Pseudogap and charge density waves in two dimensions

被引：169

作者：

Borisenko, S. V. ^{[1
]}

Kordyuk, A. A. ^{[1
,2
]}

Yaresko, A. N. ^{[3
]}

Zabolotnyy, V. B. ^{[1
]}

Inosov, D. S. ^{[1
]}

Schuster, R. ^{[1
]}

Buechner, B. ^{[1
]}

Weber, R. ^{[4
]}

Follath, R. ^{[4
]}

Patthey, L. ^{[5
]}

Berger, H. ^{[6
]}

机构：

[1] IFW Dresden, Leibniz Inst Solid State Res, D-01171 Dresden, Germany

[2] Ukrainian Acad Sci, Inst Met Phys, UA-03142 Kiev, Ukraine

[3] Max Planck Inst Phys Komplexer Syst, Dresden, Germany

[4] BESSY, Berlin, Germany

[5] Paul Scherrer Inst, Swiss Light Source, CH-5234 Villigen, Switzerland

[6] Ecole Polytech Fed Lausanne, Inst Phys Complex Matter, CH-1015 Lausanne, Switzerland

来源：

PHYSICAL REVIEW LETTERS | 2008年 / 100卷 / 19期

关键词：

D O I：

10.1103/PhysRevLett.100.196402

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Using angle-resolved photoemission spectroscopy we demonstrate that a normal-state pseudogap exists above T(N-IC) in one of the most studied two-dimensional charge-density wave (CDW) dichalcogenides 2H-TaSe(2). The initial formation of the incommensurate CDW is confirmed as being driven by a conventional nesting instability, which is marked by a pseudogap. The magnitude, character, and anisotropy of the 2D-CDW pseudogap bear considerable resemblance to those seen in superconducting cuprates.

引用

页数：4

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