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Quantum information is the study of the informational content of quantum states. The most common object of study is the "qubit", the information in a two-state quantum system such as spin-1/2 or photon polarization.

-1 votes
1 answer
67 views

what is a topical qubit and how do they correct each other? [closed]

In an article I read " What sets company X apart are topical qubits that correct each other." Google did not return results for "topical qubit". Can someone explain the topical qubit - assuming tha …
Goofy Gert's user avatar
3 votes
1 answer
766 views

quantum superdense coding -How many qubits are needed?

This is an extract from Wikipedia about superdense coding: "In quantum information theory, superdense coding is a quantum communication protocol to transmit two classical bits of information (i.e., e …
Goofy Gert's user avatar