249 citations · 528 across the 13 of their papers we have counts for
14 papers
Reconstructing fluid velocity fields from sparse sensors using a variational quantum algorithm
Nhat-Quang Nguyen, Mohammad Mehedi Hasan Akash, Kourosh Shoele +2
Reconstructing fields governed by nonlinear partial differential equations (PDEs) from sparse measurements is a challenging task because the governing equations are strongly nonlin…
Efficient Quantum Simulation of Variable-Coefficient Transport with Continuous Source Injection
Mohammad Mehedi Hasan Akash, Turag Dev, Nhat-Quang Nguyen +3
Quantum time-marching algorithms for transport PDEs often represent variable coefficients and forcing through register-expanding dilations, block-encoding oracles, or repeated post…
Hybrid Lattice Surgery: Non-Clifford Gates via Non-Abelian Surface Codes
Sheng-Jie Huang, Alison Warman, Sakura Schafer-Nameki +1
In universal fault-tolerant quantum computing, implementing logical non-Clifford gates often demands substantial spacetime resources for many error-correcting codes, including the…
Generating logical magic states with the aid of non-Abelian topological order
Sheng-Jie Huang, Yanzhu Chen
In fault-tolerant quantum computing with the surface code, non-Clifford gates are crucial for universal computation. However, implementing these gates using methods like magic stat…
ADAPT-QAOA with a classically inspired initial state
Vishvesha K. Sridhar, Yanzhu Chen, Bryan Gard +2
Quantum computing may provide advantage in solving classical optimization problems. One promising algorithm is the quantum approximate optimization algorithm (QAOA). There have bee…
Architectures for Multinode Superconducting Quantum Computers
James Ang, Gabriella Carini, Yanzhu Chen +30
Many proposals to scale quantum technology rely on modular or distributed designs where individual quantum processors, called nodes, are linked together to form one large multinode…
TETRIS-ADAPT-VQE: An adaptive algorithm that yields shallower, denser circuit ansätze
Panagiotis G. Anastasiou, Yanzhu Chen, Nicholas J. Mayhall +2
Adaptive quantum variational algorithms are particularly promising for simulating strongly correlated systems on near-term quantum hardware, but they are not yet viable due, in lar…
How Much Entanglement Do Quantum Optimization Algorithms Require?
Yanzhu Chen, Linghua Zhu, Chenxu Liu +3
Many classical optimization problems can be mapped to finding the ground states of diagonal Ising Hamiltonians, for which variational quantum algorithms such as the Quantum Approxi…
Error statistics and scalability of quantum error mitigation formulas
Dayue Qin, Yanzhu Chen, Ying Li
Quantum computing promises advantages over classical computing in many problems. Nevertheless, noise in quantum devices prevents most quantum algorithms from achieving the quantum…
Topological invariants beyond symmetry indicators: Boundary diagnostics for twofold rotationally symmetric superconductors
Yanzhu Chen, Sheng-Jie Huang, Yi-Ting Hsu +1
Topological crystalline superconductors are known to have possible higher-order topology, which results in Majorana modes on or lower-dimensional boundaries. Given the rich p…
Learning-based quantum error mitigation
Armands Strikis, Dayue Qin, Yanzhu Chen +2
If NISQ-era quantum computers are to perform useful tasks, they will need to employ powerful error mitigation techniques. Quasi-probability methods can permit perfect error compens…
Detector Tomography on IBM 5-qubit Quantum Computers and Mitigation of Imperfect Measurement
Yanzhu Chen, Maziar Farahzad, Shinjae Yoo +1
We use quantum detector tomography to characterize the qubit readout in terms of measurement POVMs on IBM Quantum Computers IBM Q 5 Tenerife and IBM Q 5 Yorktown. Our results sugge…
Quantum algorithm for spectral projection by measuring an ancilla iteratively
Yanzhu Chen, Tzu-Chieh Wei
We propose a quantum algorithm for projecting a quantum system to eigenstates of any Hermitian operator, provided one can access the associated control-unitary evolution for the an…
Universal quantum computing using symmetry-protected topologically ordered states
Yanzhu Chen, Abhishodh Prakash, Tzu-Chieh Wei
Measurement-based quantum computation describes a scheme where entanglement of resource states is utilized to simulate arbitrary quantum gates via local measurements. Recent works…