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Dynamic spin susceptibility in the planar t − J model at finite temperatures

✍ Scribed by J. Jaklič; P. Prelovšek

Publisher
Elsevier Science
Year
1994
Tongue
English
Weight
194 KB
Volume
235-240
Category
Article
ISSN
0921-4534

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✦ Synopsis

The temperature and doping dependence of the dynamic spin susceptibility in tke planar t -J model is studied in small systems. Finite temperature dynamic correlation functions are calculated on clusters with up to 20 sites with the method, based on the Lanczos diagonalization technique and random sampling. The 1/7"1 NMR relaxation rate is estimated from the low frequency limit of dynamic spin correlation functions.

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Finite temperature transport quantities
Finite temperature transport quantities in the two-dimensional t - J model
✍ P. Prelovšek; J. Jaklič 📂 Article 📅 1994 🏛 Elsevier Science 🌐 English ⚖ 272 KB

Finite temperature transport quantities, as the optical conductivity a(w), the d.c. resistivity p(T), the Hall conductivity, are studied in the planar t -J model at various hole dopings using a novel method based on the Lanczos diagonalization of small systems. At optimum doping a(w) spectra show a