6 papers · 1 filter
Toward Minimum Graphic Parity Networks
Yixin Cao, Yiren Lu, Junhong Nie +2
Quantum circuits composed of CNOT and are fundamental building blocks of many quantum algorithms, so optimizing the synthesis of such quantum circuits is crucial. We address…
Preparation of Hamming-Weight-Preserving Quantum States with Log-Depth Quantum Circuits
Yu Li, Guojing Tian, Xiaoyu He +1
Quantum state preparation is a critical task in quantum computing, particularly in fields such as quantum machine learning, Hamiltonian simulation, and quantum algorithm design. Th…
Quantum circuit synthesis with qudit phase gadget method
Shuai Yang, Lihao Xu, Guojing Tian +1
Current quantum devices have unutilized high-level quantum resources. More and more attention has been paid to the qudit quantum systems with larger than two dimensions to maximize…
Towards determining the presence of barren plateaus in some chemically inspired variational quantum algorithms
Rui Mao, Guojing Tian, Xiaoming Sun
In quantum chemistry, the variational quantum eigensolver (VQE) is a promising algorithm for molecular simulations on near-term quantum computers. However, VQEs using hardware-effi…
Quantum multi-row iteration algorithm for linear systems with non-square coefficient matrices
Weitao Lin, Guojing Tian, Xiaoming Sun
In the field of quantum linear system algorithms, quantum computing has realized exponential computational advantages over classical computing. However, the focus has been on squar…
Towards Optimal Circuit Size for Sparse Quantum State Preparation
Rui Mao, Guojing Tian, Xiaoming Sun
Compared to general quantum states, the sparse states arise more frequently in the field of quantum computation. In this work, we consider the preparation for -qubit sparse quan…