• CannonFodder@lemmy.world
      link
      fedilink
      English
      arrow-up
      15
      ·
      5 个月前

      Just integrate phi squared over the sphere space, and with that set to .999, solve for r. Use something like Maple for the algebra if you’re a wimp.

    • Gust@piefed.social
      link
      fedilink
      English
      arrow-up
      4
      ·
      5 个月前

      Assuming the probability distribution falls off like a gaussian, I’d guess something like 3.5 to 4 times as large. I dont remember if that specific probability density function is gaussian or not, but assuming a distribution falls off like a gaussian is usually a safe bet