73 citations · 728 across the 31 of their papers we have counts for
31 papers
Doppler-enhanced superheterodyne Rydberg microwave receiver
Yuwen Yin, Ruimin Chen, Shibing Ji +7
We report the enhanced sensitivity of the Rydberg microwave (MW) receiver by exploiting the Doppler effect in a vapor cell. A two-photon Rydberg ladder scheme is implemented via th…
Enhancing ground-state interaction strength of neutral atoms via Floquet stroboscopic dynamics
Y. Wei, M. Artoni, G. C. La Rocca +2
Neutral atom systems are promising platforms for quantum simulation and computation, owing to their long coherence times. However, their intrinsically weak ground-state interaction…
Cooling neutral atoms into maximal entanglement in the Rydberg blockade regime
Wei-Lin Mu, Xiao-Xuan Li, Xiao-Qiang Shao
We propose a cooling scheme to prepare stationary entanglement of neutral atoms in the Rydberg blockade regime by combination of periodically collective laser pumping and dissipati…
Engineering steady entanglement for trapped ions at finite temperature by dissipation
Xiao-Qiang Shao
We propose a dissipative method for preparation of a maximally entangled steady state of two trapped ions in the Lamb-Dicke limit. By addressing the trapped-ion system with a monoc…
Exploring variational quantum eigensolver ansatzes for the long-range XY model
Jia-Bin You, Dax Enshan Koh, Jian Feng Kong +3
Finding the ground state energy and wavefunction of a quantum many-body system is a key problem in quantum physics and chemistry. We study this problem for the long-range XY model…
One-step implementation of Toffoli gate for neutral atoms based on unconventional Rydberg pumping
H. D. Yin, X. X. Li, G. C. Wang +1
Compared with the idea of universal quantum computation, a direct synthesis of a multiqubit logic gate can greatly improve the efficiency of quantum information processing tasks. H…
Selective Rydberg pumping via strong dipole blockade
Xiao-Qiang Shao
The resonant dipole-dipole interaction between highly excited Rydberg levels dominates the interaction of neutral atoms at short distances scaling as . Here we take advantag…
Dissipative engineering a tripartite Greenberger-Horne-Zeilinger state for neutral atoms
D. X. Li, H. W. Xiao, C. Yang +1
The multipartite Greenberger-Horne-Zeilinger (GHZ) states are indispensable elements for various quantum information processing tasks. Here we put forward two deterministic proposa…
Deterministic generation of maximally discordant mixed states by dissipation
X. X. Li, H. D. Yin, D. X. Li +1
Entanglement can be considered as a special quantum correlation, but not the only kind. Even for a separable quantum system, it is allowed to exist non-classical correlations. Here…
Rapid population transfer of a two-level system by a polychromatically driving field
D. X. Li, X. Q. Shao
We propose a simple exact analytical solution for a model consisting of a two-level system and a polychromatically driving field. It helps us to realize a rapid complete population…
Unconventional Rydberg pumping and applications in quantum information processing
D. X. Li, X. Q. Shao
We propose a mechanism of unconventional Rydberg pumping (URP) via simultaneously driving each Rydberg atom by two classical fields with different strengths of Rabi frequencies. Th…
Dissipation induced state in a Rydberg-atom-cavity system
Dong-Xiao Li, Xiao-Qiang Shao, Jin-Hui Wu +1
A dissipative scheme is proposed to prepare tripartite state in a Rydberg-atom-cavity system. It is an organic combination of quantum Zeno dynamics, Rydberg antiblockade and at…
Engineering steady Knill-Laflamme-Milburn state of Rydberg atoms by dissipation
Dong-Xiao Li, Xiao-Qiang Shao, Jin-Hui Wu +2
The Knill-Laflamme-Milburn (KLM) states have been proved to be a useful resource for quantum information processing [Nature 409, 46 (2001)]. For atomic KLM states, several schemes…
Noise-induced distributed entanglement in atom-cavity-fiber system
Dong-Xiao Li, Xiao-Qiang Shao, Jin-Hui Wu +1
The distributed quantum computation plays an important role in large-scale quantum information processing. In the atom-cavity-fiber system, we put forward two efficient proposals t…
Fusing atomic states via quantum Zeno dynamics
Y. Q. Ji, X. Q. Shao, X. X. Yi
We propose a scheme for preparation of large-scale entangled states based on the fusion mechanism via quantum Zeno dynamics. By sending two atoms belonging to an -atom s…
Enhanced exciton transmission by quantum-jump-based feedback
Y. Q. Ji, M. Qin, X. Q. Shao +1
With rotating-wave approximation (RWA), we show in this paper that exciton transmission in a one-dimensional two-level molecule chain embedded in a cavity can be enhanced or suppre…
Entangled state fusion with Rydberg atoms
Y. Q. Ji, C. M. Dai, X. Q. Shao +1
We propose a scheme for preparation of large-scale entangled states and states with neutral Rydberg atoms. The scheme mainly depends on Rydberg antiblockade effect, i.e.,…
Dissipative preparation of steady Greenberger-Horne-Zeilinger states for Rydberg atoms with quantum Zeno dynamics
X. Q. Shao, J. H. Wu, X. X. Yi +1
Inspired by a recent work [Reiter, Reeb, and Sørensen, Phys. Rev. Lett. {\bf117}, 040501 (2016)], we present a simplified proposal for dissipatively preparing a Greenberger-Horne-Z…
Dissipation-based entanglement via quantum Zeno dynamics and Rydberg antiblockade
X. Q. Shao, J. H. Wu, X. X. Yi
A novel scheme is proposed for dissipative generation of maximally entanglement between two Rydberg atoms in the context of cavity QED. The spontaneous emission of atoms combined w…
Engineering steady-state entanglement via dissipation and quantum Zeno dynamics in optical cavity
D. X. Li, X. Q. Shao, J. H. Wu +1
A new mechanism is proposed for dissipatively preparing maximal Bell entangled state of two atoms in an optical cavity. This scheme integrates the spontaneous emission, the light s…
Ground-state blockade of Rydberg atoms and application in entanglement generation
X. Q. Shao, D. X. Li, Y. Q. Ji +2
We propose a mechanism of ground-state blockade between two -type Rydberg atoms in virtue of Rydberg-antiblockade effect and Raman transition. Inspired by the quantum Zeno effec…
Dissipative preparation of tripartite singlet state in coupled arrays of cavities via quantum feedback control
X. Q. Shao, Z. H. Wang, H. D. Liu +1
We propose an experimentally feasible scheme for dissipative preparation of tripartite entangled state with atoms separately trapped in an array of three coupled cavities. The comb…
Engineering the coupling between Majorana bound states
Z. C. Shi, X. Q. Shao, Y. Xia +1
We study the coupling between Majorana bound states (CMBS), which is mediated by a topologically trivial chain in the presence of pairing coupling and long-range coupling. The resu…
Quantum response theory for open systems and its application to Hall conductance
H. Z. Shen, M. Qin, Y. H. Zhou +2
Quantum linear response theory considers only the response of a closed quantum system to a perturbation up to first order in the perturbation. This theory breaks down when the syst…