Reconsidering relativistic causality

I discuss the idea of relativistic causality, i.e., the requirement that causal processes or signals can propagate only within the light-cone. After briefly locating this requirement in the philosophy of causation, my main aim is to draw philosophers' attention to the fact that it is subtle, indeed problematic, in relativistic quantum physics: there are scenarios in which it seems to fail. I set aside two such scenarios, which are familiar to philosophers of physics: the pilot-wave approach, and the Newton-Wigner representation. I instead stress two unfamiliar scenarios: the Drummond-Hathrell and Scharnhorst effects. These effects also illustrate a general moral in the philosophy of geometry: that the mathematical structures, especially the metric tensor, that represent geometry get their geometric significance by dint of detailed physical arguments.
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DOI 10.1080/02698590701589585
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John Earman & Giovanni Valente (2014). Relativistic Causality in Algebraic Quantum Field Theory. International Studies in the Philosophy of Science 28 (1):1-48.
Jeremy Butterfield (2007). Stochastic Einstein Locality Revisited. British Journal for the Philosophy of Science 58 (4):805 - 867.
James Owen Weatherall (2014). Against Dogma: On Superluminal Propagation in Classical Electromagnetism. Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 48:109-123.
Giovanni Valente (2014). Does the Reeh–Schlieder Theorem Violate Relativistic Causality? Studies in History and Philosophy of Science Part B: Studies in History and Philosophy of Modern Physics 48:147-155.

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