Ontology highlight
ABSTRACT:
SUBMITTER: Sous J
PROVIDER: S-EPMC5430795 | biostudies-literature | 2017 Apr
REPOSITORIES: biostudies-literature
Sous J J Chakraborty M M Adolphs C P J CPJ Krems R V RV Berciu M M
Scientific reports 20170426 1
We study two identical fermions, or two hard-core bosons, in an infinite chain and coupled to phonons by interactions that modulate their hopping as described by the Peierls/Su-Schrieffer-Heeger (SSH) model. We show that exchange of phonons generates effective nearest-neighbor repulsion between particles and also gives rise to interactions that move the pair as a whole. The two-polaron phase diagram exhibits two sharp transitions, leading to light dimers at strong coupling and the flattening of ...[more]