130 citations · 643 across the 32 of their papers we have counts for
32 papers
Quantum Geometric Tensor and Critical Metrology in the Anisotropic Dicke Model
Xin Zhu, Jia-Hao Lü, Wen Ning +3
We investigate the quantum phase transition in the anisotropic Dicke model through an examination of the quantum geometric tensor of the ground state. In this analysis, two distinc…
Quantum metric and metrology with parametrically-driven Tavis-Cummings models
Jia-Hao Lü, Pei-Rong Han, Wen Ning +5
We study the quantum metric in a driven Tavis-Cummings model, comprised of multiple qubits interacting with a quantized photonic field. The parametrical driving of the photonic fie…
Robust transitionless quantum driving: Concatenated approach
Zhi-Cheng Shi, Cheng Zhang, Li-Tuo Shen +3
We propose a concatenated approach for implementing transitionless quantum driving regardless of adiabatic conditions while being robustness with respect to all kinds of systematic…
Criticality-Enhanced Quantum Sensing in the Anisotropic Quantum Rabi Model
Xin Zhu, Jia-Hao Lü, Wen Ning +4
Quantum systems that undergo quantum phase transitions exhibit divergent susceptibility and can be exploited as probes to estimate physical parameters. We generalize the dynamic fr…
Critical quantum sensing based on the Jaynes-Cummings model with a squeezing drive
Jia-Hao Lü, Wen Ning, Xin Zhu +4
Quantum sensing improves the accuracy of measurements of relevant parameters by exploiting the unique properties of quantum systems. The divergent susceptibility of physical system…
Observation of a superradiant phase transition with emergent cat states
Ri-Hua Zheng, Wen Ning, Ye-Hong Chen +15
Superradiant phase transitions (SPTs) are important for understanding light-matter interactions at the quantum level, and play a central role in criticality-enhanced quantum sensin…
Three-state coherent control using narrowband and passband sequences
Cheng Zhang, Li-Tuo Shen, Jie Song +2
In this work, we propose a comprehensive design for narrowband and passband composite pulse sequences by involving the dynamics of all states in the three-state system. The design…
Robust single-qubit gates by composite pulses in three-level systems
Zhi-Cheng Shi, Hai-Ning Wu, Li-Tuo Shen +3
Composite pulses are an efficient tool for robust quantum control. In this work, we derive the form of the composite pulse sequence to implement robust single-qubit gates in a thre…
Manifestation of classical nonlinear dynamics in optomechanical entanglement with a parametric amplifier
Chang-Sheng Hu, Li-Tuo Shen, Zhen-Biao Yang +3
Cavity optomechanical system involving an optical parametric amplifier (OPA) can exhibit rich classical and quantum dynamical behaviors. By simply modulating the frequency of the l…
Generation and stabilization of entangled coherent states for the vibrational modes of a trapped ion
Zhi-Rong Zhong, Xin-Jie Huang, Zhen-Biao Yang +2
We propose a scheme for preparation of entangled coherent states for the motion of an ion in a two-dimensional anisotropic trap. In the scheme, the ion is driven by four laser beam…
Quantum state engineering by periodical two-step modulation in atomic system
Zhi-Cheng Shi, Du Ran, Li-Tuo Shen +2
By periodical two-step modulation, we demonstrate that the dynamics of multilevel system can still evolve even in multiple large detunings regime, and provide the effective Hamilto…
Dissipative entanglement preparation via Rydberg antiblockade and Lyapunov control
Zong-Xing Ding, Chang-Sheng Hu, Li-Tuo Shen +3
Preparation of entangled steady states via dissipation and pumping in Rydberg atoms has been recently found to be useful for quantum information processing. The driven-dissipative…
Robust Rydberg gate via Landau-Zener control of Förster resonance
Xi-Rong Huang, Zong-Xing Ding, Chang-Sheng Hu +4
In this paper, we propose a scheme to implement the two-qubit controlled-Z gate via the Stark-tuned Förster interaction of Rydberg atoms, where the Förster defect is driven by a ti…
Enhancement of entanglement in distant micromechanical mirrors using parametric interactions
Chang-Sheng Hu, Xi-Rong Huang, Li-Tuo Shen +2
We theoretically investigate the stability of a two cascaded cavity optomechanical system with optical parametric amplifiers (OPAs) inside the two coupled cavities, and study the s…
External control of qubit-photon interaction and multi-qubit reset in a dissipative quantum network
Xian-Peng Zhang, Li-Tuo Shen, Zhang-Qi Yin +3
A quantum network is a promising quantum many-body system because of its tailored geometry and controllable interaction. Here, we propose an external control scheme for the qubit-p…
Resonator-Assisted Quantum Bath Engineering of a Flux Qubit
Xian-Peng Zhang, Li-Tuo Shen, Zhang-Qi Yin +2
We demonstrate quantum bath engineering for preparation of any orbital state with controllable phase factor of a superconducting flux qubit assisted by a microwave coplanar wavegui…
Electromagnetically induced transparency with controlled van der Waals interaction
Huaizhi Wu, Meng-Meng Bian, Li-Tuo Shen +3
We study the electromagnetically induced transparency (EIT) effect with two individually addressed four-level Rydberg atoms subjected to the interatomic van der Waals interaction.…
Quantum delayed-choice experiment with a beam splitter in a quantum superposition
Shi-Biao Zheng, You-Peng Zhong, Kai Xu +7
A quantum system can behave as a wave or as a particle, depending on the experimental arrangement. When for example measuring a photon using a Mach-Zehnder interferometer, the phot…
Quantum phase transition of polaritonic excitations in a multi-excitation coupled array
Li-Tuo Shen, Rong-Xin Chen, Huai-Zhi Wu +3
We analyze the quantum phase transition-like behavior in the lowest energy state of a two-site coupled atom-cavity system, where each cavity contains one atom but the total excitat…
Distributed manipulation of two-qubit entanglement with coupled continuous variables
Li-Tuo Shen, Rong-Xin Chen, Huai-Zhi Wu +1
We study the dynamics of two qubits separately sent through two coupled resonators, each initially containing a coherent state field. We present analytical arguments and numerical…
Adiabatic approximation for three qubits ultrastrongly coupled to a harmonic oscillator
Li-Tuo Shen, Rong-Xin Chen, Huai-Zhi Wu +1
We study the system involving mutual interaction between three qubits and an oscillator within the ultrastrong coupling regime. We apply adiabatic approximation approach to explore…
Shortcuts to adiabatic passage for population transfer and maximum entanglement creation between two atoms in a cavity
Mei Lu, Yan Xia, Li-Tuo Shen +2
We use the approach of "transitionless quantum driving" proposed by Berry to construct shortcuts to the population transfer and the creation of maximal entanglement between two …
Ground state of the asymmetric Rabi model in the ultrastrong coupling regime
Li-Tuo Shen, Zhen-Biao Yang, Mei Lu +2
We study the ground states of the single- and two-qubit asymmetric Rabi models, in which the qubit-oscillator coupling strengths for the counterrotating-wave and corotating-wave in…
Using shortcut to adiabatic passage for the ultrafast quantum state transfer in cavity QED system
Mei Lu, Li-Tuo Shen, Yan Xia +1
We propose an alternative scheme to implement the quantum state transfer between two three-level atoms based on the invariant-based inverse engineering in cavity quantum electronic…