# Experimental demonstration of quantum contextuality on an NMR qutrit

@article{Dogra2016ExperimentalDO, title={Experimental demonstration of quantum contextuality on an NMR qutrit}, author={Shruti Dogra and Kavita Dorai and Arvind}, journal={Physics Letters A}, year={2016}, volume={380}, pages={1941-1946} }

## 11 Citations

Experimental demonstration of fully contextual quantum correlations on an NMR quantum information processor

- PhysicsPhysical Review A
- 2019

The existence of contextuality in quantum mechanics is a fundamental departure from the classical description of the world. Currently, the quest to identify scenarios which cannot be more contextual…

Experimental demonstration of the violation of the temporal Peres-Mermin inequality using contextual temporal correlations and noninvasive measurements

- PhysicsPhysical Review A
- 2022

We present a generalized quantum scattering circuit which can be used to perform non-invasive quantum measurements, and implement it on NMR qubits. Such a measurement is a key requirement for testing…

Classical analog of quantum contextuality in spin-orbit laser modes

- PhysicsPhysical Review A
- 2018

We experimentally observed the violation of Kujula-Dzhafarov noncontextuality inequalities by non-separable spin-orbit laser modes. Qubits are encoded on polarization and transverse modes of an…

Experimental contextuality in classical light

- PhysicsScientific reports
- 2017

The Klyachko, Can, Binicioglu, and Shumovsky (KCBS) inequality is an important contextuality inequality in three-level system, which has been demonstrated experimentally by using quantum states and the clear violations of the KCBS inequality and its geometrical form have been observed.

Quantum Correlations in NMR Systems

- Physics
- 2017

In conventional NMR experiments, the Zeeman energy gaps of the nuclear spin ensembles are much lower than their thermal energies, and accordingly exhibit tiny polarizations. Generally such low-purity…

Hybrid quantum repeater for qudits

- PhysicsPhysical Review A
- 2019

We present a "hybrid quantum repeater" protocol for the long-distance distribution of atomic entangled states beyond qubits. In our scheme, imperfect noisy entangled pairs of two qudits, i.e., two…

The Negativity‐to‐Violation Map between Wigner Function and Quantum Contextuality Inequality for a Single Qudit

- PhysicsAnnalen der Physik
- 2019

The relation between discrete Wigner function and quantum contextuality based on graph theory has been studied, following the work in [Nature 510,351(2014)]. To do this, non‐stabilizer projectors…

Quantum contextuality as a topological property, and the ontology of potentiality

- Philosophy
- 2020

Quantum contextuality and its ontological meaning are very controversial issues, and they relate to other problems concerning the foundations of quantum theory. I address this controversy and stress…

Experimental simulation of a monogamy relation between quantum contextuality and nonlocality on an NMR quantum processor

- PhysicsJournal of Magnetic Resonance Open
- 2022

## References

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An experimental test is proposed which is capable of revealing contextuality in all qutrit systems, except the completely mixed state, provided the authors choose the measurement basis appropriately, and the theoretical foundations of this test are reviewed.

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An experimentally testable inequality involving only 13 observables that is satisfied by all noncontextual realistic models while being violated by all qutrit states facilitates a state-independent test of the quantum contextuality for an indivisible quantum system.