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The orbital relaxation: A possible origin of t - J model with large J

โœ Scribed by A. Fortunelli; A. Painelli


Book ID
103389430
Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
366 KB
Volume
89
Category
Article
ISSN
0038-1098

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On the origin of the unconventional two-
โœ Piotr Wrรณbel; Robert Eder ๐Ÿ“‚ Article ๐Ÿ“… 1994 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 184 KB

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