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Fabio Costa [3]Fábio Antônio Costa [1]
  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 (...)
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  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 (...)
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  3.  11
    Heisenberg Contra Lenard E Stark: O Que Há de Importante Na Física Ariana?Fábio Antônio Costa & Antonio Augusto Passos Videira - 2007 - Revista Portuguesa de Filosofia 63 (1/3):309 - 350.
    O objectivo primário do presente artigo é estudar algumas das implicações, sobretudo epistemológicas, associadas com o auto-intitulado movimento da Física Ariana (Deutsche Physikj, movimento esse que aqui se considera como tendo sido iniciado pelos físicos, laureados com o Prémio Nobel, Philipp Lenard e Johannes Stark. Assim, em primeiro lugar, procura-se analisar questões como a da ligação entre ciência e raça, a da função do método experimental e do método dedutivo nas descobertas das ciências naturais, bem como a da relação entre (...)
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  4.  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 (...)
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