Optimizing electronic structure simulations on a trapped-ion quantum computer using problem decomposition

  title={Optimizing electronic structure simulations on a trapped-ion quantum computer using problem decomposition},
  author={Yukio Kawashima and Erika Lloyd and Marc P. Coons and Yun Seong Nam and Shunji Matsuura and Alejandro J Garza and Sonika Johri and Lee M J Huntington and Valentin Senicourt and Andrii O. Maksymov and Jason H. V. Nguyen and Jungsang Kim and Nima Alidoust and Arman Zaribafiyan and Takeshi Yamazaki},
  journal={Communications Physics},
Quantum computers have the potential to advance material design and drug discovery by performing costly electronic structure calculations. A critical aspect of this application requires optimizing the limited resources of the quantum hardware. Here, we experimentally demonstrate an end-to-end pipeline that focuses on minimizing quantum resources while maintaining accuracy. Using density matrix embedding theory as a problem decomposition technique, and an ion-trap quantum computer, we simulate a… 

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