# Entanglement of particles versus entanglement of fields: independent quantum resources

@inproceedings{Sperling2022EntanglementOP, title={Entanglement of particles versus entanglement of fields: independent quantum resources}, author={Jan Sperling and Elizabeth Agudelo}, year={2022} }

Nature allows one to explore a manifold of remarkable quantum effects. Most prominently, quantum entanglement can be observed in many-particle systems, between multiple quantized ﬁelds, and hybrid combinations thereof. This diversity, however, also leads to contradicting conclusions about what truly constitutes entanglement in any given physical scenario. By explicitly allowing various perspectives, we rigorously consider different notions of entanglement in the context of ﬁrst and second…

## References

SHOWING 1-10 OF 80 REFERENCES

### No-go for device independent protocols with Tan-Walls-Collett `nonlocality of a single photon'

- Physics
- 2021

obtained by casting a single photon on a balanced beamsplitter, where e.g. |10〉b1,b2 , indicates one photon excitation in the Fock space of exit mode b1 and the vacuum of the Fock space relative to…

### Quantum Correlations beyond Entanglement and Discord.

- PhysicsPhysical review letters
- 2021

This work experimentally realizes a form of quantum correlation that exists even in the absence of entanglement and discord, and theoretically shows how multimode entangler can be activated based on the generated, nonentangled state.

### Concept of Orbital Entanglement and Correlation in Quantum Chemistry.

- Physics, ChemistryJournal of chemical theory and computation
- 2021

This work provides a refined discussion of quantum information theoretical concepts by introducing the physical correlation and its separation into classical and quantum parts as distinctive quantifiers of electronic structure, and succeeds in quantifying the entanglement.

### Correlation paradox of the dissociation limit: A quantum information perspective.

- PhysicsJournal of chemical theory and computation
- 2020

This work illustrates and proves that thermal noise due to finite, possibly even just infinitesimally low, temperature T will destroy the entanglement beyond a critical separation distance rcrit(T) entirely and reveals a conceptually new characterization of static and dynamical correlation in ground states by relating them to the (non)robustness of correlation with respect to thermal noise.

### Relating spin squeezing to multipartite entanglement criteria for particles and modes

- PhysicsPhysical Review A
- 2020

Entanglement witnesses based on first and second moments exist in the form of spin-squeezing criteria for the detection of particle entanglement from collective measurements, and in form of modified…

### Entanglement between distant macroscopic mechanical and spin systems

- PhysicsNature Physics
- 2020

Entanglement is an essential property of multipartite quantum systems, characterized by the inseparability of quantum states of objects regardless of their spatial separation. Generation of…

### Advances in high-dimensional quantum entanglement

- Physics
- 2019

An overview of the latest technological developments in the generation and manipulation of high-dimensionally entangled photonic systems encoded in various discrete degrees of freedom such as path, transverse spatial modes or time–frequency bins is provided.

### Mode-independent quantum entanglement for light

- PhysicsPhysical Review A
- 2019

We address the problem of the persistence of entanglement of quantum light under mode transformations, where orthogonal modes define the parties between which quantum correlations can occur. Since…