Static and dynamic properties of a dimerized quantum-spin chain
نویسندگان
چکیده
منابع مشابه
Exact and numerical results for the dimerized spin - orbital chain
We establish exact results for the one-dimensional spin-orbital model for special values of the four-spin interaction V and dimerization parameter δ. The first exact result is at δ = 1/2 and V = −2. Because we find a very small but finite gap in this dimerized chain, this can serve as a very strong test case for numerical and approximate analytical techniques. The second result is for the homog...
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Quantitative expression of the spin gap via bosonization for a dimerized spin-1/2 chain
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ژورنال
عنوان ژورنال: Journal of Physics: Condensed Matter
سال: 1998
ISSN: 0953-8984,1361-648X
DOI: 10.1088/0953-8984/10/28/013