• E. Cappelluti, C. Grimaldi, L. Pietronero, S. Str�ssler and G.A. Ummarino,
  “Superconductivity of Rb₃C₆₀: breakdown of the Migdal-Eliashberg theory”,
  Eur. Phys. J. B 21, 383 (2001).

• E. Cappelluti, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Electron-phonon nonadiabatic effects in fullerene-based superconductors”,
  in Electrons and Photons in Solids, Volume in honour of Franco Bassani
  (Quaderni della Scuola Normale Superiore, Pisa 2001).

• E. Cappelluti,
  “Itinerant and localized states in strongly correlated systems by a modified mean-field slave-boson approach”,
  Int. Journ. Mod. Phys. B 15, 479 (2001).

• E. Cappelluti, C. Grimaldi and L. Pietronero,
  “Nonadiabatic Pauli susceptibility in fullerene compounds”,
  Phys. Rev. B 64, 125104 (2001).

• E. Cappelluti, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Nonadiabatic channels in fullerene compounds”,
  in Electronic Properties of Molecular Nanostructures,
  eds. H. Kuzmany, J. Fink, M. Mehring and S. Roth, (AIP Conf. Proceedings v. 591, New York 2001).

• E. Cappelluti and L. Delle Site,
  “Generalized Thomas-Fermi approach for systems under pressure”,
  Physica A 303, 481 (2002).

• P. Paci, E. Cappelluti, C. Grimaldi and L. Pietronero,
  “Nonadiabatic superconductivity and vertex corrections in uncorrelated systems”,
  Phys. Rev. B 65, 012512 (2002).

• C. Grimaldi, E. Cappelluti, L. Pietronero and S. Str�ssler,
  “Nonadiabatic superconductivity in fullerene-based materials”,
  Phys. Solid State 44, 454 (2002) [Fiz. Tver. Tela 44, 437 (2002)].

• E. Cappelluti, S, Ciuchi, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “High T_c superconductivity in MgB₂ by nonadiabatic pairing”,
  Phys. Rev. Lett. 88, 117003 (2002).

• L. Boeri, G.B. Bachelet, E. Cappelluti and L. Pietronero,
  “Small Fermi energy and phonon anharmonicity in MgB₂ and related compounds”,
  Phys. Rev. B 65, 214501 (2002).

• M. Botti, E. Cappelluti, C. Grimaldi and L. Pietronero,
  “Nonadiabatic theory of the superconducting state”,
  Phys. Rev. B 66, 054532 (2002).

• E. Cappelluti and S. Ciuchi,
  “Magnetic and lattice polaron in the Holstein-t–J model”,
  Phys. Rev. B 66, 165102 (2002).

• E. Cappelluti, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Narrow bands and electronic structure in unconventional high-T_c superconductors”,
  J. Electron Spectrosc. Relat. Phenom. 127, 117 (2002).

• E. Cappelluti, C. Grimaldi and L. Pietronero,
  “Spin susceptibility in small Fermi energy systems: effects of nonmagnetic impurities”,
  Eur. Phys. J. B 30, 511 (2002).

• L. Boeri, G.B. Bachelet, E. Cappellluti and L. Pietronero,
  “The origin of phonon anharmonicity in MgB₂ and related compounds”,
  Supercond. Sci. Technol. 16, 143 (2003).

• E. Cappelluti, C. Grimaldi, L. Pietronero, S. Str�ssler, L. Boeri and G.B. Bachelet,
  “Nonadiabatic effects and the role of small Fermi energy in MgB₂“,
  Int. J. Mod. Phys. B 17, 560 (2003).

• E. Cappelluti, L. Pietronero, C. Grimaldi and S. Str�ssler,
  “Nonadiabatic superconductivity in fullerenes, cuprates and MgB₂“,
  in Models and Methods of High-T_c Superconductivity: Some Frontal Aspects,
  eds. J.K. Srivastava and S.M. Rao (Nova Science Publishers, New York 2003).

• E. Cappelluti, S. Ciuchi, C. Grimaldi and L. Pietronero,
  “Band-filling effects on electron-phonon properties of normal and superconducting states”,
  Phys. Rev. B 68, 174509 (2003).

• E. Cappelluti and L. Pietronero,
  “Electron-phonon renormalization in small Fermi energy systems”,
  Phys. Rev. B 68, 224511 (2003).

• L. Boeri, E. Cappelluti, C. Grimaldi and L. Pietronero,
  “Poor screening and nonadiabatic superconductivity in correlated systems”,
  Phys. Rev. B 68, 214514 (2003).

• P. Paci, E. Cappelluti, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Nonadiabatic high-T_c superconductivity in hole-doped fullerenes”,
  Phys. Rev. B 69, 024507 (2004).

• E. Cappelluti, B. Cerruti and L. Pietronero,
  “Charge fluctuations and electron-phonon interaction in the finite-U Hubbard model”,
  Phys. Rev. B 69, 161101 (2004).

• P. Paci, E. Cappelluti, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Unconventional pairing in fullerides by nonadiabatic channels”,
  Physica C 408-410, 240 (2004).

• E. Cappelluti, G.B. Bachelet, L. Boeri, S. Ciuchi, C. Grimaldi, L. Pietronero and S. Str�ssler,
  “Small Fermi energy effects in MgB₂ and related compounds”,
  Physica C 408-410, 332 (2004).

• E. Cappelluti and L. Pietronero,
  “Nonadiabatic electron-phonon effects in low carrier density superconductors”,
  Physica Status Solidi B 242, 133 (2005).

• L. Boeri, E. Cappelluti and L. Pietronero,
  “Small Fermi energies, zero-point fluctuations and nonadiabaticity in MgB₂”
  Phys. Rev. B 71, 012501 (2005).

• P. Paci, M. Capone, E. Cappelluti, S. Ciuchi, C. Grimaldi and L. Pietronero,
  “Polaronic and nonadiabatic phase diagram from anomalous isotope effects”,
  Phys. Rev. Lett. 94, 036406 (2005).

• E. Cappelluti, B. Cerruti and L. Pietronero,
  “Charge fluctuations and electron-phonon interaction in the finite-U Hubbard model”,
  Physica B 359-361, 810 (2005).

• E. Cappelluti, P. Paci, C. Grimaldi and L. Pietronero,
  “Relevance of multiband Jahn-Teller effects on the electron-phonon interaction in A₃C₆₀“,
  Phys. Rev. B 72, 054521 (2005).

• F. Rizzo, E. Cappelluti and L. Pietronero,
  “Transport properties in correlated systems: an analytical model”,
  Phys. Rev. B 72, 155113 (2005).