activity
20152024
most citedQuantum Implementation of Unitary Coupled Cluster for Simulating Molecular Electronic Structure

306 citations · 822 across the 14 of their papers we have counts for

collaborators

14 papers

physics.optics2024

In-situ Doppler-free spectroscopy with pulsed optical fields

Yuxin Wang, Zhiyue Zheng, Qiuxin Zhang +9

We propose a novel pulsed optical field method that alternately switches the pump beam in conventional saturation absorption to time-division multiplex the same probe beam into bot…

quant-ph2023★ 11 cited

Realization of programmable Ising models in a trapped-ion quantum simulator

Yao Lu, Wentao Chen, Shuaining Zhang +4

A promising paradigm of quantum computing for achieving practical quantum advantages is quantum annealing or quantum approximate optimization algorithm, where the classical problem…

quant-ph2023★ 7 cited

Error-Mitigated Quantum Simulation of Interacting Fermions with Trapped Ions

Wentao Chen, Shuaining Zhang, Jialiang Zhang +7

Quantum error mitigation has been extensively explored to increase the accuracy of the quantum circuits in noisy-intermediate-scale-quantum (NISQ) computation, where quantum error…

quant-ph2022★ 55 cited

Scalable and Programmable Phononic Network with Trapped Ions

Wentao Chen, Yao Lu, Shuaining Zhang +9

Controllable bosonic systems can provide post-classical computational power with sub-universal quantum computational capability. A network that consists of a number of bosons evolv…

quant-ph2022★ 3 cited

Experimental Test of Contextuality based on State Discrimination with a Single Qubit

Qiuxin Zhang, Chenhao Zhu, Yuxin Wang +5

Exploring quantum phenomena beyond predictions of any classical model has fundamental importance to understand the boundary of classical and quantum descriptions of nature. As a ty…

quant-ph2022★ 2 cited

Experimentally ruling out joint reality based on operational completeness

Qiuxin Zhang, Yu Xiang, Xiaoting Gao +9

Whether the observables of a physical system admit real values is of fundamental importance to a deep understanding of nature. In this work, we report a device-independent experime…

quant-ph2021★ 24 cited

Information retrieval and eigenstates coalescence in a non-Hermitian quantum system with anti- symmetry

Liangyu Ding, Kaiye Shi, Yuxin Wang +7

Non-Hermitian systems with parity-time reversal () or anti- symmetry have attracted a wide range of interest owing to their unique characteristics and c…

quant-ph2019★ 18 cited

Modular Quantum Computation in a Trapped Ion System

Kuan Zhang, Jayne Thompson, Xiang Zhang +7

Modern computation relies crucially on modular architectures, breaking a complex algorithm into self-contained subroutines. A client can then call upon a remote server to implement…

quant-ph2019★ 104 cited

Error-Mitigated Quantum Gates Exceeding Physical Fidelities in a Trapped-Ion System

Shuaining Zhang, Yao Lu, Kuan Zhang +4

Various quantum applications can be reduced to estimating expectation values, which are inevitably deviated by operational and environmental errors. Although errors can be tackled…

quant-ph2019★ 144 cited

Scalable global entangling gates on arbitrary ion qubits

Yao Lu, Shuaining Zhang, Kuan Zhang +5

A quantum algorithm can be decomposed into a sequence consisting of single qubit and 2-qubit entangling gates. To optimize the decomposition and achieve more efficient construction…

quant-ph2017★ 74 cited

Quantum simulation of molecular spectroscopy in trapped-ion device

Yangchao Shen, Joonsuk Huh, Yao Lu +4

Molecules are the most demanding quantum systems to be simulated by quantum computers because of their complexity and the emergent role of quantum nature. The recent theoretical pr…

quant-ph2017★ 45 cited

Revealing nonclassicality beyond Gaussian states via a single marginal distribution

Jiyong Park, Yao Lu, Jaehak Lee +6

A standard method to obtain information on a quantum state is to measure marginal distributions along many different axes in phase space, which forms a basis of quantum state tomog…

quant-ph2016★ 29 cited

Fermion-antifermion scattering via boson exchange in a trapped ion

Xiang Zhang, Kuan Zhang, Yangchao Shen +7

Quantum field theories describe a wide variety of fundamental phenomena in physics. However, their study often involves cumbersome numerical simulations. Quantum simulators, on the…

quant-ph2015★ 306 cited

Quantum Implementation of Unitary Coupled Cluster for Simulating Molecular Electronic Structure

Yangchao Shen, Xiang Zhang, Shuaining Zhang +3

In classical computational chemistry, the coupled-cluster ansatz is one of the most commonly used methods, which is critically limited by its non-unitary nature. The un…