There is also some debate over whether eternal de Sitter space would even exhibit the right kind of fluctuations to support Boltzmann Brains at all. See Boddy, Carroll & Pollack (2014) for a standard argument.
There is also some debate over whether eternal de Sitter space would even exhibit the right kind of fluctuations to support Boltzmann Brains at all. See Boddy, Carroll & Pollack (2014) for a standard argument.