144 citations · 798 across the 14 of their papers we have counts for
14 papers
Theory of Raman scattering from Leggett's collective mode in a multiband superconductor: Application to MgB
M. V. Klein
In 1966 Leggett used a two-band superconductor to show that a new collective mode could exist at low temperatures, corresponding to a counter-flow of the superconducting condensate…
Resonance mode in Raman scattering -- a way to distinguish between spin-fluctuation and phonon-mediated wave superconductivity
A. V. Chubukov, T. P. Devereaux, M. V. Klein
We argue that Raman scattering in symmetry allows one to distinguish between phonon-mediated and magnetically-mediated wave superconductivity. In spin mediated superco…
A study of the superconducting gap in RNiBC (R = Y, Lu) single crystals by inelastic light scattering
In-Sang Yang, M. V. Klein, S. L. Cooper +3
Superconductivity-induced changes in the electronic Raman scattering response were observed for the RNiBC (R = Y, Lu) system in different scattering geometries. In the supe…
Resonant Inelastic X-Ray Scattering from Valence Excitations in Insulating Copper-Oxides
P. Abbamonte, C. A. Burns, E. D. Isaacs +4
We report resonant inelastic x-ray measurements of insulating LaCuO and SrCuOCl taken with the incident energy tuned near the Cu K absorption edge. We show that…
C-axis electronic Raman scattering in Bi_2Sr_2CaCu_2O_{8+δ}
H. L. Liu, G. Blumberg, M. V. Klein +2
We report a c-axis-polarized electronic Raman scattering study of Bi_2Sr_2CaCu_2O_{8+δ} single crystals. In the normal state, a resonant electronic continuum extends to 1.5 eV and…
Evolution of Magnetic and Superconducting Fluctuations with Doping of High-Tc Superconductors
G. Blumberg, M. Kang, M. V. Klein +2
Electronic Raman scattering from high- and low-energy excitations was studied as a function of temperature, extent of hole doping, and energy of the incident photons in Bi_2Sr_2CaC…
Charge and Spin Dynamics of an Ordered Stripe Phase in La_(1 2/3)Sr_(1/3)NiO_4 by Raman Spectroscopy
G. Blumberg, M. V. Klein, S-W. Cheong
For La_(1 2/3)Sr_(1/3)NiO_4 -- a commensurately doped Mott-Hubbard system -- charge- and spin-ordering in a stripe phase has been investigated by phononic and magnetic Raman scatte…
Electronic Raman-scattering study of low-energy excitations in single and double CuO_2-layer Tl-Ba-(Ca)-Cu-O superconductors
Moonsoo Kang, G. Blumberg, M. V. Klein +1
Low energy Raman continuum and the redistribution of the continuum to a peak (2Δ-peak) in the superconducting state have been studied in Tl-Ba-(Ca)-Cu-O superconductors with single…
Evolution of Magnetic and Superconducting Fluctuations with Doping of High-Tc Superconductors (An electronic Raman scattering study)
G. Blumberg, M. V. Klein, K. Kadowaki +3
For YBa_2Cu_3O_{6+δ} and Bi_2Sr_2CaCu_2O_8 superconductors, electronic Raman scattering from high- and low-energy excitations has been studied in relation to the hole doping level,…
Momentum-Dependent Charge Transfer Excitations in Sr2CuO2Cl2 - Angle Resolved Electron Energy Loss Spectroscopy
Y. Y. Wang, F. C. Zhang, V. P. Dravid +4
Electron-hole pair excitations in the insulating cuprates were investigated by angle-resolved electron energy loss spectroscopy. The optically allowed and optically…
Resonant Two-Magnon Raman Scattering in Cuprate Antiferromagnetic Insulators
G. Blumberg, P. Abbamonte, M. V. Klein +3
We present results of low-temperature two-magnon resonance Raman excitation profile measurements for single layer Sr_2CuO_2Cl_2 and bilayer YBa_2Cu_3O_{6 + δ} antiferromagnets over…
Influence of oxygen ordering kinetics on Raman and optical response in YBa_2Cu_3O_{6.4}
A. A. Maksimov, D. A. Pronin, S. V. Zaitsev +7
Kinetics of the optical and Raman response in YBa_2Cu_3O_{6.4} were studied during room temperature annealing following heat treatment. The superconducting T_c, dc resistivity, and…
Antiferromagnetic Excitations and Van Hove Singularities in YBaCuO
G. Blumberg, Branko P. Stojkovic, M. V. Klein
We show that in quasi-two-dimensional -wave superconductors Van Hove singularities close to the Fermi surface lead to novel magnetic quasi-particle excitations. We calculate the…
Resonant two-magnon Raman scattering in antiferromagnetic insulators
Andrey V. Chubukov, David M. Frenkel
We propose a theory of two-magnon {\it resonant\/} Raman scattering from antiferromagnetic insulators, which contains information both on the magnetism and the carrier properties i…