Spectral decomposition and high-accuracy Greens functions: Overcoming the Nyquist-Shannon limit via complex-time Krylov expansion

arXiv:2411.09680 · cond-mat.str-el, quant-ph · Submitted 2024-11-14 · Read on arXiv

cond-mat.str-el, quant-ph

Submitted: 2024-11-14

Updated: 2026-03-19

Comments: 5+8 pages, 2+2 figures

Journal ref: Phys. Rev. Lett. 136, 160401 (2026)

DOI: 10.1103/bx76-hps4

License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/

Terminology

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