Kelvin McQueen

[Kelvin McQueen]

This is an interesting solution. A version of it is discussed in section 4.4. of “Four Tails Problems for Dynamical Collapse Theories”. There it is discussed in the context of the matter-density interpretation of GRW (sometimes called “GRWm”). The “denser” brains are the ones with the experiences of measurement outcomes. Since high density is determined by high amplitude, it’s pretty much the same solution, it’s just expressed in GRWm (whereas you’re expressing it in GRW0). The problem raised for this solution, in 4.4., is that it leaves behind “zombie tails”. It’s quite a similar problem to the so-called “mindless hulk problem”, that is faced by one of David Albert’s Many Minds theories. See p130 of Albert’s QM and Experience.

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