DMRG study of the theta-dependent mass spectrum in the 2-flavor Schwinger model

E Itou, A Matsumoto, Y Tanizaki - Journal of High Energy Physics, 2024 - Springer
A bstract We study the θ-dependent mass spectrum of the massive 2-flavor Schwinger
model in the Hamiltonian formalism using the density-matrix renormalization group (DMRG) …

Sample complexity of matrix product states at finite temperature

A Iwaki, C Hotta - Physical Review B, 2024 - APS
For quantum many-body systems in one dimension, computational complexity theory
reveals that the evaluation of ground-state energy remains elusive on quantum computers …

Quantum computation in fermionic thermal field theories

W Qian, B Wu - arxiv preprint arxiv:2404.07912, 2024 - arxiv.org
Thermal properties of quantum fields at finite temperature are crucial to understanding
strongly interacting matter and recent development in quantum computing has provided an …

Tensor Networks for Relativistic Hamiltonian Lattice Gauge Theory

M Rigobello - 2024 - research.unipd.it
We apply and implement numerical tensor network (TN) methods from quantum many-body
physics to the simulation of high-energy physics. Relying on Hamiltonian lattice quantum …