DMRG and effective-pairing theory show insulating regions with persistent superfluid correlations in trapped 1D Fermi-Hubbard chains, with conditioned correlation functions distinguishing BCS-like from BEC-like behavior.
S1 (LEFT), as|U|increases the particle density along the chain becomes increasingly concentrated near the center, eventually forming a smaller, effectively fully filled region
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BCS-BEC crossover in trapped one-dimensional Fermi-Hubbard chains: entanglement and correlation signatures from DMRG and effective-pairing theory
DMRG and effective-pairing theory show insulating regions with persistent superfluid correlations in trapped 1D Fermi-Hubbard chains, with conditioned correlation functions distinguishing BCS-like from BEC-like behavior.