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- W304519693 abstract "The authors study the doping dependence of photoemission spectra for the t-t[prime]-t[double prime]-J model by using the exact diagonalization technique and present a consistent theoretical analysis. Both calculations show that upon doping the enhancement of incoherent motion of holes due to the t[prime] and t[double prime] terms accounts for the formation of the flat region around ([pi], 0) in the quasiparticle dispersion at underdoped and optimally doped region, despite the absence of the flat band at half filling. The results are in excellent agreement with resent photoemission experiments on Bi[sub 2]Sr[sub 2]Ca[sup 1]Cu[sub 2]O[sub 8+[delta]] and Sr[sub 2]CuO[sub 2]Cl[sub 2]." @default.
- W304519693 created "2016-06-24" @default.
- W304519693 creator A5063594581 @default.
- W304519693 date "1998-12-20" @default.
- W304519693 modified "2023-09-25" @default.
- W304519693 title "Two-step evolution of the quasiparticle band with doping in the two-dimensional t-t[prime]-t[double prime]-J model" @default.
- W304519693 hasPublicationYear "1998" @default.
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