Quantum-orbit theory of low-energy above-threshold ionization on and off axis

(整期优先)网络出版时间:2015-07-17
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Intense-laser-inducedabove-thresholdionizationofaboundelectronintocontinuumstateswithlowenergyisinvestigatedinthecontextofthestrong-fieldapproximationthatallowsforoneactofrescatteringoftherevisitingelectron.Thequantumorbitsforforwardandbackwardscatteringareevaluatedandgeneralizedtoarbitraryscatteringangles.Thevelocitymapoftheliberatedelectronexhibitsthewell-knownlow-energystructureaswellasotherfeaturesoffthepolarizationaxis.