264 citations · 619 across the 8 of their papers we have counts for
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cond-mat.supr-con2002★ 90 cited
Effective action approach to the Leggett's mode in two-band superconductors
S. G. Sharapov, V. P. Gusynin, H. Beck
We investigate a collective excitation (Leggett's mode) corresponding to small fluctuations of the relative phase of two condensates in two-band superconductor using the effective…
cond-mat2002★ 39 cited
Quantum Monte Carlo study of the 3D attractive Hubbard model
A. Sewer, X. Zotos, H. Beck
We study the three-dimensional (3D) attractive Hubbard model by means of the Determinant Quantum Monte Carlo method. This model is a prototype for the description of the smooth cro…
cond-mat.supr-con2002★ 6 cited
Low temperature superfluid stiffness of d-wave superconductor in a magnetic field
S. G. Sharapov, V. P. Gusynin, H. Beck
The temperature and field dependence of the superfluid density in the vortex state of a d-wave superconductor are calculated using a microscopic model in the quasiclassical a…