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quant-ph2018★ 5 cited
Comparing Geometric Discord and Negativity for Bipartite States
Priyabrata Bag, Santanu Dey, Hiroyuki Osaka
The geometric discord of a state is a measure of the quantumness of the state and the negativity is a measure of the entanglement of a state. It was pro…
quant-ph2018
A Subspace of Maximal Dimension with Bounded Schmidt Rank
Priyabrata Bag, Santanu Dey
We study Schmidt rank for a vector (i.e., a pure state) and Schmidt number for a mixed state which are entanglement measures. We show that if a subspace of a certain bipartite syst…
quant-ph2017
-Frobenius Negacyclic Codes
Priyabrata Bag, Santanu Dey
Let denote the finite field of order , where is an odd prime. We study certain quantum negacyclic codes over which we call -Frobenius negacy…