pre-bangianとは 意味・読み方・使い方

形容詞

pre-bangian (not comparable)

1. (rare) Pertaining to a hypothetical era before the Big Bang.
   • 1999, Gabriele Veneziano, “Pre-bangian origin of our entropy and time arrow”, in Physics Letters B, volume 454, →DOI, pages 22–26

   • 2009, Gabriele Veneziano, “Did Time Have a Beginning? A Meeting Point for Science and Philosophy”, in Ernesto Carafoli, Gian Antonio Danielli, Giuseppe O. Longo, editors, The Two Cultures: Shared Problems, →ISBN, page 10:

     There are several good examples of what we may call pre-bangian relics, relics from before the Big Bang: one is a stochastic background of gravitational waves, very much like the already mentioned electromagnetic background that fills up our Universe at a temperature of 2.7 degrees above absolute zero.

   • 2010 September 1, George Musser, “The Paradox of Time: Why It Can't Stop, But Must”, in Scientific American:

     Perhaps the prebangian universe started to undergo a big crunch and turned around when the density got too high—a big bounce.

   • 2011, Alison Morgan, The Word on the Wind: Renewing Confidence in the Gospel, →ISBN, page 248:

     What was nothing like, how could it explode, and what came before it (for physicists now suggest there may have been a ‘pre-bangian’ universe)?