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Superluminal Signalling

Weinstein, Steven (2002) Superluminal Signalling. [Preprint]

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    Special relativity is said to prohibit faster-than-light (superluminal) signalling, yet controversy regularly arises as to whether this or that physical phenomenon violates the prohibition. I argue that the controversy is a result of a lack of clarity as to what it means to `signal', and I propose a criterion. I show that although we have no reason to think that one can send signals faster than light, this is not prohibited by special relativity.

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    Item Type: Preprint
    Keywords: superluminal signalling signal relativity Lorentz-invariance causality causation
    Subjects: General Issues > Causation
    Specific Sciences > Physics > Quantum Mechanics
    Specific Sciences > Physics > Relativity Theory
    Depositing User: Steven Weinstein
    Date Deposited: 13 Oct 2002
    Last Modified: 07 Oct 2010 11:11
    Item ID: 832

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