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We explicitly show a protocol in which an arbitrary two qubit a|00> + b|01> +c|10> + d|11> is faithfully and deterministically teleported from Alice to Bob.We construct the 16 orthogonal generalized Bell states which can be used toteleport the two qubits. The local operations Bob must perform on his qubits inorder to recover the teleported state is also constructed. They are restrictedonly to single qubit gates. This means that a CNOT gate is not necessary tocomplete the protocol. A generalization where N qubits is teleported is alsoshown. We define a generalized magic basis, which possesses interestingproperties. These properties help us to suggest a generalized concurrence fromwhich we construct a new measure of entanglement that has a clear physicalinterpretation: A multipartite state has maximum entanglement if it is agenuine quantum teleportation channel.Comment: 4 pages, RevTex, no figures, published versio

Quantum teleportation of an arbitrary two-qubit state and its relation to multipartite entanglement