Excitonic n-string in linear chains

H. Ezaki, T. Tokihiro, M. Kuwata-Gonokami, R. Shimano, K. Ema, E. Hanamura, B. Fluegel, K. Meissner, S. Mazumdar, N. Peyghambarian

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


The bound states of n Frenkel excitons (n = 2,3,...), which are called excitonic n-strings, are theoretically shown to exist in contrast with a system of Wannier excitons. The electronic structure and nonlinear optical responses of these excitonic n-strings are clarified. The first evidence for the excitonic 2- and 3-strings is provided from comparison of the calculated and observed differential transmission spectrum of an Anthracene-PMDA crystal pumped by femtosecond laser pulses.

Original languageEnglish (US)
Pages (from-to)211-216
Number of pages6
JournalSolid State Communications
Issue number3
StatePublished - Oct 1993

ASJC Scopus subject areas

  • General Chemistry
  • Condensed Matter Physics
  • Materials Chemistry


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