English

Quantum Phase Transition of Non-Hermitian Systems using Variational Quantum Techniques

Quantum Physics 2025-01-29 v1 High Energy Physics - Lattice

Abstract

The motivation for studying non-Hermitian systems and the role of PT\mathcal{PT}-symmetry is discussed. We investigate the use of a quantum algorithm to find the eigenvalues and eigenvectors of non-Hermitian Hamiltonians, with applications to quantum phase transitions. We use a recently proposed variational algorithm. The systems studied are the transverse Ising model with both a purely real and a purely complex transverse field.

Keywords

Cite

@article{arxiv.2501.17003,
  title  = {Quantum Phase Transition of Non-Hermitian Systems using Variational Quantum Techniques},
  author = {James Hancock and Matthew J. Craven and Craig McNeile and Davide Vadacchino},
  journal= {arXiv preprint arXiv:2501.17003},
  year   = {2025}
}

Comments

Proceedings for LFT conference poster, 10 pages, 3 figures

R2 v1 2026-06-28T21:22:10.271Z