dorsal/arxiv
View SchemaOn the recollision-free excitation of krypton during ultrafast multi-electron tunnel ionization
| Authors | W A Bryan, S L Stebbings, J McKenna, E M L English, M Suresh, J Wood, B Srigengan, I C E Turcu, I D Williams, W R Newell |
|---|---|
| Categories | |
| ArXiv ID | physics/0512152 |
| URL | https://arxiv.org/abs/physics/0512152 |
| DOI | 10.1088/0953-4075/39/13/S08 |
| Journal | J. Phys. B/ vol 39 pS349 (2006) |
Abstract
The probability of multiple ionization of krypton by 50 femtosecond circularly polarized laser pulses, independent of the optical focal geometry, has been obtained for the first time. The excellent agreement over the intensity range 10 TWcm-2 to 10 PWcm-2 with the recent predictions of A. S. Kornev et al [Phys. Rev. A v.68, art.043414 (2003)] provides the first experimental confirmation that non-recollisional electronic excitation can occur in strong field ionization. This is particularly true for higher stages of ionization, when the laser intensity exceeds 1 PWcm-2 as the energetic departure of the ionized electron(s) diabatically distorts the wavefunctions of the bound electrons. By scaling the probability of ionization by the focal volume, we discusses why this mechanism was not apparent in previous studies.
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"abstract": "The probability of multiple ionization of krypton by 50 femtosecond\ncircularly polarized laser pulses, independent of the optical focal geometry,\nhas been obtained for the first time. The excellent agreement over the\nintensity range 10 TWcm-2 to 10 PWcm-2 with the recent predictions of A. S.\nKornev et al [Phys. Rev. A v.68, art.043414 (2003)] provides the first\nexperimental confirmation that non-recollisional electronic excitation can\noccur in strong field ionization. This is particularly true for higher stages\nof ionization, when the laser intensity exceeds 1 PWcm-2 as the energetic\ndeparture of the ionized electron(s) diabatically distorts the wavefunctions of\nthe bound electrons. By scaling the probability of ionization by the focal\nvolume, we discusses why this mechanism was not apparent in previous studies.",
"arxiv_id": "physics/0512152",
"authors": [
"W A Bryan",
"S L Stebbings",
"J McKenna",
"E M L English",
"M Suresh",
"J Wood",
"B Srigengan",
"I C E Turcu",
"I D Williams",
"W R Newell"
],
"categories": [
"physics.atom-ph"
],
"doi": "10.1088/0953-4075/39/13/S08",
"journal_ref": "J. Phys. B/ vol 39 pS349 (2006)",
"title": "On the recollision-free excitation of krypton during ultrafast multi-electron tunnel ionization",
"url": "https://arxiv.org/abs/physics/0512152"
},
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