146 citations · 724 across the 30 of their papers we have counts for
30 papers
Quantum phase transitions of the Cavity Heisenberg spin-chain
Lv-Ting Gong, Shao-Fan He, Fu-Quan Dou
The interplay between quantum criticality and ergodicity breaking constitutes a central challenge in complex quantum many-body systems. Here, we investigate ground-state quantum ph…
Shortcuts to adiabaticity in five-level systems using counter-diabatic driving and time-rescaling optimization
Jiahui Zhang, Wenyuan Wang, Fuquan Dou
Shortcuts to adiabaticity (STA) is a common protocol to realize high-fidelity and robust quantum control in various quantum systems. To date, STA has been widely applied in two- an…
Compactness, mass spectra, and strong stability of singly heavy tetraquarks
Wen-Nian Liu, Kai-Kai Zhang, Duo-Jie jia +1
We propose a Coulomb-like parameterization in terms of bag radius of the short-range chromo-electric interaction between heavy quarks and strange quarks within the framework of the…
Towards a nuclear isomer quantum battery
Ying-Bo Gao, Fu-Quan Dou
Quantum batteries (QBs) -- quantum devices governed by the principles of quantum mechanics -- hold great promise for next-generation energy storage. However, most existing research…
Quantum battery optimized by parametric amplification
Fang-Mei Yang, Jun-Hong An, Fu-Quan Dou
The parametric amplification enabled by two-photon driving constitutes a versatile platform for advanced quantum technologies. We present an optimized scheme for implementing quant…
Robust, fast, and efficient formation of stable tetratomic molecules from ultracold atoms via generalized stimulated Raman exact passage
Jia-Hui Zhang, Wen-Yuan Wang, Fu-Quan Dou
The study of the conversion of ultracold atoms into molecules has long remained a hot topic in atomic, molecular, and optical physics. However, most prior research has focused on d…
Ergotropy in Quantum Batteries
Cheng-Jie Wang, Fu-Quan Dou
Ergotropy--a key figure of merit for quantum battery (QB) performance--plays a crucial role. However, the dynamics and physical mechanisms governing ergotropy evolution remain open…
Resonant Singly Heavy Pentaquarks in the MIT Bag Model: Mass Spectra and Strong Decays
Wen-Nian Liu, Wen-Xuan Zhang, Cheng-Jie Wang +2
Exploring the limits of color interactions in multiquark states is an important topic. Based on the bag confinement picture of hadrons, we find that for singly heavy pentaquarks, t…
Highly efficient nuclear population transfer through physics-informed neural networks
Jing Liu, Fu-Quan Dou
Nuclear coherent population transfer (NCPT) offers numerous potential applications, particularly in next-generation nuclear clocks and nuclear batteries. However, the realization o…
Wireless energy transfer in non-Hermitian quantum battery
Fang-Mei Yang, Fu-Quan Dou
The extraction of energy is one of fundamental challenges in realizing quantum batteries (QBs). Here, we propose two wireless transfer schemes with parity-time symmetries to effici…
Solitons in Bose-Einstein Condensates with Attractive Self-Interaction on a Möbius Strip
Huan-Bo Luo, Guilong Li, Fu-Quan Dou +4
We study the matter-wave solitons in Bose-Einstein condensate (BEC) trapped on a Möbius strip (MS), based on the respective Gross-Pitaevskii (GP) equation with the mean-field theor…
Searching for compact pentaquark state within the bag model framework
Wen-Nian Liu, Wen-Xuan Zhang, Fu-Quan Dou
The search for the compact limit of multi-quark states is a challenging issue. Within the framework of the MIT bag model, we propose an effective limit bag radius of $R_{c} = 5.615…
Cavity-Heisenberg spin- chain quantum battery and reinforcement learning optimization
Peng-Yu Sun, Hang Zhou, Fu-Quan Dou
Machine learning offers a promising methodology to tackle complex challenges in quantum physics. In the realm of quantum batteries (QBs), model construction and performance optimiz…
Ground-state phase transitions in spin-1 Bose-Einstein condensates with spin-orbit coupling
Xin-Feng Zhang, Yuan-Fen Liu, Huan-Bo Luo +4
We investigate phase transitions of the ground state (GS) of spin-1 Bose-Einstein condensates under the combined action of the spin-orbit coupling (SOC) and gradient magnetic field…
Microwave-activated two-qubit gates for fixed-coupling and fixed-frequency transmon qubits
Ling Jiang, Peng Xu, Shengjun Wu +2
All-microwave control of fixed-frequency superconducting quantum systems offers the potential to reduce control circuit complexity and increase system coherence. Nevertheless, due…
High-fidelity Nuclear Coherent Population Transfer via the Mixed-State Inverse Engineering
Ying Wang, Fu-Quan Dou
Nuclear coherent population transfer (NCPT) plays an important role in the exploration and application of atomic nuclei. How to achieve high-fidelity NCPT remains so far challengin…
Resonator-qutrits quantum battery
Fang-Mei Yang, Fu-Quan Dou
Quantum batteries (QBs) are energy storage and transfer microdevices that open up new possibilities in energy technology. Here, we derive a resonator-qutrits quantum battery (QB) m…
Three-level Dicke quantum battery
Dong-Lin Yang, Fang-Mei Yang, Fu-Quan Dou
Quantum battery (QB) is the energy storage and extraction device that is governed by the principles of quantum mechanics. Here we propose a three-level Dicke QB and investigate its…
Analytically solvable many-body Rosen-Zener quantum battery
Wei-Xi Guo, Fang-Mei Yang, Fu-Quan Dou
Quantum batteries are energy storage devices that satisfy quantum mechanical principles. How to obtain analytical solutions for quantum battery systems and achieve a full charging…
Adiabatic light propagation in nonlinear waveguide couplers with longitudinally varying detunings via resonance-locked inverse engineering
Fu-Quan Dou, Ya-Ting Wei, Zhi-Ming Yan
We investigate the adiabatic evolution of light in nonlinear waveguide couplers via resonance-locked inverse engineering based on stimulated Raman adiabatic passage (STIRAP). The l…
Superconducting transmon qubit-resonator quantum battery
Fu-Quan Dou, Fang-Mei Yang
Quantum battery (QB) is the miniature energy storage and release device and plays a crucial role in future quantum technology. Here, an implementation scheme of a QB is proposed on…
Fast charging of Lipkin-Meshkov-Glick quantum battery
Cheng-Jie Wang, Yuan-Jin Wang, Fu-Quan Dou
Fast charging is a pivotal and fundamental performance metric in quantum battery (QB) research. Here, we investigate the fast-charging performance of the Lipkin-Meshkov-Glick QB ba…
Quantum Speed Limit under Brachistochrone Evolution
Fu-Quan Dou, Min-Peng Han, Chuan-Cun Shu
According to the Heisenberg uncertainty principle between time and energy fluctuation, a concept of the quantum speed limit (QSL) has been established to determine the minimum evol…
Cavity-Heisenberg spin chain quantum battery
Fu-Quan Dou, Hang Zhou, Jian-An Sun
We propose a cavity-Heisenberg spin chain (CHS) quantum battery (QB) with the long-range interactions and investigate its charging process. The performance of the CHS QB is substan…