A measurable force driven by an excitonic condensate


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Hakioglu T., Ozgun E. , Gunay M.

APPLIED PHYSICS LETTERS, vol.104, no.16, 2014 (Journal Indexed in SCI) identifier identifier

  • Publication Type: Article / Article
  • Volume: 104 Issue: 16
  • Publication Date: 2014
  • Doi Number: 10.1063/1.4873377
  • Title of Journal : APPLIED PHYSICS LETTERS

Abstract

Free energy signatures related to the measurement of an emergent force (approximate to 10(-9)N) due to the exciton condensate (EC) in Double Quantum Wells are predicted and experiments are proposed to measure the effects. The EC-force is attractive and reminiscent of the Casimir force between two perfect metallic plates, but also distinctively different from it by its driving mechanism and dependence on the parameters of the condensate. The proposed experiments are based on a recent experimental work on a driven micromechanical oscillator. Conclusive observations of EC in recent experiments also provide a strong promise for the observation of the EC-force. (C) 2014 AIP Publishing LLC.