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Trapped Ion Quantum Computing Quantum Simulation Quantum Chemistry

Reducing qubit requirements for quantum simulation using molecular point group symmetries

arXiv
Authors: Kanav Setia, Richard Chen, Julia E. Rice, Antonio Mezzacapo, Marco Pistoia, James Whitfield

Year

2019

Paper ID

15131

Status

Preprint

Abstract Read

~2 min

Abstract Words

95

Citations

N/A

Abstract

Simulating molecules is believed to be one of the early-stage applications for quantum computers. Current state-of-the-art quantum computers are limited in size and coherence, therefore optimizing resources to execute quantum algorithms is crucial. In this work, we develop the second quantization representation of the spatial-symmetries which are then transformed to their qubit operator representation. These qubit operator representations are used to reduce the number of qubits required for simulating molecules. We present our results for various molecules and elucidate a formal connection of this work with a previous technique that analyzed generic Z2 Pauli symmetries.

Why This Paper Matters

  • This paper contributes to the Quantum Simulation research area in the Quantum Articles archive.
  • It adds a 2019 reference point for readers tracking recent quantum research.
  • Simulating molecules is believed to be one of the early-stage applications for quantum computers.

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References & Citation Signals

[1] DOI https://doi.org/arXiv:1910.14644 [2] arXiv https://arxiv.org/abs/1910.14644 [3] Publisher https://arxiv.org/abs/1910.14644

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