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 Plus monthly

Global: Zendy Tools annual

Global: Zendy Tools monthly

Global: Zendy Free Plan

Reduction of high-loop Feynman integrals is one of the main tasks in scattingamplitude. In this paper, a new representation of Feynman integrals proposed byChen in [1,2] is considered. We combined Chen's method with "syzygy" trick tosimplify the IBP relations, and successfully canceled the dimensional shift andthe unwanted doubled propagators. Moreover, we improved the method to deal withtensor's structure. We demonstrated our method using three two-loop integralsto show our method, and presented the analytical reduction coefficients in thetop-sector.

Reduction of two-loop Feynman integrals in parametric representation with syzygy trick