PSA2016: The 25th Biennial Meeting of the Philosophy of Science Association

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Retrocausation in Quantum Mechanics

Are there features of quantum mechanics that lend support to retrocausality? Through an ingenious thought experiment, in which he applies a broadly interventionist conception of causation to a simple polarizing beam splitter and its time reverse, Huw Price has argued that the answer is 'yes'. In this paper we will use Price's thought experiment as case study to investigate how interventionist strategies of causal discovery can be applied in the context of time-symmetric physical theories. More narrowly our aim is to reconstruct Price's argument for retrocausality in quantum mechanics and argue that the argument's conclusion can be resisted.

Author Information:

Mathias Frisch    
Leibniz University Hannover

Michael Dascal    
University of Maryland


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