activity
20242026
collaborators

8 papers

quant-ph2026

ArcTN: Efficient Tensor-Network Contraction Planning for Quantum Circuit Simulation

Zhengyi Liu, Li Liu, Songtao Liu +7

Tensor-network simulation of quantum circuits depends on contraction orders with low computational cost and small intermediate tensors, found without excessive planning time. We pr…

quant-ph2026

Vanilla Exact Synthesis of CNOT Circuits is NP-hard

Chenjian Li, Ji Guan

Exact CNOT synthesis seeks a minimum-size circuit implementing a given invertible binary linear transformation. We study its vanilla formulation: synthesis from the identity on fix…

quant-ph2026

Parallelizable Exact Synthesis of Quantum Circuits via Semi-Tensor Product

Chenjian Li, Dingchao Gao, Xiangzhen Zhou +3

Exact synthesis is a key infrastructure in quantum circuit synthesis and optimization, which provides optimal implementations of small circuit shards and is widely used as a circui…

quant-ph2026

Hamiltonian-Aware ADAPT Variational Quantum Eigensolver for Molecular Ground-State Simulation

Runhong He, Chao Liu, Xin Hong +5

Designing compact ansätze in Variational Quantum Eigensolver (VQE) is crucial for solving energetic problems of practical molecules on near-term quantum devices. However, existing…

quant-ph2026

Constructing Compact ADAPT Unitary Coupled-Cluster Ansatz with Parameter-Based Criterion

Runhong He, Xin Hong, Qiaozhen Chai +5

The adaptive derivative-assembled pseudo-trotter variational quantum eigensolver (ADAPT-VQE) is a promising hybrid quantum-classical algorithm for molecular ground state energy cal…

physics.chem-ph2025

Hamiltonian-Informed Point Group Symmetry-Respecting Ansatz for Variational Quantum Eigensolver

Runhong He, Arapat Ablimit, Xin Hong +5

Solving molecular energy levels via the Variational Quantum Eigensolver (VQE) algorithm represents one of the most promising applications for demonstrating practically meaningful q…

quant-ph2025

Gradient-Based Excitation Filter for Molecular Ground-State Simulation

Runhong He, Qiaozhen Chai, Xin Hong +4

Molecular ground-state simulation is one of the most promising fields for demonstrating practical quantum advantage on near-term quantum computers. However, the Variational Quantum…

quant-ph2024

RH: An Architecture for Redesigning Quantum Circuits on Quantum Hardware Devices

Runhong He, Ji Guan, Xin Hong +3

In this paper we present an architecture that enables the redesign of large-scale quantum circuits on quantum hardware based on the entangling quantum generative adversarial networ…