English (United Kingdom)

https://curated-unify.zendy.io/wp-json/zendy-region/v1/featured_content/oa?rat=en

https://curated-unify.zendy.io/wp-json/zendy-region/v1/highlighted_journal/

Global: Zendy Plus annual

Presents the access of premium content as premium feature

Premium Content

Presents the keyphrase highlighting as premium feature

Keyphrase Highlighting

Presents the summarisation as premium feature

Summarisation

Insights

Presents the pdf analysis as premium feature

PDF Analysis

Presents the zaia usage as premium feature

ZAIA

Global: Zendy Tools annual

Global: Zendy Free Plan

Global: Zendy Tools monthly

Global: Zendy Plus monthly

We review a recently introduced unified approach to the analyticalquantification of correlations in Gaussian states of bosonic scalar fields bymeans of Renyi-2 entropy. This allows us to obtain handy formulae forclassical, quantum, total correlations, as well as bipartite and multipartiteentanglement. We apply our techniques to the study of correlations between twomodes of a scalar field as described by observers in different states ofmotion. When one or both observers are in uniform acceleration, the quantum andclassical correlations are degraded differently by the Unruh effect, dependingon which mode is detected. Residual quantum correlations, in the form ofquantum discord without entanglement, may survive in the limit of an infinitelyaccelerated observer Rob, provided they are revealed in a measurement performedby the inertial Alice.

classical and quantum gravity

Continuous variable methods in relativistic quantum information:  Characterisation of quantum and classical correlations of scalar field modes  in noninertial frames