Monday, June 25, 2012

1206.5171 (Michal Spacek et al.)

Internal and external dynamics of antihydrogen in electric and magnetic
fields of arbitrary orientation
   [PDF]

Michal Spacek, Vojtech Petracek
We have studied the motion of antihydrogen atoms in electric and magnetic fields of arbitrary orientation. Our aim was to find an exact model of external (centre-of-charge) and internal dynamics which would allow us to describe antihydrogen motion in a realistic way. After analysing the kinematics of the charge exchange reaction producing antihydrogen and of antihydrogen deexcitation, we discuss the dynamics in cases of special fields configurations. Finally, we propose an expression for the force acting on an antihydrogen atom when the field configuration is arbitrary. The general formula -- when reduced in the special field configurations -- matches the results which we obtained independently before. The focus is both on the centre of charge dynamics and on the accurate internal quantum characteristics.
View original: http://arxiv.org/abs/1206.5171

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