4.7k citations · 16.5k across the 115 of their papers we have counts for
18 papers · 2 filters
Quantum algorithms for generator coordinate methods
Muqing Zheng, Bo Peng, Nathan Wiebe +3
This paper discusses quantum algorithms for the generator coordinate method (GCM) that can be used to benchmark molecular systems. The GCM formalism defined by exponential operator…
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…
Improved Accuracy for Trotter Simulations Using Chebyshev Interpolation
Gumaro Rendon, Jacob Watkins, Nathan Wiebe
Quantum metrology allows for measuring properties of a quantum system at the optimal Heisenberg limit. However, when the relevant quantum states are prepared using digital Hamilton…
Training quantum neural networks using the Quantum Information Bottleneck method
Ahmet Burak Catli, Nathan Wiebe
We provide in this paper a concrete method for training a quantum neural network to maximize the relevant information about a property that is transmitted through the network. This…
Deterministic constant-depth preparation of the AKLT state on a quantum processor using fusion measurements
Kevin C. Smith, Eleanor Crane, Nathan Wiebe +1
The ground state of the spin-1 Affleck, Kennedy, Lieb and Tasaki (AKLT) model is a paradigmatic example of both a matrix product state and a symmetry-protected topological phase, a…
Generating Approximate Ground States of Molecules Using Quantum Machine Learning
Jack Ceroni, Torin F. Stetina, Maria Kieferova +3
The potential energy surface (PES) of molecules with respect to their nuclear positions is a primary tool in understanding chemical reactions from first principles. However, obtain…
Analyzing Prospects for Quantum Advantage in Topological Data Analysis
Dominic W. Berry, Yuan Su, Casper Gyurik +7
Lloyd et al. were first to demonstrate the promise of quantum algorithms for computing Betti numbers, a way to characterize topological features of data sets. Here, we propose, ana…
Bosonic Qiskit
Timothy J Stavenger, Eleanor Crane, Kevin Smith +3
The practical benefits of hybrid quantum information processing hardware that contains continuous-variable objects (bosonic modes such as mechanical or electromagnetic oscillators)…
Synthesizing efficient circuits for Hamiltonian simulation
Priyanka Mukhopadhyay, Nathan Wiebe, Hong Tao Zhang
We provide a new approach for compiling quantum simulation circuits that appear in Trotter, qDRIFT and multi-product formulas to Clifford and non-Clifford operations that can reduc…
Using Random Walks for Iterative Phase Estimation
Cassandra Granade, Nathan Wiebe
In recent years there has been substantial development in algorithms for quantum phase estimation. In this work we provide a new approach to online Bayesian phase estimation that a…
Reducing molecular electronic Hamiltonian simulation cost for Linear Combination of Unitaries approaches
Ignacio Loaiza, Alireza Marefat Khah, Nathan Wiebe +1
We consider different Linear Combination of Unitaries (LCU) decompositions for molecular electronic structure Hamiltonians. Using these LCU decompositions for Hamiltonian simulatio…
Towards solving the Fermi-Hubbard model via tailored quantum annealers
Ryan Levy, Zoe Gonzalez Izquierdo, Zhihui Wang +8
The Fermi-Hubbard model (FHM) on a two dimensional square lattice has long been an important testbed and target for simulating fermionic Hamiltonians on quantum hardware. We presen…
Two-Unitary Decomposition Algorithm and Open Quantum System Simulation
Nishchay Suri, Joseph Barreto, Stuart Hadfield +3
Simulating general quantum processes that describe realistic interactions of quantum systems following a non-unitary evolution is challenging for conventional quantum computers tha…
Quantum Bayesian Error Mitigation Employing Poisson Modelling over the Hamming Spectrum for Quantum Error Mitigation
Samuel Stein, Nathan Wiebe, Yufei Ding +2
The field of quantum computing has experienced a rapid expansion in recent years, with ongoing exploration of new technologies, a decrease in error rates, and a growth in the numbe…
Composite Quantum Simulations
Matthew Hagan, Nathan Wiebe
In this paper we provide a framework for combining multiple quantum simulation methods, such as Trotter-Suzuki formulas and QDrift into a single Composite channel that builds upon…
Quantum Simulation for High Energy Physics
Christian W. Bauer, Zohreh Davoudi, A. Baha Balantekin +28
It is for the first time that Quantum Simulation for High Energy Physics (HEP) is studied in the U.S. decadal particle-physics community planning, and in fact until recently, this…
Entanglement area law for 1D gauge theories and bosonic systems
Nilin Abrahamsen, Yu Tong, Ning Bao +2
We prove an entanglement area law for a class of 1D quantum systems involving infinite-dimensional local Hilbert spaces. This class of quantum systems include bosonic models such a…
Time Dependent Hamiltonian Simulation Using Discrete Clock Constructions
Jacob Watkins, Nathan Wiebe, Alessandro Roggero +1
Compared with time independent Hamiltonians, the dynamics of generic quantum Hamiltonians are complicated by the presence of time ordering in the evolution operator. In the…