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The t-Jz model: two holes pairing by means of one string

✍ Scribed by Yu.A. Dimashko


Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
445 KB
Volume
206
Category
Article
ISSN
0921-4534

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We present a description of the ground state and low-lying excited states of two holes in the 4 x 4 cluster t-J model in terms of a simple model for the motion of a single bipolaron. The existence of short-range antiferromagnetic correlations has been assumed. According to the suggested scenario, th