Publications of Walter Ekardt

Schöne, W.-D.; Su, D. S.; Ekardt, W.: Theoretical and experimental study of the dynamical electronic response of Ag. Physical Review B 68, pp. 115102-1 - 115102-10 (2003)

Bacelar, M. R.; Schöne, W.-D.; Keyling, R.; Ekardt, W.: Lifetime of excited electrons in transition metals. Physical Review B 66 (15), pp. 153101-1 - 153101-4 (2002)

Schöne, W.-D.; Ekardt, W.: Dynamical properties of the hexagonal close-packed metals Sc, Y, and Ru. Journal of Physics: Condensed Matter 14 (18), pp. 4669 - 4677 (2002)

Keyling, R.; Schöne, W.-D.; Ekardt, W.: Lifetime of surface states in optically excited Al, Cu, and Ag. Chemical Physics Letters 354 (5-6), pp. 376 - 381 (2002)

Schöne, W.-D.; Ekardt, W.: Transient excitonic states in noble metals and Al. Physical Review B 65 (11), pp. 113112-1 - 113112-3 (2002)

Ekardt, W.; Schöne, W.-D.; Keyling, R.: The determination of the lifetime of hot electrons in metals by time-resolved two-photon photoemission: the role of transport effects, virtual states, and transient excitons. Applied Physics A 71 (5), pp. 529 - 535 (2000)

Schöne, W.-D.; Keyling, R.; Bandic, M.; Ekardt, W.: Calculated lifetimes of hot electrons in aluminum and copper using a plane-wave basis set. Physical Review B 60 (12), pp. 8616 - 8623 (1999)

Ipatov, A.N.; Ivanov, V.K.; Pachec, J. M.; Ekardt, W.: Effects of geometry in elastic scattering and capture of free electrons by C₆₀ molecules. Journal of Physics B 31 (11), pp. L511 - L517 (1998)

Ipatov, A.N.; Ivanov, V.K.; Agap'ev, B.D.; Ekardt, W.: Exchange and polarization effects in elastic electron scattering by metallic clusters. Journal of Physics B 31 (4), pp. 925 - 934 (1998)

Ekardt, W.: The super-atom model: link between the metal atom and the infinite metal. Zeitschrift für Physik B 103 (2), pp. 305 - 312 (1996)

Pacheco, J.M.; Ekardt, W.: Plasmons and excitons in many-electron systems and the optical response of atomic clusters. Zeitschrift für Physik B 103 (2), pp. 327 - 329 (1996)

Pacheco, J. M.; Ekardt, W.; Schöne, W.-D.: Role of self-interaction effects in the geometry optimization of small metal clusters. Europhys. Lett. 34, pp. 13 - 18 (1996)

Pacheco, J. M.; Ekardt, W.; Schöne, W.-D.: Reintroducing the ionic structure in the jellium model for metal clusters: Pseudopotential perturbation theory. Surface Review and Letters 3 (1), pp. 313 - 316 (1996)

Schöne, W.-D.; Ekardt, W.; Pacheco, J. M.: Anisotropic effects in the optical spectra of magic metal clusters: the role of ionic structure. Zeitschrift für Physik D 36, pp. 65 - 67 (1996)

Ekardt, W.; Pacheco, J. M.: Effective particle-hole interaction and the optical response of simple-metal clusters. Physical Review B 52, p. 16864 (1995)

Ekardt, W.; Pacheco, J. M.; Penzar, Z.: Size-dependent plasmons in metal clusters. Comments on Atomic and Molecular Physics 31, pp. 291 - 303 (1995)

Schöne, W.-D.; Ekardt, W.; Pacheco, J. M.: Reintroduction of ionic structure in the self-consistent jellium model for metal clusters: Pseudopotential perturbation theory. Physical Review B 50 (15), pp. 11079 - 11087 (1994)

Pacheco, J. M.; Ekardt, W.: The van der Waals interaction between alkali microclusters. Modern Physics Letters B 7 (9), pp. 573 - 590 (1993)

Pacheco, J. M.; Ekardt, W.: Photoabsorption cross section of negatively charged alkali-metal clusters. Physical Review B 47 (11), pp. 6667 - 6671 (1993)

Wassermann, B.; Ekardt, W.: The elastic scattering on jellium clusters. Zeitschrift für Physik D 19 (4), pp. 97 - 99 (1991)