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quant-ph2013★ 5 cited
Using Partial Transpose and Realignment to generate Local Unitary Invariants
Udaysinh T. Bhosale, K. V. Shuddhodan, Arul Lakshminarayan
Motivated by link transformations of lattice gauge theory, a method for generating local unitary invariants, especially for a system of qubits, has been pointed out in an earlier w…
quant-ph2009
Entanglement optimizing mixtures of two-qubit states
K. V. Shuddhodan, M. S. Ramkarthik, Arul Lakshminarayan
Entanglement in incoherent mixtures of pure states of two qubits is considered via the concurrence measure. A set of pure states is optimal if the concurrence for any mixture of th…