### Abstract

We present results obtained using dimensional scaling with high-frequency Floquet theory to evaluate the stability of gas phase simple diatomic molecules in superintense laser fields. The large- D limit provides a simple model that captures the main physics of the problem, which imposes electron localization along the polarization direction of the laser field. This localization markedly reduces the ionization probability and can enhance chemical bonding when the laser strength becomes sufficiently strong. We find that energy and structure calculations at the large-dimensional limit (D→∞) for stabilities of H_{2}
^{+}, H_{2}, and He2 in superintense laser fields are much simpler than at D=3, yet yield similar results to those found from demanding ab initio calculations. We also use the large- D model to predict the stability of H_{2}
^{-} and the field strength needed to bind the "extra" electron to the H_{2} molecule.

Original language | English |
---|---|

Article number | 214110 |

Journal | Journal of Chemical Physics |

Volume | 129 |

Issue number | 21 |

DOIs | |

Publication status | Published - 12 Dec 2008 |

Externally published | Yes |

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### ASJC Scopus subject areas

- Physics and Astronomy(all)
- Physical and Theoretical Chemistry

### Cite this

*Journal of Chemical Physics*,

*129*(21), [214110]. https://doi.org/10.1063/1.3027451

**Dimensional scaling treatment of stability of simple diatomic molecules induced by superintense, high-frequency laser fields.** / Wei, Qi; Kais, Sabre; Herschbach, Dudley.

Research output: Contribution to journal › Article

*Journal of Chemical Physics*, vol. 129, no. 21, 214110. https://doi.org/10.1063/1.3027451

}

TY - JOUR

T1 - Dimensional scaling treatment of stability of simple diatomic molecules induced by superintense, high-frequency laser fields

AU - Wei, Qi

AU - Kais, Sabre

AU - Herschbach, Dudley

PY - 2008/12/12

Y1 - 2008/12/12

N2 - We present results obtained using dimensional scaling with high-frequency Floquet theory to evaluate the stability of gas phase simple diatomic molecules in superintense laser fields. The large- D limit provides a simple model that captures the main physics of the problem, which imposes electron localization along the polarization direction of the laser field. This localization markedly reduces the ionization probability and can enhance chemical bonding when the laser strength becomes sufficiently strong. We find that energy and structure calculations at the large-dimensional limit (D→∞) for stabilities of H2 +, H2, and He2 in superintense laser fields are much simpler than at D=3, yet yield similar results to those found from demanding ab initio calculations. We also use the large- D model to predict the stability of H2 - and the field strength needed to bind the "extra" electron to the H2 molecule.

AB - We present results obtained using dimensional scaling with high-frequency Floquet theory to evaluate the stability of gas phase simple diatomic molecules in superintense laser fields. The large- D limit provides a simple model that captures the main physics of the problem, which imposes electron localization along the polarization direction of the laser field. This localization markedly reduces the ionization probability and can enhance chemical bonding when the laser strength becomes sufficiently strong. We find that energy and structure calculations at the large-dimensional limit (D→∞) for stabilities of H2 +, H2, and He2 in superintense laser fields are much simpler than at D=3, yet yield similar results to those found from demanding ab initio calculations. We also use the large- D model to predict the stability of H2 - and the field strength needed to bind the "extra" electron to the H2 molecule.

UR - http://www.scopus.com/inward/record.url?scp=57349195975&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=57349195975&partnerID=8YFLogxK

U2 - 10.1063/1.3027451

DO - 10.1063/1.3027451

M3 - Article

VL - 129

JO - Journal of Chemical Physics

JF - Journal of Chemical Physics

SN - 0021-9606

IS - 21

M1 - 214110

ER -