many-body system.

Interference of cavity light by a single atom acting as a double slit (2023)
Journal Article
Zhou, Y., Li, X., Li, W., & Zhang, H. (2023). Interference of cavity light by a single atom acting as a double slit. Physical Review A, 108(6), Article 063711. https://doi.org/10.1103/PhysRevA.108.063711

Young's double-slit interference experiment is central to quantum mechanics. While it has been demonstrated that an array of atoms can produce interference in light, it is a fundamental question to ask whether a single atom can act as a double slit w... Read More about Interference of cavity light by a single atom acting as a double slit.

Rydberg-ion flywheel for quantum work storage (2023)
Journal Article
Martins, W. S., Carollo, F., Li, W., Brandner, K., & Lesanovsky, I. (2023). Rydberg-ion flywheel for quantum work storage. Physical Review A, 108(5), Article L050201. https://doi.org/10.1103/PhysRevA.108.L050201

Trapped ions provide a platform for quantum technologies that offers long coherence times and high degrees of scalability and controllability. Here, we use this platform to develop a realistic model of a thermal device consisting of two laser-driven,... Read More about Rydberg-ion flywheel for quantum work storage.