Rethinking Causality in Quantum Mechanics

  • Christina Giarmatzi

Part of the Springer Theses book series (Springer Theses)

Table of contents

  1. Front Matter
    Pages i-xv
  2. Christina Giarmatzi
    Pages 1-6
  3. Christina Giarmatzi
    Pages 7-64
  4. Christina Giarmatzi
    Pages 91-107
  5. Christina Giarmatzi
    Pages 125-150
  6. Christina Giarmatzi
    Pages 151-153
  7. Back Matter
    Pages 155-157

About this book


Causality is central to understanding the mechanisms of nature: some event "A" is the cause of another event “B”. Surprisingly, causality does not follow this simple rule in quantum physics: due to to quantum superposition we might be led to believe that "A causes B” and that "B causes A”. This idea is not only important to the foundations of physics but also leads to practical advantages: a quantum circuit with such indefinite causality performs computationally better than one with definite causality. This thesis provides one of the first comprehensive introductions to quantum causality, and presents a number of advances.It provides an extension and generalization of a framework that enables us to study causality within quantum mechanics, thereby setting the stage for the rest of the work. This comprises: mathematical tools to define causality in terms of probabilities; computational tools to prove indefinite causality in an experiment; means to experimentally test particular causal structures; and finally an algorithm that detects the exact causal structure in an quantum experiment.


Quantum Causality Causality Causal Order Indefinite Causal Order Causal Nonseparability Quantum Switch Noncausal Processes Quantum Causal Discovery Quantum Causal Models

Authors and affiliations

  • Christina Giarmatzi
    • 1
  1. 1.School of Mathematics and PhysicsThe University of QueenslandBrisbaneAustralia

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