Electron-Phonon Properties of Pnictide Superconductors (2009)
Boeri, L., Dolgov, O. V., Golubov, A. A.
In this paper we discuss the normal and superconducting state properties of two pnictide superconductors, LaOFeAs and LaONiAs, using Migdal-Eliashberg theory and density functional perturbation...
Energy Gaps and Kohn Anomalies in Elemental Superconductors (2008)
Aynajian, P., Keller, T., Boeri, L., Keimer, B.
The momentum and temperature dependence of the lifetimes of acoustic phonons in the elemental superconductors Pb and Nb was determined by resonant spin-echo spectroscopy with neutrons. In both...
The challenge of unravelling magnetic properties in LaFeAsO (2008)
Mazin, I. I., Johannes, M. D., Boeri, L., Koepernik, K., Singh, D. J.
First principles calculations of magnetic and, to a lesser extent, electronic properties of the novel LaFeAsO-based superconductors show substantial apparent controversy, as opposed to most weakly or...
Is LaO$_{1-x}$F$_x$FeAs an electron-phonon superconductor ? (2008)
Boeri, L., Dolgov, O. V., Golubov, A. A.
In this paper we calculate the electron-phonon coupling of the newly-discovered superconductor LaO$_{1-x}$F$_x$FeAs from first-principles, using Density Functional Perturbation Theory. For pure...
Is LaFeAsO1-xFx an Electron-Phonon Superconductor? (2008)
Boeri, L., Dolgov, O.V., Golubov, A.A.
In this Letter, we calculate the electron-phonon coupling of the newly discovered superconductor LaFeAsO1xFx using linear response. For pure LaFeAsO, the calculated electron-phonon coupling constant...
Pressure effects on the superconducting transition in nH-CaAlSi (2007)
Boeri, L., Kim, J. S., Giantomassi, M., Razavi, F. S., Kuroiwa, S., Akimitsu, J., ...
We present a combined experimental and theoretical study of the effects of pressure on T_c of the hexagonal layered superconductors nH-CaAlSi (n = 1, 5, 6), where nH labels the different stacking...
Superconductivity in Heavy Alkaline-Earths Intercalated Graphites (2007)
Kim, J. S., Boeri, L., O'Brien, J. R., Razavi, F. S., Kremer, R. K.
We report the discovery of superconductivity below 1.65(6) K in Sr-intercalated graphite SrC6, by susceptibility and specific heat (Cp) measurements. In comparison with CaC6, we found that the...
Kunstmann, J., Boeri, L., Pickett, W. E.
We present the first realization of the generalized pseudoatom concept introduced by Ball, and adopt the name enatom to minimize confusion. This enatom, which consists of a unique decomposition of...
Keller, T., Aynajian, P., Habicht, K., Boeri, L., Bose, S. K., Keimer, B.
Neutron resonance spin-echo spectroscopy was used to monitor the temperature evolution of the linewidths of transverse acoustic phonons in lead across the superconducting transition temperature,...
Unresolved problems in superconductivity of CaC6 (2006)
Mazin, I. I., Boeri, L., Dolgov, O. V., Golubov, A. A., Bachelet, G. B., Giantomassi, M., ...
We discuss the current status of the theory of the "high-temperature" superconductivity in intercalated graphites YbC6 and CaC6. We emphasize that while the general picture of conventional,...
Specific Heat of the Ca-Intercalated Graphite Superconductor CaC$_6$ (2006)
Kim, J. S., Kremer, R. K., Boeri, L., Razavi, F. S.
The superconducting state of Ca-intercalated graphite CaC6 has been investigated by specific heat measurements. The characteristic anomaly at the superconducting transition (Tc = 11.4 K) indicates...
Effect of Pressure on Superconducting Ca-intercalated Graphite CaC$_6$ (2006)
Kim, J. S., Boeri, L., Kremer, R. K., Razavi, F. S.
The pressure effect on the superconducting transition temperature ($T_c$) of the newly-discovered Ca-intercalated graphite compound CaC$_6$ has been investigated up to $\sim$ 16 kbar. $T_c$ is found...
Electron-phonon superconductivity in hole-doped diamond: A first-principles study (2006)
Boeri, L., Kortus, J., Andersen, O. K.
In this work we propose that the observed superconductivity in hole-doped diamond is due to an electron-phonon mechanism and substantiate the idea by first-principles full potential LMTO...
Normal and superconducting state properties of B-doped diamond from first-principles (2006)
Boeri, L., Kortus, J., Andersen, O. K.
In this paper we give a theoretical description of the superconducting and normal-state properties of hole-doped diamond based on ab initio calculations. Our aim is to provide a useful reference to...
Effect of pressure on superconducting Ca-intercalated graphite CaC6 (2006)
Kim, J. S., Boeri, L., Kremer, R. K., Razavi, F. S.
The effect of pressure on the superconducting transition temperature (T-c) of the Ca-intercalated graphite compound CaC6 has been investigated up to similar to 16 kbar. T-c is found to increase under...
Small Fermi energy, zero point fluctuations and nonadiabaticity in MgB$_2$ (2004)
Boeri, L., Cappelluti, E., Pietronero, L.
Small Fermi energy effects are induced in MgB$_2$ by the low hole doping in the $\sigma$ bands which are characterized by a Fermi energy $E_{\rm F}^\sigma \sim 0.5$ eV. We show that, due to the...
Poor screening and nonadiabatic superconductivity in correlated systems (2003)
Boeri, L., Cappelluti, E., Grimaldi, C., Pietronero, L.
In this paper we investigate the role of the electronic correlation on the hole doping dependence of electron-phonon and superconducting properties of cuprates. We introduce a simple analytical...
Effect of Strong Correlation on the Electron-Phonon Interaction (2000)
Boeri, L., Cappelluti, E., Grimaldi, C., Pietronero, L.
High-$T_c$ superconductors are usually described as strongly correlated electronic systems. This feature deeply affects the one-particle and two-particle properties of the system. In particular, a...