Journal of Experimental and Theoretical Physics Letters

, Volume 73, Issue 5, pp 228–231

Band gap collapse and ultrafast “cold” melting of silicon during femtosecond laser pulse

  • S. I. Kudryashov
  • V. I. Emel’yanov
Condensed Matter

DOI: 10.1134/1.1371059

Cite this article as:
Kudryashov, S.I. & Emel’yanov, V.I. Jetp Lett. (2001) 73: 228. doi:10.1134/1.1371059


It is established experimentally that a high concentration of electron-hole plasma produced in silicon by femtosecond laser pulse induces a sequential “collapse” of the band gap in the [111] and [100] directions and leads to the formation of a “cold” metallic liquid phase during the pulse.

PACS numbers


Copyright information

© MAIK "Nauka/Interperiodica" 2001

Authors and Affiliations

  • S. I. Kudryashov
    • 1
  • V. I. Emel’yanov
    • 1
  1. 1.International Laser Center, Faculty of PhysicsMoscow State UniversityMoscowRussia