Abstracts

Quantum error correction of reference frame information

Presenting Author: Sepehr Nezami, Stanford
Contributing Author(s): Patrick Hayden and Grant Salton

The existence of quantum error correcting codes is one of the most counterintuitive and potentially technologically important discoveries of quantum information theory. But standard error correction refers to abstract quantum information, i.e. information that is independent from the physical incarnation of the systems used for storing the information. There are, however, other forms of information that are physical, one of the most ubiquitous being reference frame information. Here we analyze the problem of error correcting physical information. The basic question we seek to answer is whether such error correction is possible, and, if yes, the limitations to which it is subjected. The issue is highly nontrivial given the fact that the systems that need to be used for transmitting physical information must contain the physical quantity we are interested in, so all actions applying to them, including the encoding/decoding necessary for error correction, are subjected to limiting constraints.

Read this article online: https://www.dropbox.com/s/xfo6vh8tmo3xao4/main.pdf?dl=0

(Session 9a : Friday from 5:45pm - 6:15pm)

 

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