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One Hole in the Two-Legt−JLadder and Adiabatic Continuity to the Noninteracting Limit
2015
Physical Review Letters
We have carried out density-matrix-renormalization group (DMRG) calculations for the problem of one doped hole in a two-leg t-J ladder. Recent studies have concluded that exotic "Mott" physics --- arising from the projection onto the space of no double-occupied sites --- is manifest in this model system, leading to charge localization and a new mechanism for charge modulation. In contrast, we show that there is no localization and that the charge density modulation arises when the minimum in
doi:10.1103/physrevlett.115.056401
pmid:26274429
fatcat:gortpbiagbh77ii4s2nkw7qxk4