41 citations · 47 across the 12 of their papers we have counts for
11 papers · 1 filter
A Recursive Module-Coupling Algorithm for Computing Low-Energy Eigenstates
Dihang Sun, Nannan Ma, Ching Hua Lee +2
Finding the eigenstates of a many-body Hamiltonian is a fundamental challenge in physics and computational science. Since the search space grows exponentially with system size, num…
Resource-Efficient Bio-Molecular Docking on a NISQ-era Digital Quantum Computer
Tianqi Chen, Adrian M. Mak, Jianguo Li +3
Molecular docking is a vital computational task in drug discovery, wherein the objective is to efficiently identify optimal binding poses between a ligand and a target receptor pro…
Manipulation of Topological Corner States via Subchiral Symmetry
Hai-Tao Ding, Tianqi Chen, Leong-Chuan Kwek +1
Higher-order topological phases provide robust corner modes, but their use requires controllable creation, isolation, and transfer of individual modes and their superpositions. Her…
Digital Simulation of Non-Hermitian Knotted Bands on Quantum Hardware
Truman Yu Ng, Yuzhu Wang, Wei Jie Chan +3
Knots and links represent a fundamental motif of non-local connectivity that permeates the physical sciences from string theory to protein folds. While spectral braiding has been e…
Circuit structure-preserving error mitigation for High-Fidelity Quantum Simulations
Ruizhe Shen, Tianqi Chen, Ching Hua Lee
Developing methods to accurately characterize and mitigate the impact of noise is crucial for enhancing the fidelity of quantum simulations on Noisy Intermediate-Scale Quantum (NIS…
Robust Simulations of Many-Body Symmetry-Protected Topological Phase Transitions on a Quantum Processor
Ruizhe Shen, Tianqi Chen, Bo Yang +2
Topology and symmetry play critical roles in characterizing quantum phases of matter. Recent advancements have unveiled symmetry-protected topological (SPT) phases in many-body sys…
Direct Probe of Topology and Geometry of Quantum States on IBM Q
Tianqi Chen, Hai-Tao Ding, Ruizhe Shen +2
The concepts of topology and geometry are of critical importance in exploring exotic phases of quantum matter. Though they have been investigated on various experimental platforms,…
Observation of the non-Hermitian skin effect and Fermi skin on a digital quantum computer
Ruizhe Shen, Tianqi Chen, Bo Yang +1
Non-Hermitian physics has attracted considerable attention in recent years, particularly the non-Hermitian skin effect (NHSE) for its extreme sensitivity and non-locality. While th…
Higher-order protection of quantum gates: Hamiltonian engineering coordinated with dynamical decoupling
P. Z. Zhao, Tianqi Chen, Sirui Liu +1
Dynamical decoupling represents an active approach towards the protection of quantum memories and quantum gates. Because dynamical decoupling operations can interfere with a system…
Efficient preparation of the AKLT State with Measurement-based Imaginary Time Evolution
Tianqi Chen, Tim Byrnes
Quantum state preparation plays a crucial role in several areas of quantum information science, in applications such as quantum simulation, quantum metrology and quantum computing.…
A Robust Large-Period Discrete Time Crystal and its Signature in a Digital Quantum Computer
Tianqi Chen, Ruizhe Shen, Ching Hua Lee +2
Discrete time crystals (DTCs) are novel out-of-equilibrium quantum states of matter which break time translational symmetry. DTCs have been extensively realized in experiments, par…