On the physical basis of cosmic time

  title={On the physical basis of cosmic time},
  author={Svend Erik Rugh and Henrik Zinkernagel},
In this manuscript we initiate a systematic examination of the physical basis for the time concept in cosmology. We discuss and defend the idea that the physical basis of the time concept is necessarily related to physical processes which could conceivably take place among the material constituents available in the universe. As a consequence we motivate the idea that one cannot, in a well-defined manner, speak about time ‘before’ such physical processes were possible, and in particular, the… CONTINUE READING


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