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Uhrengang und Energiesatz in der Kosmologie
Author(s) -
Treder HansJürgen
Publication year - 1970
Publication title -
annalen der physik
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.009
H-Index - 68
eISSN - 1521-3889
pISSN - 0003-3804
DOI - 10.1002/andp.19704790309
Subject(s) - physics , conformal map , conservation law , killing vector field , mathematical physics , theoretical physics , state (computer science) , classical mechanics , quantum mechanics , computer science , mathematics , mathematical analysis , algorithm
No time‐like KILLING‐vector but only a conformal time‐like KILLING‐vector is existing in cosmological space‐time. Therefore, the validity of a law of conservation of energy is depending on the equations of state and on the choice of clocks.