Relation between the psychological and thermodynamic arrows of time.

  title={Relation between the psychological and thermodynamic arrows of time.},
  author={Leonard D. Mlodinow and Todd A. Brun},
  journal={Physical review. E, Statistical, nonlinear, and soft matter physics},
  volume={89 5},
  • L. Mlodinow, T. Brun
  • Published 18 September 2013
  • Physics, Medicine, Mathematics
  • Physical review. E, Statistical, nonlinear, and soft matter physics
In this paper we lay out an argument that generically the psychological arrow of time should align with the thermodynamic arrow of time where that arrow is well defined. This argument applies to any physical system that can act as a memory, in the sense of preserving a record of the state of some other system. This result follows from two principles: the robustness of the thermodynamic arrow of time to small perturbations in the state, and the principle that a memory should not have to be fine… 
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