When Worlds Collide

From: Robin Hanson (rhanson@gmu.edu)
Date: Wed Aug 15 2001 - 14:14:35 MDT

Here is a short somewhat speculative paper of mine on the many worlds

http://xxx.lanl.gov/abs/quant-ph/0108070 or
http://hanson.gmu.edu/worldhit.pdf or .ps

     When Worlds Collide: Quantum Probability From Observer Selection?
                         by Robin Hanson

Deviations from exact decoherence make little difference for large-amplitude
quantum states, but can make a big difference for small-amplitude states.
This may provide a rationale for ignoring small-amplitude states when
deriving the Born measurement probabilities from the many worlds
interpretation. Interactions between large and small worlds may erase the
memory of observers in small amplitude worlds.

Robin Hanson rhanson@gmu.edu http://hanson.gmu.edu
Asst. Prof. Economics, George Mason University
MSN 1D3, Carow Hall, Fairfax VA 22030-4444
703-993-2326 FAX: 703-993-2323

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