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American Physical Society, Physical Review A, 1(71)

DOI: 10.1103/physreva.71.012302

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Relativistically invariant quantum information

Journal article published in 2004 by Stephen D. Bartlett ORCID, Daniel R. Terno
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We show that quantum information can be encoded into entangled states of multiple indistinguishable particles in such a way that any inertial observer can prepare, manipulate, or measure the encoded state independent of their Lorentz reference frame. Such relativistically invariant quantum information is free of the difficulties associated with encoding into spin or other degrees of freedom in a relativistic context. ; Comment: 5 pages, published version