Efficient two-electron ansatz for benchmarking quantum chemistry on a quantum computer

2020/04/17 by Scott E. Smart, David A. Mazziotti · 17 citations
Computer Science · Physics and Astronomy · #Ansatz #Hydrogen molecule #IBM #Molecule #Quantum #Quantum Computing Algorithms and Architecture #Quantum algorithm #Quantum and electron transport phenomena #Quantum chemistry #Quantum computer #Quantum-Dot Cellular Automata #quant-ph

paper · pdf · doi:10.1103/physrevresearch.2.023048

published in Physical Review Research 2(2) (American Physical Society)

openalex publication_date 2020/04/17 · arxiv created 2020/04/21 · arxiv updated 2020/04/23 · openalex created_date 2020/04/24 · openalex updated_date 2026/08/06

Abstract

This paper introduces an algorithm for computing atoms and molecules with a pair of electrons for quantum computers. The authors apply the benchmark to 5- and 15-qubit IBM quantum computers, predicting the dissociation of hydrogen gas H₂ and interstellar H₃⁺.

Citations

• Charge insensitive qubit design derived from the Cooper pair box
• A simple all-microwave entangling gate for fixed-frequency superconducting qubits
• A variational eigenvalue solver on a photonic quantum processor
• Efficient description of strongly correlated electrons with mean-field cost
• Implementing the Nelder-Mead simplex algorithm with adaptive parameters
• Zur Theorie der linearen und nichtlinearen Integralgleichungen
• Error mitigation for short-depth quantum circuits
• Quantum Computing in the NISQ era and beyond
• Quantum computational chemistry
• Quantum Computation and Quantum Information