6 found
Order:
See also
Sally Shrapnel
University of Queensland
  1.  12
    Updating the Born Rule.Sally Shrapnel, Fabio Costa & Gerard Milburn - 2018 - New Journal of Physics 20: 053010.
    Despite the tremendous empirical success of quantum theory there is still widespread disagreement about what it can tell us about the nature of the world. A central question is whether the theory is about our knowledge of reality, or a direct statement about reality itself. Current interpretations of quantum theory, regardless of their stance on this question, regard the Born rule as fundamental and add an independent state update (or ‘collapse’) rule to describe how quantum states change upon measurement. In (...)
    Direct download  
     
    Export citation  
     
    Bookmark   1 citation  
  2.  20
    Quantum Causal Modelling.Fabio Costa & Sally Shrapnel - 2016 - New Journal of Physics 18 (6):063032.
    Causal modelling provides a powerful set of tools for identifying causal structure from observed correlations. It is well known that such techniques fail for quantum systems, unless one introduces 'spooky' hidden mechanisms. Whether one can produce a genuinely quantum framework in order to discover causal structure remains an open question. Here we introduce a new framework for quantum causal modelling that allows for the discovery of causal structure. We define quantum analogues for core features of classical causal modelling techniques, including (...)
    Direct download  
     
    Export citation  
     
    Bookmark   2 citations  
  3.  27
    Discovering Quantum Causal Models.Sally Shrapnel - 2019 - British Journal for the Philosophy of Science 70 (1):1-25.
    Costa and Shrapnel have recently proposed an interventionist theory of quantum causation. The formalism generalizes the classical methods of Pearl and allows for the discovery of quantum causal structure via localized interventions. Classical causal structure is presented as a special case of this more general framework. I introduce the account and consider whether this formalism provides a causal explanation for the Bell correlations.
    Direct download (10 more)  
     
    Export citation  
     
    Bookmark  
  4.  49
    Quantum Causal Explanation: Or, Why Birds Fly South.Sally Shrapnel - 2014 - European Journal for Philosophy of Science 4 (3):409-423.
    It is widely held that it is difficult, if not impossible, to apply causal theory to the domain of quantum mechanics. However, there are several recent scientific explanations that appeal crucially to quantum processes, and which are most naturally construed as causal explanations. They come from two relatively new fields: quantum biology and quantum technology. We focus on two examples, the explanation for the optical interferometer LIGO and the explanation for the avian magneto-compass. We analyse the explanation for the avian (...)
    Direct download (2 more)  
     
    Export citation  
     
    Bookmark  
  5.  6
    The Two Sides of Interventionist Causation.Peter W. Evans & Sally Shrapnel - manuscript
    Pearl and Woodward are both well-known advocates of interventionist causation. What is less well-known is the interesting relationship between their respective accounts. In this paper we discuss the different perspectives of causation these two accounts present and show that they are two sides of the same coin. Pearl’s focus is on leveraging global network constraints to correctly identify local causal relations. The rules by which global causal structures are composed from distinct causal relations are precisely defined by the global constraints. (...)
    No categories
    Direct download (2 more)  
     
    Export citation  
     
    Bookmark  
  6.  6
    Causation Does Not Explain Contextuality.Sally Shrapnel & Fabio Costa - 2018 - Quantum 2:63.
    Realist interpretations of quantum mechanics presuppose the existence of elements of reality that are independent of the actions used to reveal them. Such a view is challenged by several no-go theorems that show quantum correlations cannot be explained by non-contextual ontological models, where physical properties are assumed to exist prior to and independently of the act of measurement. However, all such contextuality proofs assume a traditional notion of causal structure, where causal influence flows from past to future according to ordinary (...)
    Direct download  
     
    Export citation  
     
    Bookmark