Quantum simulation in imaginary time for gauge-invariant models
Abstract
Abstract We present a method to (i) perform deterministic imaginary-time evolution and (ii) compute relevant observables for gauge-invariant models. We formulate the approach in terms of quantum circuits and analyze its scalability on quantum computers. We validate the framework through numerical simulations of two- and three-particle chains. The results show that the method is accurate in a finite-temperature regime and can be used to approximate ground-state energies.
Fields of Study & Subjects
Quantum Computing Algorithms and Architecture
Quantum many-body systems
Cold Atom Physics and Bose-Einstein Condensates
Publication details
- Journal / source
- Physica Scripta
- Volume
- 101
- Issue
- 13
- Pages
- 135106–135106
- Publication date
- 4 March 2026
- Language
- EN