375 citations · 630 across the 22 of their papers we have counts for
22 papers
Engineering topological states and quantum-inspired information processing using classical circuits
Tian Chen, Weixuan Zhang, Deyuan Zou +2
Based on the correspondence between circuit Laplacian and Schrodinger equation, recent investigations have shown that classical electric circuits can be used to simulate various to…
Experimental topological quantum computing with electric circuits
Deyuan Zou, Naiqiao Pan, Tian Chen +2
The key obstacle to the realization of a scalable quantum computer is overcoming environmental and control errors. Topological quantum computation has attracted great attention bec…
Experimental observation of exceptional bound states in a classical circuit network
Deyuan Zou, Tian Chen, Haiyu Meng +3
Exceptional bound (EB) states represent an unique new class of robust bound states protected by the defectiveness of non-Hermitian exceptional points. Conceptually distinct from th…
Topolectrical-circuit realization of quadrupolar surface semimetals
Xingen Zheng, Tian Chen, Xiangdong Zhang
Recent studies have shown that there are two types of topological quadrupolar semimetals. One is the quadrupolar bulk semimetal, which is a conventional semimetal with gapless node…
Exploring topological phase transition andWeyl physics in five dimensions with electric circuits
Xingen Zheng, Tian Chen, Weixuan Zhang +2
Weyl semimetals are phases of matter with gapless electronic excitations that are protected by topology and symmetry. Their properties depend on the dimensions of the systems. It h…
Nth power root topological phases in Hermitian and non-Hermitian systems
Wenyuan Deng, Tian Chen, Xiangdong Zhang
Constructing new topological phases is very important in both Hermitian and non-Hermitian systems because of their potential applications. Here we propose theoretically and demonst…
Creation of electrical knots and observation of DNA topology
Tian Chen, Xingen Zheng, Qingsong Pei +3
Knots are fascinating topological structures that have been observed in various contexts, ranging from micro-worlds to macro-systems, and are conjectured to play a fundamental role…
Observation of hybrid higher-order skin-topological effect in non-Hermitian topolectrical circuits
Deyuan Zou, Tian Chen, Wenjing He +4
Robust boundary states epitomize how deep physics can give rise to concrete experimental signatures with technological promise. Of late, much attention has focused on two distinct…
Engineering of the qubit initialization in an imperfect physical system
Tianfeng Chen, Lin Wan, Jiamin Qiu +3
We proposed a method to engineer the light matter interaction while initializing a qubit in presence of physical constraints utilizing the inverse engineering. Combining the multip…
Observation of novel robust edge states without bulk-boundary correspondence in non-Hermitian quantum walks
Bo Wang, Tian Chen, Xiangdong Zhang
Recently, the study of non-Hermitian physics has attracted considerable attention. The modified bulk-boundary correspondence has been proposed to understand topological edge states…
Long-lived quantum speedup based on plasmonic hot spot systems
Jun Ren, Tian Chen, Xiangdong Zhang
Long-lived quantum speedup serves as a fundamental component for quantum algorithms. The quantum walk is identified as an ideal scheme to realize the long-lived quantum speedup. Ho…
Ultrafast coherent energy transfer with high efficiency based on plasmonic nanostructures
Jun Ren, Tian Chen, Bo Wang +1
The theory of energy transfer dynamics of a pair of donor and acceptor molecules located in the plasmonic hot spots is developed by means of the master equation approach and the el…
Conditional Pulse Nulling Receiver for Multi-pulse PPM and Binary Quantum Coding Signals
Yuan Zuo, Tian Chen, Bing Zhu
Conditional pulse nulling (CPN) receiver is proposed by Dolinar to discriminate pulse position modulation (PPM) signals. The receiver using a beam splitter and an on-off photon det…
Extraordinary behaviors in two-dimensional decoherent alternative quantum walk
Tian Chen, Xiangdong Zhang
The quantum and classical behaviors of two-dimensional (2D) alternative quantum walk (AQW) in the presence of decoherence have been discussed in detail. For any kinds of decoherenc…
Investigation of practical application for QAM hybrid receiver
Tian Chen, Ke Li, Yuan Zuo +1
We present a quantum receiver for quadrature amplitude modulation (QAM) coherent states discrimination with homodyne-displacement hybrid structure. Our strategy is to carry out two…
QAM Adaptive Measurements Feedback Quantum Receiver Performance
Tian Chen, Ke Li, Yuan Zuo +1
We theoretically study the quantum receivers with adaptive measurements feedback for discriminating quadrature amplitude modulation (QAM) coherent states in terms of average symbol…
Extracting work from the magnetic field coupled Brownian particles
Tian Chen, Xiang-Bin Wang, Ting Yu
Thermodynamics of the magnetic field coupled Brownian particles is studied. We show that in the presence of the magnetic field, work can be extracted from the reservoir even when t…
Non-Markovian dynamics of open quantum systems without rotating wave approximation
Ming-Jia Tang, Yu-Kai Wu, Ming Lyu +4
We study the non-Markovian dynamics of a damped oscillator coupled with a reservoir. We present exact formulas for the oscillator's evolution directly from the BCH formula by serie…
Improving Cooling performance of the mechanical resonator with the two-level-system defects
Tian Chen, Xiang-Bin Wang
We study cooling performance of a realistic mechanical resonator containing defects. The normal cooling method through an optomechanical system does not work efficiently due to tho…
Finite time cooling in dispersively and dissipatively coupled optomechanics
Tian Chen, Xiang-Bin Wang
The cooling performance of an optomechanical system comprising both dispersive and dissipative coupling is studied. We present a scheme to cool a mechanical resonator to its ground…
Crossover Between Non-Markovian and Markovian Dynamics Induced by a Hierarchical Environment
Tiantian Ma, Yusui Chen, Tian Chen +2
Non-Markovian evolution of an open quantum system can be induced by the memory effects of a reservoir. Although a reservoir with stronger memory effects may seem like it should cau…
Dynamic control of quantum geometric heat flux in a nonequilibrium spin-boson model
Tian Chen, Xiang-Bin Wang, Jie Ren
We study the quantum geometric heat flux in the nonequilibrium spin-boson model. By adopting the noninteracting-blip approximation that is able to accommodate the strong system-bat…