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

The creation of tunable open quantum systems is becoming feasible in currentexperiments with ultracold atoms in low-dimensional traps. In particular, thehigh degree of experimental control over these systems allows detailed studiesof tunneling dynamics, e.g., as a function of the trapping geometry and theinterparticle interaction strength. In order to address this excitingopportunity we present a theoretical framework for two-body tunneling based onthe rigged Hilbert space formulation. In this approach, bound, resonant andscattering states are included on an equal footing, and we argue that thecoupling of all these components is vital for a correct description of therelevant threshold phenomena. In particular, we study the tunneling mechanismfor two-body systems in one-dimensional traps and different interactionregimes. We find a strong dominance of sequential tunneling of single particlesfor repulsive and weakly attractive systems, while there is a signature ofcorrelated pair tunneling in the calculated many-particle flux for stronglyattractive interparticle interaction.

Tunneling Theory for Tunable Open Quantum Systems of Ultracold Atoms in One-Dimensional Traps