192 citations · 1.7k across the 51 of their papers we have counts for
16 papers · 1 filter
Spin susceptibility in bilayered cuprates: resonant magnetic excitations
Ilya Eremin, Dirk K. Morr, Andrey V. Chubukov +1
We study the momentum and frequency dependence of the dynamical spin susceptibility in the superconducting state of bilayer cuprate superconductors. We show that there exists a res…
Charge Transport and Quantum Phase Transitions in Singlet Superconductor - Ferromagnet - Singlet Superconductor Junctions
Boris Kastening, Dirk K. Morr, Lambert Alff +1
We study the Josephson current, I_J, in a junction consisting of two s-wave superconductors that are separated by a ferromagnetic barrier possessing a magnetic and non-magnetic sca…
Novel Josephson Effect in Triplet Superconductor - Ferromagnet - Triplet Superconductor Junctions
Boris Kastening, Dirk K. Morr, Dirk Manske +1
We predict a novel type of Josephson effect to occur in triplet superconductor - ferromagnet - triplet superconductor Josephson junctions. We show that the Josephson current, I_J,…
Novel neutron resonance mode in superconductors
Ilya Eremin, Dirk K. Morr, Andrey V. Chubukov +2
We show that a new resonant magnetic excitation at incommensurate momenta, observed recently by inelastic neutron scattering experiments on YBaCuO and YBaCu$_3…
Renormalization of the elementary excitations in hole- and electron-doped cuprates due to spin fluctuations
D. Manske, I. Eremin, K. H. Bennemann
Extending our previous studies we present results for the doping-, momentum-, frequency-, and temperature- dependence of the kink-like change of the quasiparticle velocity resultin…
Electronic theory for the normal state spin dynamics in SrRuO: anisotropy due to spin-orbit coupling
I. Eremin, D. Manske, K. H. Bennemann
Using a three-band Hubbard Hamiltonian we calculate within the random-phase-approximation the spin susceptibility, , and NMR spin-lattice relaxation rate, 1/T, in…
Phase diagram of underdoped cuprate superconductors: effect of Cooper-pair phase fluctuations
C. Timm, D. Manske, K. H. Bennemann
In underdoped cuprates fluctuations of the phase of the superconducting order parameter play a role due to the small superfluid density. We consider the effects of phase fluctuatio…
Theory for phonon-induced superconductivity in MgB
C. Joas, I. Eremin, D. Manske +1
We analyze superonductivity in MgB observed below K resulting from electron-phonon coupling involving a mode at meV and most importantly the in-plane…
Analysis of the elementary excitations in high-T_c cuprates: explanation of the new energy scale observed by ARPES
D. Manske, I. Eremin, K. H. Bennemann
Using the Hubbard Hamiltonian we analyze the energy- and momentum-dependence of the elementary excitations in high-T superconductors resulting from the coupling to spin fluctua…
Electronic theory for superconductivity in SrRuO: triplet pairing due to spin-fluctuation exchange
I. Eremin, D. Manske, C. Joas +1
Using a two-dimensional Hubbard Hamiltonian for the three electronic bands crossing the Fermi level in SrRuO we calculate the band structure and spin susceptibility $χ({\bf…
Analysis of the resonance peak and magnetic coherence seen in inelastic neutron scattering of cuprate superconductors: a consistent picture with tunneling and conductivity data
D. Manske, I. Eremin, K. H. Bennemann
Assuming the exchange of antiferromagnetic spin fluctuations as the Cooper pairing mechanism we calculate the doping dependence of the resonance peak seen in inelastic neutron scat…
Theory for Electron-Doped Cuprate Superconductors: d-wave symmetry order parameter
D. Manske, I. Eremin, K. H. Bennemann
Using as a model the Hubbard Hamiltonian we determine various basic properties of electron-doped cuprate superconductors like and ${Pr}_{2-x}{Ce}_{x}{…
Theoretical analysis of Cooper-pair phase fluctuations in underdoped cuprates: a spin-fluctuation exchange study
D. Manske, T. Dahm, K. H. Bennemann
We study Cooper-pair phase fluctuations in cuprate superconductors for a spin fluctuation pairing interaction. Using an electronic theory we calculate in particular for the underdo…
Theory for underdoped high-T_c superconductors: effects of phase fluctuations
F. Schaefer, C. Timm, D. Manske +1
In underdoped cuprates, T_c is thought to be determined by Cooper pair phase fluctuations because of the small superfluid density n_s. Experimentally, T_c is found to scale with n_…
Influence of Electron-Phonon Interaction on Spin Fluctuation Induced Superconductivity
T. S. Nunner, J. Schmalian, K. H. Bennemann
We investigate the interplay of the electron-phonon and the spin fluctuation interaction for the superconducting state of YBaCuO. The spin fluctuations are described…
High-T_c Superconductivity and Shadow State Formation in YBa_{2}Cu_{3}O_{6+δ} and Bi_{2}Sr_{2}CaCu_{2}O_{8+δ}
S. Grabowski, J. Schmalian, K. H. Bennemann
The normal and superconducting state of YBa_{2}Cu_{3}O_{6+δ} and Bi_{2}Sr_{2}CaCu_{2}O_{8+δ} are investigated by using the mono- and bilayer Hubbard model within the fluctuation ex…