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Semidefinite programming relaxations for quantum correlations
Semidefinite programs are convex optimization problems involving a linear objective
function and a domain of positive-semidefinite matrices. Over the past two decades, they …
function and a domain of positive-semidefinite matrices. Over the past two decades, they …
Experimental multiparticle entanglement dynamics induced by decoherence
Multiparticle entanglement leads to richer correlations than two-particle entanglement and
gives rise to striking contradictions with local realism, inequivalent classes of entanglement …
gives rise to striking contradictions with local realism, inequivalent classes of entanglement …
Faithful squashed entanglement
Squashed entanglement is a measure for the entanglement of bipartite quantum states. In
this paper we present a lower bound for squashed entanglement in terms of a distance to …
this paper we present a lower bound for squashed entanglement in terms of a distance to …
The radical pair mechanism and the avian chemical compass: Quantum coherence and entanglement
We review the spin radical pair mechanism which is a promising explanation of avian
navigation. This mechanism is based on the dependence of product yields on (1) the …
navigation. This mechanism is based on the dependence of product yields on (1) the …
Linking entanglement detection and state tomography via quantum 2-designs
We present an experimentally feasible and efficient method for detecting entangled states
with measurements that extend naturally to a tomographically complete set. Our detection …
with measurements that extend naturally to a tomographically complete set. Our detection …
Building separable approximations for quantum states via neural networks
Finding the closest separable state to a given target state is a notoriously difficult task, even
more difficult than deciding whether a state is entangled or separable. To tackle this task, we …
more difficult than deciding whether a state is entangled or separable. To tackle this task, we …
Type-independent characterization of spacelike separated resources
Quantum theory describes multipartite objects of various types: quantum states, nonlocal
boxes, steering assemblages, teleportages, distributed measurements, channels, and so on …
boxes, steering assemblages, teleportages, distributed measurements, channels, and so on …
Complete hierarchy of linear systems for certifying quantum entanglement of subspaces
We introduce a hierarchy of linear systems for showing that a given subspace of pure
quantum states is entangled (ie, contains no product states). This hierarchy outperforms …
quantum states is entangled (ie, contains no product states). This hierarchy outperforms …
Certifying quantum separability with adaptive polytopes
The concept of entanglement and separability of quantum states is relevant for several fields
in physics. Still, there is a lack of effective operational methods to characterise these …
in physics. Still, there is a lack of effective operational methods to characterise these …
Physical entanglement between localized orbitals
The goal of the present work is to guide the development of quantum technologies in the
context of fermionic systems. For this, we first elucidate the process of entanglement …
context of fermionic systems. For this, we first elucidate the process of entanglement …