Quantum communication, reference frames and gauge theory

Details Quantum communication, reference frames and gauge theory Quantum communication, reference frames and gauge theory

2006-02-08

arxiv.org/abs/quant-ph/0602079v2

Phys.Rev. A73 (2006) 042306

Physics

Quantum Physics

pretty pointless, published nonetheless

Scientific paper

10.1103/PhysRevA.73.042306

We consider quantum communication in the case that the communicating parties not only do not share a reference frame but use imperfect quantum communication channels, in that each channel applies some fixed but unknown unitary rotation to each qubit. We discuss similarities and differences between reference frames within that quantum communication model and gauge fields in gauge theory. We generalize the concept of refbits and analyze various quantum communication protocols within the communication model.

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