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cond-mat.str-el2000★ 3 cited
Difference between microscopic and effective overlaps in the copper-oxide planes of high-Tc superconductors
Ladislav Jankovic, D. K. Sunko
We investigate parametrizations required to reproduce observed Fermi surfaces of overdoped and slightly underdoped LSCO in two different models. One is the standard three-band sadd…
cond-mat.str-el2000
Quantum phase transition in a random-tiling model
D. K. Sunko
The analogue of a Mott-Hubbard transition is discussed, which appears at an incommensurate filling in a model of a two-dimensional plane, randomly tiled with CuO_4 `molecules', sim…
cond-mat.stat-mech2000★ 1 cited
New derivation of the cluster cumulant formula
D. K. Sunko
The cluster cumulant formula of Kubo is derived by appealing only to elementary properties of subsets and binomial coefficients. It is shown to be a binomial transform of the grand…