activity
20142023
most citedQuantum Implementation of Unitary Coupled Cluster for Simulating Molecular Electronic Structure

306 citations · 652 across the 8 of their papers we have counts for

collaborators

8 papers

quant-ph2023

Scaling of entangling-gate errors in large ion crystals

Wenhao He, Wenhao Zhang, Xiao Yuan +2

Trapped-ion has shown great advantages in building quantum computers. While high fidelity entangling-gate has been realized for few ions, how to maintain the high fidelity for larg…

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★ 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…

quant-ph2014★ 36 cited

Time Reversal and Charge Conjugation in an Embedding Quantum Simulator

Xiang Zhang, Yangchao Shen, Junhua Zhang +6

The understanding of symmetry operations has brought enormous advancements in physics, ranging from elementary particle to condensed matter systems. In quantum mechanics, symmetry…