dorsal/arxiv
View SchemaCharge-Induced Fragmentation of Sodium Clusters
| Authors | P. Blaise, S. A. Blundell, C. Guet, Rajendra R. Zope |
|---|---|
| Categories | |
| ArXiv ID | physics/0106030 |
| URL | https://arxiv.org/abs/physics/0106030 |
| DOI | 10.1103/PhysRevLett.87.063401 |
Abstract
The fission of highly charged sodium clusters with fissilities X>1 is studied by {\em ab initio} molecular dynamics. Na_{24}^{4+} is found to undergo predominantly sequential Na_{3}^{+} emission on a time scale of 1 ps, while Na_{24}^{Q+} (5 \leq Q \leq 8) undergoes multifragmentation on a time scale \geq 0.1 ps, with Na^{+} increasingly the dominant fragment as Q increases. All singly-charged fragments Na_{n}^{+} up to size n=6 are observed. The observed fragment spectrum is, within statistical error, independent of the temperature T of the parent cluster for T \leq 1500 K. These findings are consistent with and explain recent trends observed experimentally.
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"abstract": "The fission of highly charged sodium clusters with fissilities X\u003e1 is studied\nby {\\em ab initio} molecular dynamics. Na_{24}^{4+} is found to undergo\npredominantly sequential Na_{3}^{+} emission on a time scale of 1 ps, while\nNa_{24}^{Q+} (5 \\leq Q \\leq 8) undergoes multifragmentation on a time scale\n\\geq 0.1 ps, with Na^{+} increasingly the dominant fragment as Q increases. All\nsingly-charged fragments Na_{n}^{+} up to size n=6 are observed. The observed\nfragment spectrum is, within statistical error, independent of the temperature\nT of the parent cluster for T \\leq 1500 K. These findings are consistent with\nand explain recent trends observed experimentally.",
"arxiv_id": "physics/0106030",
"authors": [
"P. Blaise",
"S. A. Blundell",
"C. Guet",
"Rajendra R. Zope"
],
"categories": [
"physics.atm-clus",
"physics.chem-ph",
"physics.comp-ph"
],
"doi": "10.1103/PhysRevLett.87.063401",
"title": "Charge-Induced Fragmentation of Sodium Clusters",
"url": "https://arxiv.org/abs/physics/0106030"
},
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