Analytical Quantum Complexity RIKEN Hakubi Research Team

RIKEN Hakubi Team Leader: Tomotaka Kuwahara (Ph.D.)

Research Summary

The field of revealing the computational complexity of quantum many-body system simulations when using a classical computer (or quantum computer) is called Hamiltonian Complexity. In particular, from the viewpoint of quantum supremacy of quantum computers and quantum algorithms employing NISQ (i.e., a small quantum computer without error correction), Hamiltonian complexity has become one of the most important research topics in the field of quantum information. Our research aims to solve open mathematical problems in Hamiltonian complexity.

News

On May 8, the paper “Volume-Independent Spectral Stability of Energy-Truncated Effective Hamiltonians in Quantum Spin Systems” by Ayumi Ukai was uploaded to arXiv.