Quasi-two dimensional dipolar scattering

TL;DR

This paper investigates how confinement affects two-body dipolar scattering, revealing the absence of a barrier below a certain ratio and analyzing tunneling probabilities to understand scattering behavior.

Contribution

It introduces a multi-channel approach to dipolar scattering under confinement and characterizes the adiabatic curves and tunneling probabilities as functions of system parameters.

Findings

No dipolar barrier for D/l < 0.34

Adiabatic curves depend on D/l ratio

Tunneling probability varies with D/l and energy

Abstract

We study two body dipolar scattering with one dimension of confinement. We include the effects of confinement by expanding this degree of freedom in harmonic oscillator states. We then study the properties of the resulting multi-channel system. We study the adiabatic curves as a function of D/l, the ratio of the dipolar and confinement length scales. There is no dipolar barrier for this system when D/l < 0.34. We also study the WKB tunneling probability as a function of D/l and scattering energy. This can be used to estimate the character of the scattering.