Superlattice Quantum Solid of Dipolar Excitons

Camille Lagoin, Kirk Baldwin, Loren Pfeiffer, François Dubin

Research output: Contribution to journalArticlepeer-review

Abstract

We study dipolar excitons confined at 330 mK in a square electrostatic lattice of a GaAs double quantum well. In the dipolar occupation blockade regime, at 3/2 filling, we evidence that excitons form a face-centered superlattice quantum solid. This phase is realized with high purity across 36 lattice sites, in a regime where the mean interaction energy exceeds the depth of the electrostatic lattice confinement. The superlattice solid then closely relates to Wigner crystals.

Original languageEnglish (US)
Article number176001
JournalPhysical review letters
Volume132
Issue number17
DOIs
StatePublished - Apr 26 2024
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • General Physics and Astronomy

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