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Randomness of exact unitary designs under symmetry
Christopher Vairogs, Felix Leditzky
We define the unitary design strength of a finite unitary ensemble to be the maximal integer for which its -th statistical moment is identical to that of the unitary group.…
Localizing entanglement in high-dimensional states
Christopher Vairogs, Akanksha Chablani, Leo Lee +3
In this work, we study the asymptotic behavior of protocols that localize entanglement in large multi-qubit states onto a subset of qubits by measuring the remaining qubits. We use…
Localizing multipartite entanglement with local and global measurements
Christopher Vairogs, Samihr Hermes, Felix Leditzky
We study the task of localizing multipartite entanglement in pure quantum states onto a subsystem by measuring the remaining systems. To this end, we fix a multipartite entanglemen…