Two-hole and four-hole bound states in at-J ladder at half-filling
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چکیده
منابع مشابه
Large size two - hole bound states in t - J model
Several series of shallow large-size (l ≫ lattice spacing) two-hole bound states are found in the two-dimensional t−J model. Their binding energies depend exponentially on the inverse value of the hole-spin-wave coupling constant. Their parity is connected with the angular wave function in a nonstandard way. The possible role of these states in the formation of superconducting pairing is consid...
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ژورنال
عنوان ژورنال: Physical Review B
سال: 2002
ISSN: 0163-1829,1095-3795
DOI: 10.1103/physrevb.66.085112