6 papers · 1 filter
A High-Performance Pauli-Algebra Framework for Large-Scale Quantum Simulations
Xiaopeng Li, Zhijie Sun, Yi Fan +3
Efficient manipulation of Pauli-algebraic objects is a key bottleneck in the classical emulation and benchmarking of quantum algorithms for chemistry and many-body physics. This bo…
Perturbative Variational Quantum Eigensolver via Reduced Density Matrices
Yuhan Zheng, Yibin Guo, Huili Zhang +5
Current noisy intermediate-scale quantum (NISQ) devices remain limited in their ability to perform accurate quantum chemistry simulations due to restricted numbers of high-fidelity…
Variational-Cartan Quantum Dynamics Simulations of Excitation Dynamics
Linyun Wan, Jie Liu, Zhenyu Li +1
Quantum dynamics simulations (QDSs) are one of the most highly anticipated applications of quantum computing. Quantum circuit depth for implementing Hamiltonian simulation algorith…
Circuit-Efficient Qubit-Excitation-based Variational Quantum Eigensolver
Zhijie Sun, Jie Liu, Zhenyu Li +1
The wave function Ansatze are crucial in the context of the Variational Quantum Eigensolver (VQE). In the Noisy Intermediate-Scale Quantum era, the design of low-depth wave functio…
Quantum Equation-of-Motion Method with Single, Double, and Triple Excitations
Yuhan Zheng, Jie Liu, Zhenyu Li +1
The quantum equation-of-motion (qEOM) method with singles and doubles has been suggested to study electronically excited states while it fails to predict the excitation energies do…
Rapidly Achieving Chemical Accuracy with Quantum Computing Enforced Language Model
Honghui Shang, Xiongzhi Zeng, Ming Gong +11
Finding accurate ground state energy of a many-body system has been a major challenge in quantum chemistry. The integration of classic and quantum computers has shed new light on r…