Dynamics of OH(2Pi)-He collisions in combined electric and magnetic
  fields

Abrahamsson; Alex Dalgarno; Alexander; Alexander; Avdeenkov; Avdeenkov; Brown; Brown; Campbell; Campbell; Gerrit C. Groenenboom; Gilijamse; González-Sánchez; Hinds; Hoekstra; Hudson; Johnson; Krems; Krems; Lara; Lara; Lev; Manolopoulos; Rabl; Roman V. Krems; Sawyer; Sawyer; Ticknor; Timur V. Tscherbul; Tscherbul; Tscherbul; Tscherbul; van de Meerakker; van de Meerakker; van der Loo; van Vroonhoven; Volpi; Weinstein; Wigner

research

Dynamics of OH(2Pi)-He collisions in combined electric and magnetic fields

Authors: Abrahamsson
Alex Dalgarno
Alexander
Alexander
Avdeenkov
Avdeenkov
Brown
Brown
Campbell
Campbell
Gerrit C. Groenenboom
Gilijamse
González-Sánchez
Hinds
Hoekstra
Hudson
Johnson
Krems
Krems
Lara
Lara
Lev
Manolopoulos
Rabl
Roman V. Krems
Sawyer
Sawyer
Ticknor
Timur V. Tscherbul
Tscherbul
Tscherbul
Tscherbul
van de Meerakker
van de Meerakker
van der Loo
van Vroonhoven
Volpi
Weinstein
Wigner
Publication date: 25 November 2008
Publisher: 'Royal Society of Chemistry (RSC)'
Doi

Abstract

We use accurate quantum mechanical calculations to analyze the effects of parallel electric and magnetic fields on collision dynamics of OH(2Pi) molecules. It is demonstrated that spin relaxation in 3He-OH collisions at temperatures below 0.01 K can be effectively suppressed by moderate electric fields of order 10 kV/cm. We show that electric fields can be used to manipulate Feshbach resonances in collisions of cold molecules. Our results can be verified in experiments with OH molecules in Stark decelerated molecular beams and electromagnetic traps.Comment: 20 pages, 5 figures, submitted to Faraday Discuss. 142: Cold and Ultracold Molecule