54 citations · 108 across the 11 of their papers we have counts for
13 papers · 1 filter
Scalable Quantum Algorithm for Meson Scattering in a Lattice Gauge Theory
Yahui Chai, Yibin Guo, Stefan Kühn
Scattering processes are fundamental for understanding the structure of matter, yet simulating their real-time dynamics remains challenging for classical computers. Quantum computi…
Gaussian boson sampling for binary optimization
Jean Cazalis, Tirth Shah, Yahui Chai +2
Binary optimization is a fundamental area in computational science, with wide-ranging applications from logistics to cryptography, where the tasks are often formulated as Quadratic…
Quantum computing inspired paintings: reinterpreting classical masterpieces
Arianna Crippa, Yahui Chai, Omar Costa Hamido +2
We aim to apply a quantum computing technique to compose artworks. The main idea is to revisit three paintings of different styles and historical periods: ''Narciso'', painted circ…
Variational Quantum Eigensolver Approach to Prime Factorization on IBM's Noisy Intermediate Scale Quantum Computer
Mona Sobhani, Yahui Chai, Tobias Hartung +1
This paper presents a hybrid quantum-classical approach to prime factorization. The proposed algorithm is based on the Variational Quantum Eigensolver (VQE), which employs a classi…
Benchmarking Variational Quantum Algorithms for Combinatorial Optimization in Practice
Tim Schwägerl, Yahui Chai, Tobias Hartung +2
Variational quantum algorithms and, in particular, variants of the varational quantum eigensolver have been proposed to address combinatorial optimization (CO) problems. Using only…
Imaginary Hamiltonian variational ansatz for combinatorial optimization problems
Xiaoyang Wang, Yahui Chai, Xu Feng +3
Obtaining exact solutions to combinatorial optimization problems using classical computing is computationally expensive. The current tenet in the field is that quantum computers ca…
Warm Start of Variational Quantum Algorithms for Quadratic Unconstrained Binary Optimization Problems
Yahui Chai, Karl Jansen, Stefan Kühn +2
Variational Quantum Eigensolver (VQE) is widely used in near-term hardware. However, their performances remain limited by the poor trainability and are dependent on random paramete…
Gaussian Boson Sampling for binary optimization
Jean Cazalis, Yahui Chai, Karl Jansen +2
In this study, we consider a Gaussian Boson Sampler for solving a Flight Gate Assignment problem. We employ a Variational Quantum Eigensolver approach using the Conditional Value-a…
Fermionic wave packet scattering: a quantum computing approach
Yahui Chai, Arianna Crippa, Karl Jansen +4
Quantum computing provides a novel avenue towards simulating dynamical phenomena, and, in particular, scattering processes relevant for exploring the structure of matter. However,…
Simulating the flight gate assignment problem on a trapped ion quantum computer
Yahui Chai, Evgeny Epifanovsky, Karl Jansen +2
We study the flight gate assignment problem on IonQ's Aria trapped ion quantum computer using the variational quantum eigensolver. Utilizing the conditional value at risk as an agg…
Symmetry enhanced variational quantum imaginary time evolution
Xiaoyang Wang, Yahui Chai, Maria Demidik +3
The variational quantum imaginary time evolution (VarQITE) algorithm is a near-term method to prepare the ground state and Gibbs state of Hamiltonians. Finding an appropriate param…
Towards Finding an Optimal Flight Gate Assignment on a Digital Quantum Computer
Yahui Chai, Lena Funcke, Tobias Hartung +4
We investigate the performance of the variational quantum eigensolver (VQE) for the optimal flight gate assignment problem. This problem is a combinatorial optimization problem tha…
Shortcuts to Quantum Approximate Optimization Algorithm
Yahui Chai, Yong-Jian Han, Yu-Chun Wu +3
The Quantum Approximate Optimization Algorithm (QAOA) is a quantum-classical hybrid algorithm intending to find the ground state of a target Hamiltonian. Theoretically, QAOA can ob…