9 papers
SinCoTrap: A High-Order Locally Corrected Trapezoidal Rule for Periodic Singular Integrals in Arbitrary Dimensions
Hengzhun Chen, Yingzhou Li
The paper introduces SinCoTrap, a high-order locally corrected trapezoidal rule that efficiently evaluates periodic singular integrals in any dimension by adjusting a small set of…
Structure-Aware Compilation for Scalable Neutral-Atom Quantum Computing
Dekuan Dong, Fengyu Zou, Hengzhun Chen +2
We study the compilation of structured quantum gate families on two-dimensional neutral-atom arrays, aiming to reduce addressing and transport overhead under realistic hardware con…
CDFCI: High-Performance Parallel Software for Many-Body Large-Scale Eigenvalue Problems
Yuejia Zhang, Zhe Wang, Jianfeng Lu +1
CDFCI is a shared-memory parallel numerical program for computing low-lying eigenpairs of large-scale, non-relativistic fermionic Hamiltonians. The software is designed to handle a…
Harnessing dark states: coherent control in coupled cavity-Rydberg-atom systems
Ying-Zhi Li, Xuan Zhao, Le-Man Kuang +1
The dark-state effect, caused by destructive interference, not only is an important fundamental research topic in atomic physics and quantum optics, but also has wide potential app…
On the Continuity of Schur-Horn Mapping
Hengzhun Chen, Yingzhou Li
The Schur-Horn theorem is a well-known result that characterizes the relationship between the diagonal elements and eigenvalues of a symmetric (Hermitian) matrix. In this paper, we…
Landscape Analysis of Excited States Calculation over Quantum Computers
Hengzhun Chen, Yingzhou Li, Bichen Lu +1
The variational quantum eigensolver (VQE) is one of the most promising algorithms for low-lying eigenstates calculation on Noisy Intermediate-Scale Quantum (NISQ) computers. Specif…