Fourth-order perturbation theory for the Frohlich polaron: Analytic structure of the weak-coupling series and the crossover to strong coupling

arXiv:2610.10030 · cond-mat.str-el · Submitted 2026-10-07 · Read on arXiv

cond-mat.str-el

Submitted: 2026-10-07

Updated: 2026-10-07

Comments: 15 pages, 5 figures, 10 tables

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

Sources

Related papers