Drude behavior in the far‐infrared conductivity of cuprate superconductors | Zendy

Liu H.L. | Zendy; Quijada M. | Zendy; Romero D.B. | Zendy; Tanner D.B. | Zendy; Zibold A. | Zendy; Carr G.L. | Zendy; Berger H. | Zendy; Forró L. | Zendy; Mihaly L. | Zendy; Cao G. | Zendy; O BeomHoan | Zendy; Markert J.T. | Zendy; Rice J.P. | Zendy; Burns M.J. | Zendy; Delin K.A. | Zendy

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Drude behavior in the far‐infrared conductivity of cuprate superconductors

Author(s) -

Liu H.L.,

Quijada M.,

Romero D.B.,

Tanner D.B.,

Zibold A.,

Carr G.L.,

Berger H.,

Forró L.,

Mihaly L.,

Cao G.,

O BeomHoan,

Markert J.T.,

Rice J.P.,

Burns M.J.,

Delin K.A.

Publication year - 2006

Publication title -

annalen der physik

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.009

H-Index - 68

eISSN - 1521-3889

pISSN - 0003-3804

DOI - 10.1002/andp.200510205

Subject(s) - quasiparticle , far infrared , cuprate , optical conductivity , superconductivity , scattering rate , physics , drude model , generalization , condensed matter physics , conductivity , scattering , variety (cybernetics) , infrared , perspective (graphical) , theoretical physics , statistical physics , quantum mechanics , computer science , epistemology , philosophy , artificial intelligence

When viewed at frequencies below about 8 THz (250 cm ‐1 ; 30 meV) the ab ‐plane optical conductivity of the cuprate superconductors (in their normal state) is well described by a Drude model. Examples include optimally‐doped YBa 2 Cu 3 O 7‐δ and Bi 2 Sr 2 CaCu 2 O 8 ; even the underdoped phases have a Drude character to their optical conductivity. A residual Drude‐like normal fluid is seen in the superconducting state in most cases; the scattering rate of this quasiparticle contribution collapses at T c .

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