135 citations · 203 across the 3 of their papers we have counts for
3 papers
cond-mat1996★ 13 cited
Coupling to optical phonons in the one-dimensional t-J model: Effects on superconducting fluctuations and phase separation
Roland Fehrenbacher
The one-dimensional (1D) - Holstein model is studied by exact diagonalization of finite rings using a variational approximation for the phonon states. Due to renormalization…
cond-mat1995★ 55 cited
Non-magnetic impurity scattering in a superconductor near a van Hove point: Zn versus Ni in the cuprates
Roland Fehrenbacher
We consider the effect of non-magnetic impurities in a superconductor with $\ef$ close to a van Hove singularity. It is shown that the non-trivial density of states…
cond-mat1994★ 135 cited
Gap Renormalization in Dirty Anisotropic Superconductors: Implications for the Order Parameter of the Cuprates
R. Fehrenbacher, M. R. Norman
We contrast the effects of non-magnetic impurities on the properties of superconductors having a \dw\ order parameter, and a highly anisotropic s-wave (ASW) gap with the same nodal…