Electrodynamics of high- superconductors
Recent studies of the electromagnetic response of high-T c superconductors using terahertz,
infrared, and optical spectroscopies are reviewed. In combination these experimental …
infrared, and optical spectroscopies are reviewed. In combination these experimental …
Charge dynamics across the planes in
K Tamasaku, Y Nakamura, S Uchida - Physical review letters, 1992 - APS
Infrared reflectivity measurements on high-quality single crystals of La 2− x Sr x CuO 4 were
performed with polarization perpendicular to the CuO 2 planes (E∥ c). The c-axis spectrum …
performed with polarization perpendicular to the CuO 2 planes (E∥ c). The c-axis spectrum …
In-Plane Anisotropy of the Penetration Depth in and Y Superconductors
The superfluid response of single-crystal Y Ba 2 Cu 3 O 7− x and Y Ba 2 Cu 4 O 8 shows a
strong anisotropy in the a− b plane as revealed by far infrared spectroscopy. The value of …
strong anisotropy in the a− b plane as revealed by far infrared spectroscopy. The value of …
Pseudogap and Charge Dynamics in Planes in YBCO
We report on the infrared conductivity of YBa 2 Cu 3 O x and YBa 2 Cu 4 O 8 crystals with
different oxygen content and Zn doping. We find a correlation between the structure of the …
different oxygen content and Zn doping. We find a correlation between the structure of the …
Optical absorption of an interacting many-polaron gas
J Tempere, JT Devreese - Physical Review B, 2001 - APS
The optical absorption of a many (continuum) polaron gas is derived in the framework of a
variational approach at zero temperature and weak electron-phonon coupling strength. We …
variational approach at zero temperature and weak electron-phonon coupling strength. We …
Evolution of a Polaron Band through the Phase Diagram of
The evolution with doping and temperature of the polaronic absorption in a family of high-T c
superconductors is followed across the whole phase diagram. The polaron band softens …
superconductors is followed across the whole phase diagram. The polaron band softens …
Optical properties of polarons
P Calvani - La Rivista del Nuovo Cimento, 2001 - Springer
In the last two decades, solid-state physics has greatly extended its domain, either exploring
the properties of semiconductors on a nanometer scale, and investigating new classes of …
the properties of semiconductors on a nanometer scale, and investigating new classes of …
In-plane polarized collective modes in detwinned YBa2Cu3O6. 95 observed by spectral ellipsometry
C Bernhard, T Holden, J Humlıcek, D Munzar… - Solid state …, 2002 - Elsevier
The in-plane dielectric response of detwinned YBa2Cu3O6. 95 has been studied by far-
infared ellipsometry. A surprisingly large number of in-plane polarized modes are observed …
infared ellipsometry. A surprisingly large number of in-plane polarized modes are observed …
Optical conductivity of the nonsuperconducting cuprate
Abstract La 8− x Sr x Cu 8 O 20 is a nonsuperconducting cuprate which exhibits a doubling
of the elementary cell along the c axis. Its optical conductivity has been first measured here …
of the elementary cell along the c axis. Its optical conductivity has been first measured here …
Anisotropic Optical Spectra of : Possible Tomonaga-Luttinger Liquid Response of the Quasi-One-Dimensional Metallic CuO Double Chains
K Takenaka, K Nakada, A Osuka, S Horii, H Ikuta… - Physical Review Letters, 2000 - APS
The optical spectra of PrBa 2 Cu 4 O 8 show large in-plane anisotropy. For the a polarization
(E⊥ chain), the spectrum is characterized by a gap of 1.4 eV, indicating the charge-transfer …
(E⊥ chain), the spectrum is characterized by a gap of 1.4 eV, indicating the charge-transfer …