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- IBM (United States)US73 papers
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21 papers · 1 filter
A stochastic quantum Krylov protocol with double factorized Hamiltonians
Nicholas H. Stair, Cristian L. Cortes, Robert M. Parrish +2
We propose a class of randomized quantum Krylov diagonalization (rQKD) algorithms capable of solving the eigenstate estimation problem with modest quantum resource requirements. Co…
Fusing Modalities by Multiplexed Graph Neural Networks for Outcome Prediction in Tuberculosis
Niharika S. D'Souza, Hongzhi Wang, Andrea Giovannini +4
In a complex disease such as tuberculosis, the evidence for the disease and its evolution may be present in multiple modalities such as clinical, genomic, or imaging data. Effectiv…
Conformal gravity: Newton's constant is not universal
R. K. Nesbet
Newton's gravitational constant has been measured to high accuracy in a number of independent experiments. For currently unresolved reasons, indicated values from different wel…
Challenges in the use of quantum computing hardware-efficient Ansatze in electronic structure theory
Ruhee D'Cunha, T. Daniel Crawford, Mario Motta +1
Advances in quantum computation for electronic structure, and particularly heuristic quantum algorithms, create an ongoing need to characterize the performance and limitations of t…
Quantum chemistry simulation of ground- and excited-state properties of the sulfonium cation on a superconducting quantum processor
Mario Motta, Gavin O. Jones, Julia E. Rice +5
The computational description of correlated electronic structure, and particularly of excited states of many-electron systems, is an anticipated application for quantum devices. An…
Exact and efficient Lanczos method on a quantum computer
William Kirby, Mario Motta, Antonio Mezzacapo
We present an algorithm that uses block encoding on a quantum computer to exactly construct a Krylov space, which can be used as the basis for the Lanczos method to estimate extrem…