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- Tartu ObservatoryEE58 papers
- University of TartuEE50 papers
- International Center for Relativistic AstrophysicsIT28 papers
- Leibniz Institute for Astrophysics PotsdamDE15 papers
- University of TurkuFI15 papers
- National Institute of Chemical Physics and BiophysicsEE14 papers
- Centre National de la Recherche ScientifiqueFR11 papers
- Instituto de Astrofísica de CanariasES7 papers
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4 papers · 1 filter
Reactive energy in non-diffracting localized waves
Peeter Saari, Ioannis Besieris
It is well known that although the group velocity of structured light pulses propagating in vacuum can be subluminal or superluminal, the upper limit of the energy flow velocity is…
The biasing phenomenon
J. Einasto, L. J. Liivamägi, I. Suhhonenko +1
{We study biasing as a physical phenomenon by analysing geometrical and clustering properties of density fields of matter and galaxies.} {Our goal is to determine the bias function…
Reexamination of energy flow velocities of non-diffracting localized waves
Peeter Saari, Ott Rebane, Ioannis Besieris
A universal relation has been established between the local energy transport velocity along the direction of propagation and the group velocity of scalar and vector-valued propagat…
Evolution of superclusters in the cosmic web
J. Einasto, I. Suhhonenko, L. J. Liivamägi +1
Aims. We investigate how properties of the ensemble of superclusters in the cosmic web evolve with time. Methods. We perform numerical simulations of the evolution of the cosmic we…