1.6k citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Chinese Academy of SciencesCN196 papers
- Beijing Normal UniversityCN148 papers
- University of Science and Technology of ChinaCN128 papers
- Lanzhou UniversityCN95 papers
- Zhejiang UniversityCN90 papers
- Tsinghua UniversityCN76 papers
- University of LisbonPT75 papers
- Centre National de la Recherche ScientifiqueFR74 papers
- University of Chinese Academy of SciencesCN73 papers
- Institute of PhysicsPL66 papers
- Institute of Theoretical PhysicsCN65 papers
- China Academy of Engineering PhysicsCN63 papers
34 papers · 2 filters
Direct Experimental Test of Forward and Reverse Uncertainty Relations
Lei Xiao, Bowen Fan, Kunkun Wang +2
The canonical Robertson-Schrödinger uncertainty relation provides a loose bound for the product of variances of two non-commuting observables. Recently, several tight forward and r…
Observation of energy resolved many-body localization
Qiujiang Guo, Chen Cheng, Zheng-Hang Sun +10
Many-body localization (MBL) describes a quantum phase where an isolated interacting system subject to sufficient disorder displays non-ergodic behavior, evading thermal equilibriu…
Data processing over single-port homodyne detection to realize super-resolution and super-sensitivity
J. H. Xu, A. X. Chen, W. Yang +1
Performing homodyne detection at one port of squeezed-state light interferometer and then binarzing measurement data are important to achieve super-resolving and super-sensitive ph…
Enantiomeric excess determination based on nonreciprocal transition induced spectral line elimination
Xun-Wei Xu, Chong Ye, Yong Li +1
The spontaneous emission spectrum of a multi-level atom or molecule with nonreciprocal transition is investigated. It is shown that the nonreciprocal transition can lead to the eli…
Universal trapping law induced by atomic cloud in single-photon cooperative dynamics
Lei Qiao, Chang-Pu Sun
Single-photon cooperative dynamics of an assembly of two-level quantum emitters coupled by a bosonic bath are investigated. The bosonic bath is general and it can be anything as lo…
Application of polaron picture in the two-qubit quantum Rabi model
Xi-Mei Sun, Lei-Cong, Hans-Peter Eckle +2
The polaron picture is employed to investigate and elucidate the physics of the two-qubit quantum Rabi model, which describes two identical qubits coupled to a common harmonic osci…
Quantum phase transitions and critical behaviors in the two-mode three-level quantum Rabi model
Yan Zhang, Bin-Bin Mao, Dazhi Xu +4
We explore an extended quantum Rabi model describing the interaction between a two-mode bosonic field and a three-level atom. Quantum phase transitions of this few degree of freedo…
Experimental orthogonalization of highly overlapping quantum states with single photons
Gaoyan Zhu, Orsolya Kalman, Kunkun Wang +6
We experimentally realize a nonlinear quantum protocol on single-photon qubits with linear optical elements and appropriate measurements. The quantum nonlinearity is induced by pos…
Switchable bipartite and genuine tripartite entanglement via an optoelectromechanical interface
Cheng Jiang, Spyros Tserkis, Kevin Collins +3
Controllable multipartite entanglement is a crucial element in quantum information processing. Here we present a scheme that generates switchable bipartite and genuine tripartite e…
Nonreciprocity via nonlinearity and synthetic magnetism
Xun-Wei Xu, Yong Li, Baijun Li +2
We propose how to realize nonreciprocity for a weak input optical field via nonlinearity and synthetic magnetism. We show that the photons transmitting from a linear cavity to a no…
Directional quantum random walk induced by coherence
Jin-Fu Chen, Yu-Han Ma, Chang-Pu Sun
Quantum walk (QW), which is considered as the quantum counterpart of the classical random walk (CRW), is actually the quantum extension of CRW from the single-coin interpretation.…
Boosting the performance of the Quantum Otto heat engines
Jin-Fu Chen, Chang-Pu Sun, Hui Dong
To optimize the performance of a heat engine in finite-time cycle, it is important to understand the finite-time effect of thermodynamic processes. Previously, we have shown that e…
Quantum coherence fraction
Yao Yao, Dong Li, C. P. Sun
As an analogy of fully entangled fraction in the framework of entanglement theory, we have introduced the notion of quantum coherence fraction , which quantifies t…
Dispersive readout of a weakly coupled qubit via the parity-time-symmetric phase transition
Guo-Qiang Zhang, Yi-Pu Wang, J. Q. You
For some cavity-quantum-electrodynamics systems, such as a single electron spin coupled to a passive cavity, it is challenging to reach the strong-coupling regime. In such a weak-c…
Geometric decoherence in diffusive open quantum systems
Da-Wei Luo, Hai-Qing Lin, J. Q. You +3
Based on a generic quantum open system model, we study the geometric nature of decoherence by defining a complex-valued geometric phase through stochastic pure states describing no…
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…
Optimal unidirectional amplification induced by optical gain in optomechanical systems
L. N. Song, Qiang Zheng, Xun-Wei Xu +2
We propose a three-mode optomechanical system to realize optical nonreciprocal transmission with unidirectional amplification, where the system consists of two coupled cavities and…
Phase controlled single-photon nonreciprocal transmission in a one-dimensional waveguide
Zhihai Wang, Lei Du, Yong Li +1
We study the controllable single-photon scattering via a one-dimensional waveguide which is coupled to a two-level emitter and a single-mode cavity simultaneously. The emitter and…
Spectral and Steady-State Properties of Random Liouvillians
Lucas Sá, Pedro Ribeiro, Tomaž Prosen
We study generic open quantum systems with Markovian dissipation, focusing on a class of stochastic Liouvillian operators of Lindblad form with independent random dissipation chann…
Observation of multi-component atomic Schrödinger cat states of up to 20 qubits
Chao Song, Kai Xu, Hekang Li +13
We report on deterministic generation of 18-qubit genuinely entangled Greenberger-Horne-Zeilinger (GHZ) state and multi-component atomic Schrödinger cat states of up to 20 qubits o…
Generalized coherent-squeezed-state expansion for the quantum Rabi model
Xiang-You Chen, Yu-Yu Zhang, Hang Zheng
We develop a systematic variational coherent-squeezed-state expansion for the ground state of the quantum Rabi model, which includes an additional squeezing effect with comparisons…
An analytical variational method for the biased quantum Rabi model in the ultra-strong coupling regime
Bin-Bin Mao, Maoxin Liu, Wei Wu +3
An analytical variational method for the ground state of the biased quantum Rabi model in the ultra-strong coupling regime is presented. This analytical variational method can be o…
Variational generalized rotating-wave approximation in the two-qubit quantum Rabi model
Bin-Bin Mao, Liangsheng Li, Yimin Wang +4
We present an analytical method for the two-qubit quantum Rabi model. While still operating in the frame of the generalized rotating-wave approximation (GRWA), our method further e…
Achieve Higher Efficiency at Maximum Power with Finite-time Quantum Otto Cycle
Jin-Fu Chen, Chang-Pu Sun, Hui Dong
The optimization of finite-time thermodynamic heat engines was intensively explored recently, yet limited to few cycles, e.g. finite-time Carnot-like cycle. In this paper, we suppl…