Checkerboard-Like Charge Ordering in Underdoped Cuprates
نویسندگان
چکیده
منابع مشابه
Checkerboard-Like Charge Ordering in Underdoped Cuprates
Recent scanning tunneling microscopy measurements which indicate the formation of two-dimensional density modulations at some doping levels in cuprates were reviewed. A model of hard-core bosons which represent bound hole pairs in the two-dimensional doped antiferromagnet was discussed in the context of these experimental results. By means of an exact numerical diagonalization it was shown that...
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The evidence of edge-gaps around the M-points in the metallic state of underdoped cuprates has triggered a very active debate on their origin. We first consider the possibility that this spectroscopic feature results from a quasi-static charge ordering taking place in the underdoped regime. It comes out that to explain the coexistence of gaps and arcs on the Fermi surface the charge modulation ...
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ژورنال
عنوان ژورنال: Acta Physica Polonica A
سال: 2006
ISSN: 0587-4246,1898-794X
DOI: 10.12693/aphyspola.109.533