154 research outputs found
Revealing Hidden Genuine Tripartite Nonlocality
Nonlocal correlations arising from measurements on tripartite entangled
states can be classified into two groups, one genuinely way nonlocal and
other local with respect to some bipartition. Still, whether a genuinely
tripartite entangled quantum state can exhibit genuine way nonlocality,
remains a challenging problem so far as measurement context is concerned. Here
we introduce a novel approach in this regard. We consider three tripartite
quantum states none of which is genuinely way nonlocal in a specific Bell
scenario (three parties, two measurements per party, two outcomes per
measurement), but they can exhibit genuine way nonlocality when the initial
states are subjected to stochastic local operations and classical communication
(SLOCC). So, genuine way nonlocality is a resource, which can be revealed
by using a sequence of measurements.Comment: 10 pages, 2 figures, revtex, comments welcom
Tamoxifen Citrate Encapsulated Sustained Release Liposomes: Preparation and Evaluation of Physicochemical Properties
The present study was designed for the development of a stable sustained release liposomal drug delivery system for tamoxifen citrate (TC) using soya phosphatidylcholine (SPC), cholesterol (CH) and span 20 as main ingredients. Liposomes were prepared by formation of thin lipid film followed by hydration. The mean vesicle diameter was found to be 203.5 ± 19.5 nm with 21% of the liposomal population having average diameter below 76.72 ± 6.7 nm. There was a good vesicular distribution with the polydispersity index of 0.442 ± 0.03. The maximum loading of drug was determined to be 53.60% of the initial amount that is 34.58 μg of drug per mg of lipid. Amongst the different storage conditions, liposomes stored at 2–8°C were found to be most stable and only 4% of the drug was lost over the storage period of 5 weeks. In vitro release studies of liposomes showed that 50% of drug was released within 3 hours (h) whereas 95% drug was released in 30 h. This indicates the usefulness of the liposomal delivery system for sustaining the in vitro release of tamoxifen citrate
Several Trade off Features of Quantum Steering in Distributed Scenario
In the present work, we address the question of how bipartite steering
violation takes place among multi-partite systems (where each sub-system have
Hilbert space dimension restricted to two) based on the maximal violations of
the bipartite steering inequality of the reduced pairwise qubit systems. We
have derived a trade-off relation which is satisfied by those pairwise
bipartite maximal steering violations, which physically can be understood as
providing restrictions on the distribution of steering among subsystems. For a
three-qubit system, it is impossible that all pairs of qubits violate the
steering inequality, and once a pair of qubits violates the steering inequality
maximally, the other two pairs of qubits must both obey the steering
inequality. We also present a complementarity relation between genuine
entanglement present in a tripartite state and maximum bipartite steering
violation by its reduced states.Comment: Close to published versio
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