.. _references:
=====================
Selected publications
=====================
C. Friedrich, S. Blügel, and A. Schindlmayr,
"Efficient implementation of the `GW` approximation within the
all-electron FLAPW method", Phys. Rev. B 81, 125102 (2010).
C. Friedrich, A. Schindlmayr, and S. Blügel,
"Efficient calculation of the Coulomb matrix and its expansion
around k=0 within the FLAPW method", Comput. Phys. Commun. 180,
347 (2009).
C. Friedrich, M. C. Müller, and S. Blügel, "Band
convergence and linearization error correction of all-electron `GW`
calculations: The extreme case of zinc oxide", Phys. Rev. B 83,
081101 (2011); 84, 039906(E) (2011).
C. Friedrich, M. Betzinger, M. Schlipf, S. Blügel,
and A. Schindlmayr, "Hybrid functionals and `GW` approximation
in the FLAPW method", J. Phys.: Condens. Matter 24, 293201 (2012).
E. Sasioglu, C. Friedrich, and S. Blügel, "Effective
Coulomb interaction in transition metals from constrained random-phase
approximation", Phys. Rev. B 83, 121101(R) (2011).
T. O. Wehling, E. Sasioglu, C. Friedrich, A. I.
Lichtenstein, M. I. Katsnelson, and S. Blügel, "Strength of effective
Coulomb interactions in graphene and graphite", Phys. Rev. Lett.
106, 236805 (2011).
E. Sasioglu, C. Friedrich, and S. Blügel, "Strength
of the effective Coulomb interaction at metal and insulator surface",
Phys. Rev. Lett. 109, 146401 (2012).
M. Betzinger, C. Friedrich, and S. Blügel, "Hybrid
functionals within the all-electron FLAPW method: Implementation and
applications of PBE0", Phys. Rev. B 81, 195117 (2010).
M. Betzinger, C. Friedrich, S. Blügel, and A.
Görling, "Local exact exchange potentials within the all-electron
FLAPW method and a comparison with pseudopotential results", Phys.
Rev. B 83, 045105 (2011).
M. Schlipf, M. Betzinger, C. Friedrich, M. Lezaic,
and S. Blügel, "Implementation of a screened hybrid functional
within the FLAPW method and its application to GdN", Phys. Rev.
B 84, 125142 (2011).
I. Aguilera, C. Friedrich, and S. Blügel, "Electronic
phase transitions of bismuth under strain from relativistic self-consistent
`GW` calculations", Phys. Rev. B 91, 125129 (2015).
E. Sasioglu, A. Schindlmayr, C. Friedrich, F.
Freimuth, and S. Blügel, "Wannier-function approach to spin excitations
in solids", Phys. Rev. B 81, 054434 (2010).
C. Friedrich, E. Sasioglu, M. Müller, A. Schindlmayr,
and S. Blügel, "Spin excitations in solids from many-body perturbation
theory", Top. Curr. Chem. 347, 259-301 (2014).
C. Friedrich, M. C. T. D. Müller, and S. Blügel,
"Many-body spin excitations in ferromagnets from first principles"
in Handbook of Materials Modeling. Volume 1 Methods: Theory and Modeling,
edited by S. Yip and W. Andreoni (Springer Berlin Heidelberg, 2018).
M. C. T. D. Müller, C. Friedrich, and S. Blügel,
"Acoustic magnons in the long-wavelength limit: Investigating
the Goldstone violation in many-body perturbation theory", Phys.
Rev. B 94, 064433 (2016).
M. C. T. D. Müller, C. Friedrich, and S. Blügel, "Electron-magnon scattering
in elementary ferromagnets from first principles: lifetime broadening
and band anomalies", Physical Review B 100, 045130 (2019)
C. Friedrich,"Tetrahedron integration method
for strongly varying functions: Application to the `GT` self-energy",
Phys. Rev. B 100, 075142 (2019)
R. Sakuma, C. Friedrich, T. Miyake, S. Blügel,
and F. Aryasetiawan, "`GW` calculations with spin-orbit coupling:
application to Hg chalcogenides", Phys. Rev. B 84, 085144 (2011).
I. Aguilera, C. Friedrich, G. Bihlmayer, and
S. Blügel, "`GW` study of topological insulators Bi2Se3, Bi2Te3,
and Sb2Te3: beyond the perturbative one-shot approach", Phys. Rev.
B 88, 045206 (2013).
I. Aguilera, C. Friedrich, and S. Blügel, "Spin-orbit
coupling in quasiparticle studies of topological insulators", Phys.
Rev. B 88, 165136 (2013).
I. Nechaev, I. Aguilera, C. Friedrich, E. V. Chulkov,
and S. Blügel, "Many-Body Effects in the Electronic Structure
of Topological Insulators" in Topological Insulators: Fundamentals
and Perspectives, ed. Frank Ortmann, Stephan Roche, Sergio O. Valenzuela
ISBN: 978-3-527-33702-6 (Wiley 2015).
M. Betzinger, C. Friedrich, S. Blügel, and A.
Görling, "Precise response functions in all-electron methods:
Application to the optimized-effective-potential approach", Phys.
Rev. B 85, 245124 (2012).
M. Betzinger, C. Friedrich, and S. Blügel, "Precise
response functions in all-electron methods: Generalization to nonspherical
perturbations and application to NiO", Phys. Rev. B 88, 075130 (2013).
M. Betzinger, C. Friedrich, A. Görling, and
Stefan Blügel, "Precise all-electron dynamical response functions:
Application to COHSEX and the RPA correlation energy", Phys. Rev.
B 92, 245101 (2015).