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

In this paper, we compute multiparticle form factors of local operators in 2d$\phi^4$ theory using a recently proposed method [1] for efficientlyimplementing the LSZ prescription with Hamiltonian Truncation methods, and weadopt Lightcone Conformal Truncation (LCT) in particular for our calculations.We perform various checks of our results at weak and strong coupling, andelucidate the parametric behavior of truncation errors.  This opens up the possibility to compute S-matrix in various strongly coupledmodels using the LSZ method in LCT.

LSZ in Action: Extracting Form Factors from Correlators Nonperturbatively in 2d $\phi^4$ Theory