Giovanni Onida

Phone number: +39 02 50317407 Fax number: +39 02 50317482 E-mail address: giovanni.onida (chiocciola) unimi.it Personal web-site:

Scientific interests

• Vibrational properties of surfaces and clusters;
• First-principles calculations of ground and excited state electronic properties, with applications to optical properties of solids, surfaces and clusters;
• Excitonic effects through the solution of the Bethe-Salpeter equation, using first-principles methods;
• Excitonic effects using Time-Dependent Density Functional Theory

Curriculum vitae

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Selected publications

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• Optical properties of real surfaces: Local-field effects at oxidized Si(100)(2×2) computed with an efficient numerical scheme
  GIOVANNI ONIDA, L. Caramella, G. Onida, F. Finocchi, L. Reining, and F. Sottile
  PHYSICAL REVIEW. B vol. 75, pp. 205405 (2007)
• Ab initio calculations of the optical properties of the Si(113) 3×2 adatom-dimer-interstitial surface
  GIOVANNI ONIDA AND KATALIN GAAL-NAGY
  PHYSICAL REVIEW. B vol. 75, pp. 155331 (2007)
• Stude of Reflectance Anisotropy Spectra of a Submonolayer Oxidized Si(100) Surface
  GIOVANNI ONIDA, ANDREI INCZE, RODOLFO DEL SOLE
  PHYSICAL REVIEW. B vol. 71, pp. 035350 (2005)
• Effects of local fields in time-dependent density functional theory shown in oxidized silicon clusters
  GIOVANNI ONIDA, MATTEO GATTI
  PHYSICAL REVIEW. B vol. 72, pp. 045442 (2005)
• Long-range contribution to the exchange-correlation kernel of time-dependent density functional theory
  S. BOTTI, F. SOTTILE, N. VAST, V.OLEVANO, L.REINING, A.RUBIO, H.C. WEISSKER, GIOVANNI ONIDA, R. DEL SOLE, R.W.GODBY
  PHYSICAL REVIEW B vol. 69, pp. 155112-1-155112-14 (2004)
• Quasiparticle Electronic Structure of Copper in the GW Approximation
  ANDREA MARINI, GIOVANNI ONIDA, RODOLFO DEL SOLE
  PHYSICAL REVIEW LETTERS vol. 88, pp. 016403 (2002)
• Electronic excitations: density-functional versus many-body Green's-function approaches
  GIOVANNI ONIDA, LUCIA REINING, ANGEL RUBIO
  REVIEWS OF MODERN PHYSICS. vol. 74, pp. 601-659 (2002)
• Excitonic Effects in Solids Described by Time-Dependent Density-Functional Theory
  LUCIA REINING, VALERIO OLEVANO, ANGEL RUBIO, GIOVANNI ONIDA
  PHYSICAL REVIEW LETTERS vol. 88, pp. 066404 (2002)
• Structural and Optical Properties of the Ge(111)-(2 x 1) Surface
  MICHAEL ROHLFING, MAURIZIA PALUMMO, GIOVANNI ONIDA, RODOLFO DEL SOLE
  PHYSICAL REVIEW LETTERS. vol. 85, pp. 5440 (2000)
• Reply to 'Comment on Ab-Initio Calculation of Excitonic Effects in the Optical Spectra of Semiconductors
  S. ALBRECHT, L. REINING, GIOVANNI ONIDA, V. OLEVANO, AND R. DEL SOLE
  PHYSICAL REVIEW LETTERS. vol. 83, pp. 3971 (1999)
• Ab-Initio Calculation of Self-Energy Effects on Optical Properties of GaAs(110)
  O.PULCI, GIOVANNI ONIDA, R. DEL SOLE, L. REINING
  PHYSICAL REVIEW LETTERS. vol. 81, pp. 5374-5377 (1998)
• Reply to 'Comment on Ab-Initio Calculation of Excitonic Effects in the Optical Spectra of Semiconductors
  Stefan Albrecht, Lucia Reining, Rodolfo Del Sole, and Giovanni Onida
  PHYSICAL REVIEW LETTERS. vol. 80, pp. 4510 (1998)
• First Principles Study of a New Large-Gap Nanoporous Silicon Crystal: Hex-Si40
  E. Galvani, G. Onida, S. Serra, and G. Benedek
  PHYSICAL REVIEW LETTERS. vol. 77, pp. 3573 (1996)
• Ab initio calculations of the quasiparticle and absorption spectra of clusters: The sodium tetramer
  Giovanni Onida, Lucia Reining, R. W. Godby, R. Del Sole, and Wanda Andreoni
  PHYSICAL REVIEW LETTERS. vol. 75, pp. 818 (1995)