activity
20112023
most citedGeneration and controllable switching of superradiant and subradiant states in a 10-qubit superconducting circuit

119 citations · 560 across the 26 of their papers we have counts for

collaborators

26 papers

cond-mat.mes-hall2023★ 4 cited

Probing the non-Abelian fusion of a pair of Majorana zero modes

Jing Bai, Qiongyao Wang, Luting Xu +2

In this work, we perform real time simulations for probing the non-Abelian fusion of a pair of Majorana zero modes (MZMs). The nontrivial fusion outcomes can be either a vacuum, or…

quant-ph2023

Quantum simulation of Hofstadter butterfly with synthetic gauge fields on two-dimensional superconducting-qubit lattices

Wei Feng, Dexi Shao, Guo-Qiang Zhang +3

Motivated by recent realizations of two-dimensional (2D) superconducting-qubit lattices, we propose a protocol to simulate Hofstadter butterfly with synthetic gauge fields in super…

cond-mat.mes-hall2023

Dynamics simulation of braiding two Majorana-zero-modes via a quantum dot

Luting Xu, Jing Bai, Wei Feng +1

In this work we perform real time simulations for the dynamics of braiding a pair of Majorana zero modes (MZMs) through a quantum dot in a minimal setup of pure 1D realization. We…

quant-ph2023★ 20 cited

Generating Bell states and -partite states of long-distance qubits in superconducting waveguide QED

Guo-Qiang Zhang, Wei Feng, Wei Xiong +3

We show how to generate Bell states and -partite states of long-distance superconducting (SC) qubits in a SC waveguide quantum electrodynamical (QED) system, where SC qubits…

quant-ph2022★ 39 cited

Generation of long-lived states via reservoir engineering in dissipatively coupled systems

Guo-Qiang Zhang, Wei Feng, Wei Xiong +2

Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to genera…

cond-mat.mes-hall2021

Cross-correlation mediated by Majorana island with finite charging energy

Wei Feng, Lupei Qin, Xin-Qi Li

Based on the many-particle-number-state treatment for transport through a pair of Majorana zero modes (MZMs) which are coupled to the leads via two quantum dots, we identify that t…

quant-ph2021★ 1 cited

Cross correlation mediated by distant Majorana zero modes with no overlap

Lupei Qin, Wei Feng, Xin-Qi Li

Existing studies via shot noise calculation conclude that the cross correlation between the currents in the two leads connected by a pair of Majorana zero modes (MZMs) vanishes whe…

cond-mat.mes-hall2020

Majorana Conductances in Three-Terminal Transports

Xin-Qi Li, Wei Feng, Lupei Qin +1

We consider a two-lead (three-terminal) setup of nonlocal transport through Majorana zero modes (MZMs) and construct a Majorana master equation (which is also valid for small bias…

quant-ph2020★ 31 cited

Weak-value-amplification analysis beyond the AAV limit of weak measurements

Jianhua Ren, Lupei Qin, Wei Feng +1

The weak-value (WV) measurement proposed by Aharonov, Albert and Vaidman (AAV) has attracted a great deal of interest in connection with quantum metrology. In this work, we extend…

quant-ph2020★ 40 cited

Synthesizing three-body interaction of spin chirality with superconducting qubits

Wuxin Liu, Wei Feng, Wenhui Ren +2

Superconducting qubits provide a competitive platform for quantum simulation of complex dynamics that lies at the heart of quantum many-body systems, because of the flexibility and…

quant-ph2019★ 119 cited

Generation and controllable switching of superradiant and subradiant states in a 10-qubit superconducting circuit

Zhen Wang, Hekang Li, Wei Feng +9

Superradiance and subradiance concerning enhanced and inhibited collective radiation of an ensemble of atoms have been a central topic in quantum optics. However, precise generatio…

quant-ph2018★ 6 cited

Estimation of parameters in circuit QED by continuous quantum measurement

Cheng Zhang, Kai Zhou, Wei Feng +1

Designing high-precision and efficient schemes is of crucial importance for quantum parameter estimation in practice. The estimation scheme based on continuous quantum measurement…

quant-ph2018★ 97 cited

Synthesis of antisymmetric spin exchange interaction and entanglement generation with chiral spin states in a superconducting circuit

Da-Wei Wang, Chao Song, Wei Feng +8

We have synthesized the anti-symmetric spin exchange interaction (ASI), which is also called the Dzyaloshinskii-Moriya interaction, in a superconducting circuit containing five sup…

quant-ph2017★ 3 cited

Gradual partial-collapse theory for ideal nondemolition measurements of qubits in circuit QED

Wei Feng, Cheng Zhang, Zhong Wang +2

The conventional method of qubit measurements in circuit QED is employing the dispersive regime of qubit-cavity coupling, which results in an approximated scheme of quantum nondemo…

quant-ph2017

Multiqubit Greenberger-Horne-Zeilinger state generated by synthetic magnetic field in circuit QED

Wei Feng, Da-Wei Wang, Han Cai +1

We propose a scheme to generate Greenberger-Horne-Zeilinger (GHZ) state for N superconducting qubits in a circuit QED system. By sinusoidally modulating the qubit-qubit coupling, a…

physics.atom-ph2017★ 13 cited

Electromagnetically Induced Transparency with Superradiant and Subradiant states

Wei Feng, Da-Wei Wang, Han Cai +2

We construct the electromagnetically induced transparency (EIT) by dynamically coupling a superradiant state with a subradiant state. The superradiant and subradiant states with en…

cond-mat.mes-hall2016★ 3 cited

Low-field electron mobility of InSb nanowires: Numerical efforts to larger cross sections

Wei Feng, Chen Peng, Shuang Li +1

Within the framework of Boltzmann equation, we present a theory based study for the low-field mobilities of InSb nanowires (InSb NWs) with relatively large cros…

quant-ph2016★ 15 cited

Qubit state tomography in superconducting circuit via weak measurements

Lupei Qin, Luting Xu, Wei Feng +1

The standard method of "measuring" quantum wavefunction is the technique of {\it indirect} quantum state tomography. Owing to conceptual novelty and possible advantages, an alterna…

quant-ph2015★ 11 cited

Exact quantum Bayesian rule for qubit measurements in circuit QED

Wei Feng, Pengfei Liang, Lupei Qin +1

Developing efficient framework for quantum measurements is of essential importance to quantum science and technology. In this work, for the important superconducting circuit-QED se…

quant-ph2015★ 25 cited

Simple understanding of quantum weak values

Lupei Qin, Wei Feng, Xin-Qi Li

In this work we revisit the important and controversial concept of quantum weak values, aiming to provide a simplified understanding to its associated physics and the origin of ano…

physics.chem-ph2013★ 35 cited

Nonadiabatic molecular dynamics simulation: An approach based on quantum measurement picture

Wei Feng, Luting Xu, Xin-Qi Li +2

Mixed-quantum-classical molecular dynamics simulation implies an effective measurement on the electronic states owing to continuously tracking the atomic forces.Based on this insig…

quant-ph2013★ 3 cited

The Generation of Super-Resolving Single-Photon Path-Entangled State

Wei Feng, Kebei Jiang, Michelle L. -J. Lollie +2

In this paper, we propose two protocols for generating super-resolving \textit{single-photon} path-entangled states from general maximally path-entangled N00N states. We also show…

physics.optics2013★ 30 cited

Effect of atomic distribution on cooperative spontaneous emission

Wei Feng, Yong Li, Shi-Yao Zhu

We study cooperative single-photon spontaneous emission from N multilevel atoms for different atomic distributions in optical vector theory. Instead of the average approximation fo…

quant-ph2013★ 17 cited

Cooperative spontaneous emission of three identical atoms

Wei Feng, Yong Li, Shi-Yao Zhu

We study the influence of the distribution of atoms on the cooperative spontaneous emission by a simple model of three identical atoms. The effects of counter rotating terms are in…