A security study of two non-tomographic quantum communication protocols
The aim of this thesis is to study the security of two particular quantum communication protocols. We want to investigate what is the maximum amount of channel noise for which the protocols can still be secure. We do this by using well known bounds for limiting the information that an eavesdropper can obtain. The first protocol that we study is a direct communication protocol using two-qubit states. We find the security threshold by analyzing the protocol in an enanglement based setting. The...[Show more]
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