92590092.634

Semiclassical theory of the ground-state tunneling splittin


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Gennady V Mil'nikovCG



Abstract


Theproblemofsemiclassicalevaluationoftheground-statetunnelingsplittingiscompletelysolvedforanyRiemannianmetricandarbitrarynumberofdegreesoffreedom ItisprovedthattheinstantonmethodbasedonthepathintegralformalismandtheWKBapproximationfortheShrodingerequationyieldanidenticalresultforthesplitting Apracticallyeffectivemethodtocalculatetheinstantontrajectoryandtheclassicalactionispresented ThetheoryisgeneralizedforanarbitraryRiemannianmetricandappliedtothehydrogentunnelinginthethree-andtwentyone-dimensionalsystemsofHO2andmalonaldehyde,respectively

Theproblemofsemiclassicalevaluationoftheground-statetunnelingsplittingiscompletelysolvedforanyRiemannianmetricandarbitrarynumberofdegreesoffreedom