# Revealing Genuine Steering under Sequential Measurement Scenario

**Authors:** Amit Mukherjee, Arup Roy, Some Sankar Bhattacharya, Biswajit Paul,, Kaushiki Mukherjee, and Debasis Sarkar

arXiv: 1701.04517 · 2017-01-18

## TL;DR

This paper introduces a new protocol to detect genuine quantum steering in multipartite systems under restricted operations, along with a measure to quantify the steering enhancement achieved.

## Contribution

It presents a novel protocol for revealing genuine steering in multipartite quantum systems and introduces a measure to quantify steering enhancement.

## Key findings

- Protocol effectively reveals genuine steering under restricted operations.
- Introduces a genuine steering measure indicating enhancement.
- Connects hidden nonlocality concepts to multipartite steering detection.

## Abstract

Genuine steering is still not well understood enough in contrast to genuine entanglement and nonlocality. Here we provide a protocol which can reveal genuine steering under some restricted operations compared to the existing witnesses of genuine multipartite steering. Our method has an impression of some sort of hidden protocol in the same spirit of hidden nonlocality, which is well understood in bipartite scenario. We also introduce a genuine steering measure which indicates the enhancement of genuine steering in the final state of our protocol compared to the initial states.

## Full text

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## Figures

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## References

28 references — full list in the complete paper: https://tomesphere.com/paper/1701.04517/full.md

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Source: https://tomesphere.com/paper/1701.04517