204 citations · 2.3k across the 47 of their papers we have counts for
31 papers · 1 filter
Influence of pressure on properties of multi-gap type-I superconductor BeAu
Rustem Khasanov, Riccardo Vocaturo, Oleg Janson +7
We report on studies of the superconducting and normal state properties of the noncentrosymmetric superconductor BeAu under hydrostatic pressure conditions. The room-temperature eq…
Band dependent emergence of heavy quasiparticles in CeCoIn5
A. Koitzsch, T. K. Kim, U. Treske +7
We investigate the low temperature (T 2 K) electronic structure of the heavy fermion superconductor CeCoIn5 (T = 2.3 K) by angle-resolved photoemission spectroscopy (ARPES)…
Fermi surface of Ba{1-x}KxFe2As2 as probed by angle-resolved photoemission
V. B. Zabolotnyy, D. V. Evtushinsky, A. A. Kordyuk +10
Here we apply high resolution angle-resolved photoemission spectroscopy (ARPES) using a wide excitation energy range to probe the electronic structure and the Fermi surface topolog…
Momentum-resolved superconducting gap in the bulk of BaKFeAs from combined ARPES and SR measurements
D. V. Evtushinsky, D. S. Inosov, V. B. Zabolotnyy +15
Here we present a calculation of the temperature-dependent London penetration depth, , in BaKFeAs (BKFA) on the basis of the electronic band structure […
The electronic structure of CeCoIn5 from angle-resolved photoemission spectroscopy I: Comparison to LDA
A. Koitzsch, I. Opahle, S. Elgazzar +12
We have investigated the low-energy electronic structure of the heavy fermion superconductor CeCoIn5 by angle-resolved photoemission and band structure calculations. We measured th…
The electronic structure of CeCoIn5 from angle-resolved photoemission spectroscopy II: Hybridization effects
A. Koitzsch, S. V. Borisenko, D. Inosov +9
We have investigated the low-energy electronic structure of the heavy fermion superconductor CeCoIn5 by angle-resolved photoemission. We focus on the dispersion and the peak width…
Momentum dependence of the superconducting gap in BaKFeAs
D. V. Evtushinsky, D. S. Inosov, V. B. Zabolotnyy +12
The precise momentum dependence of the superconducting gap in the iron-arsenide superconductor with Tc = 32K (BKFA) was determined from angle-resolved photoemission spectroscopy (A…
(pi,pi)-electronic order in iron arsenide superconductors
V. B. Zabolotnyy, D. S. Inosov, D. V. Evtushinsky +14
The distribution of valence electrons in metals usually follows the symmetry of an ionic lattice. Modulations of this distribution often occur when those electrons are not stable w…
Valence band and core level photoemission spectros-copy of LaFeAsOF
A. Koitzsch, D. Inosov, J. Fink +9
We have investigated the electronic structure of LaFeAsOF (x = 0; 0.1; 0.2) by angle-integrated photoemission spectroscopy and local density approximation (LDA) based…
Disentangling surface and bulk photoemission using circularly polarized light
V. B. Zabolotnyy, S. V. Borisenko, A. A. Kordyuk +10
We show that in the angle resolved photoemission spectroscopy (ARPES) near-surface induced fields can be useful for disentangling the surface and bulk related emission. The jump of…
Relation between the one-particle spectral function and dynamic spin susceptibility in superconducting BiSrCaCuO
D. Inosov, S. Borisenko, I. Eremin +9
Angle resolved photoemission spectroscopy (ARPES) provides a detailed view of the renormalized band structure and, consequently, is a key to the self-energy and the single-particle…
Coexistence of metallicity and superconductivity in adjacent bilayers of a high-Tc superconductor
V. B. Zabolotnyy, S. V. Borisenko, A. A. Kordyuk +10
Experimental studies of the electronic structure remain the basic means for understanding the nature of high-temperature superconductivity (HTSC) and testing relevant theoretical m…
About the relation between the quasiparticle Green's function in cuprates obtained from ARPES data and the magnetic susceptibility
D. S. Inosov, S. V. Borisenko, I. Eremin +7
Angle resolved photoemission spectroscopy (ARPES) provides a detailed view of the renormalized band structure in cuprates and, consequently, is a key to the self-energy and the qua…
Current spinon-holon description of the one-dimensional charge-transfer insulator SrCuO2: Angle-resolved photoemission measurements
A. Koitzsch, S. V. Borisenko, J. Geck +6
We have investigated the low-energy electronic structure of the strongly correlated one-dimensional copper oxide chain compound SrCuO2 by angle resolved photoemission as a function…
A reevaluation of the coupling to a bosonic mode of the charge carriers in (Bi,Pb)SrCaCuO at the antinodal point
J. Fink, A. Koitzsch, J. Geck +5
Angle-resolved photoemission spectroscopy (ARPES) is used to study the spectral function of the optimally doped high-T superconductor (Bi,Pb)SrCaCuO in the…
Dressing of the charge carriers in high-Tc superconductors
Joerg Fink, Sergey Borisenko, Alexander Kordyuk +6
In this contribution we review recent ARPES results on the dressing of the charge carriers in high-temperature superconductors. After an introduction into the cuprates and their el…
"Kinks", Nodal Bilayer Splitting and Interband Scattering in YBCO
S. V. Borisenko, A. A. Kordyuk, V. Zabolotnyy +13
We apply the new-generation ARPES methodology to the most widely studied cuprate superconductor YBCO. Considering the nodal direction, we found noticeable renormalization effects k…
Evolution of Superconductivity in Electron-Doped Cuprates: Magneto-Raman Spectroscopy
M. M. Qazilbash, A. Koitzsch, B. S. Dennis +5
The electron-doped cuprates Pr_{2-x}Ce_xCuO_4 and Nd_{2-x}Ce_xCuO_4 have been studied by electronic Raman spectroscopy across the entire region of the superconducting (SC) phase di…
Life of the nodal quasiparticles in Bi-2212 as seen by ARPES
A. A. Kordyuk, S. V. Borisenko, A. Koitzsch +4
While the pronounced doping dependence of the quasiparticle spectral weight in the antinodal region of the superconducting cuprates, as seen by ARPES, unambiguously points to the m…
Effect of Zn and Ni impurities on the quasiparticle renormalization in Bi-2212
V. B. Zabolotnyy, S. V. Borisenko, A. A. Kordyuk +10
The Cu substitution by Zn and Ni impurities and its influence on the mass renormalization effects in angle resolved photoelectron spectra (ARPES) of Bi-2212 is addressed. We show t…
Parity of the Pairing Bosons in a High-Temperature Superconductor
S. V. Borisenko, A. A. Kordyuk, A. Koitzsch +10
We report the observation of a novel effect in the bilayer Pb-Bi2212 high-TC superconductor by means of angle-resolved photoemission with circularly polarized excitation. Different…
Manifestation of the magnetic resonance mode in the nodal quasiparticle lifetime in superconducting cuprates
A. A. Kordyuk, S. V. Borisenko, A. Koitzsch +9
Studying the nodal quasiparticles in superconducting cuprates by photoemission with highly improved momentum resolution, we show that a new "kink" feature in the scattering rate is…
Change of quasiparticle dispersion in crossing T_c in the underdoped cuprates
T. Eckl, W. Hanke, S. V. Borisenko +5
One of the most remarkable properties of the high-temperature superconductors is a pseudogap regime appearing in the underdoped cuprates above the superconducting transition temper…
Angle-resolved photoemission using the circularly polarized light in Pb-Bi2212
S. V. Borisenko, A. A. Kordyuk, A. Koitzsch +3
In a recent preprint Campuzano et al.(cond-mat/0309402), have questioned the validity of our ARPES results (cond-mat/0305179) contradicting the interpretation of earlier photoemiss…