Physics – Condensed Matter – Strongly Correlated Electrons
Scientific paper
1998-06-17
Physics
Condensed Matter
Strongly Correlated Electrons
RevTex, 5pages, 2figures
Scientific paper
We obtain an exact result on single hole dynamics in one-dimensional Mott-insulators through the study on the supersymmetric t-J model with long range interaction at half-filling. We calculate the expression G_{1s1h}(x,t) for one spinon one holon contribution to the hole propagator. We find that G_{1s1h}(x=0,t=0)=3/8, which amounts to 75% of the spin-fixed mean particle density 1/2.
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