no code implementations • 28 May 2024 • Marc Wanner, Laura Lewis, Chiranjib Bhattacharyya, Devdatt Dubhashi, Alexandru Gheorghiu
In this work, we introduce two approaches that achieve a constant sample complexity, independent of system size $n$, for learning ground state properties.
no code implementations • 30 Oct 2023 • Haimeng Zhao, Laura Lewis, Ishaan Kannan, Yihui Quek, Hsin-Yuan Huang, Matthias C. Caro
While quantum state tomography is notoriously hard, most states hold little interest to practically-minded tomographers.
no code implementations • 30 Jan 2023 • Laura Lewis, Hsin-Yuan Huang, Viet T. Tran, Sebastian Lehner, Richard Kueng, John Preskill
Finding the ground state of a quantum many-body system is a fundamental problem in quantum physics.