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 Tools annual

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 monthly

Global: Zendy Plus monthly

Presents the access of premium content as premium feature

Premium Content

Global: Zendy Plus annual

Global: Zendy Free Plan

We develop an alternative approach to this field, which was to a large extentdeveloped by Verbeure et al. It is meant to complement their approach, which islargely based on a non-commutative central limit theorem and coordinate spaceestimates. In contrast to that we deal directly with the limits of $l$-pointtruncated correlation functions and show that they typically vanish for $l\geq3$ provided that the respective scaling exponents of the fluctuationobservables are appropriately chosen. This direct approach is greatlysimplified by the introduction of a smooth version of spatial averaging, whichhas a much nicer scaling behavior and the systematic developement of Fourierspace and energy-momentum spectral methods. We both analyze the regime ofnormal fluctuations, the various regimes of poor clustering and the case ofspontaneous symmetry breaking or Goldstone phenomenon.Comment: 30 pages, Latex, a more detailed discussion in section 7 as to  possible scaling behavior of l-point function

Fluctuation operators and spontaneous symmetry breaking