Fig. 4: Distribution of rung hole pairs in the mixD system.
From: Magnetically mediated hole pairing in fermionic ladders of ultracold atoms
a, Measured pair–pair correlation \({g}_{{\rm{pair}}}^{(2)}(d)\) of rung hole pairs in the experimental system. The upper plot shows the pair–pair correlation for four to five holes, that is, up to two pairs, in the system. The lower plot shows the pair–pair correlation for six to seven holes, that is, up to three pairs in the system. A finite-size offset correction has been applied to the curves (Methods). Error bars were estimated using bootstrapping. b, Theoretical (MPS) results for the density of rung pairs in the system for temperatures from 0.1 J⊥ to 0.7 J⊥. The upper plot shows the pair density for four holes. The lower plot shows the pair density for six holes. In both cases, the pairs maximize their respective distance, while also avoiding the edge of the system.
