papers
Publications (9)
cond-mat.str-el2016
Raman phonon spectrum of the Dzyaloshinskii-Moriya helimagnet Ba2CuGe2O7
F. Capitani, S. Koval, R. Fittipaldi +9
cond-mat.mtrl-sci2002
Ferroelectricity and isotope effects in hydrogen-bonded KDP crystals
S. Koval, J. Kohanoff, R. L. Migoni +1
cond-mat1995
Pair breaking by impurities in the two-dimensional t-J model
J. Riera, S. Koval, D. Poilblanc +1
cond-mat.soft1997
On the stability of 2 \sqrt{2} x 2 \sqrt{2} oxygen ordered superstructures in YBa2Cu3O6+x
A. A. Aligia, S. Koval, R. Migoni
cond-mat1999
LAPW frozen-phonon calculation, shell model lattice dynamics and specific-heat measurement of SnO
S. Koval, R. Burriel, M. G. Stachiotti +5
cond-mat1995
Exact diagonalization study of the two-dimensional t-J-Holstein model
A. Dobry, A. Greco, S. Koval +1
cond-mat.mtrl-sci2014
Infrared phonon spectrum of the tetragonal helimagnet Ba$_2$CuGe$_2$O$_7$
A. Nucara, W. S. Mohamed, L. Baldassarre +6
cond-mat.mtrl-sci2004
First-principles study of ferroelectricity and isotope effects in H-bonded KDP crystals
S. Koval, J. Kohanoff, J. A. Lasave +2
cond-mat.mtrl-sci2000
Interplay between proton ordering and ferroelectric polarization in H-bonded KDP-type crystals
S. Koval, J. Kohanoff, R. L. Migoni +1