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quant-ph2025
Nonlocal characteristics and argand diagram of two-qubit gates
M. Karthick Selvan, S. Balakrishnan
Nonlocal characteristics of a two-qubit gate are determined by its nonlocal part. The squared eigenvalues of the nonlocal part of a two-qubit gate exist on the unit circle in the c…
quant-ph2022★ 2 cited
Affinity-based geometric discord and quantum speed limits of its creation and decay
R. Muthuganesan, S. Balakrishnan
In this article, we define a faithful quantifiers of bipartite quantum correlation, namely geometric version of quantum discord using affinity based metric. It is shown that the ne…