On a formulation of qubits in quantum field theory

Calmet, Jacques and Calmet, Xavier (2012) On a formulation of qubits in quantum field theory. Physics Letters A, 376 (6-7). pp. 824-826. ISSN 0375-9601

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Qubits have been designed in the framework of quantum mechanics. Attempts to formulate the problem in the language of quantum field theory have been proposed already. In this short Letter we refine the meaning of qubits within the framework of quantum field theory. We show that the notion of gauge invariance naturally leads to a generalization of qubits to QFTbits which are then the fundamental carriers of information from the quantum field theoretical point of view. The goal of this Letter is to stress the availability of such a generalized concept of QFTbits.

Item Type: Article
Schools and Departments: School of Mathematical and Physical Sciences > Physics and Astronomy
Subjects: Q Science > QC Physics
Depositing User: Xavier Calmet
Date Deposited: 07 Nov 2012 10:24
Last Modified: 11 Dec 2012 16:38
URI: http://srodev.sussex.ac.uk/id/eprint/41176
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