Pseudospin orders in the supersolid phases in binary Rydberg-dressed Bose-Einstein condensates

C. H. Hsueh, Y. C. Tsai, K. S. Wu, M. S. Chang, W. C. Wu

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We show that the five possible ordered states in a two-dimensional quantum spin-1/2 system with long-range exchange interactions (Néel, ladder, Peierls, longitudinal-domain, and transversal-domain states) can be realized in a binary Rydberg-dressed BEC system in the supersolid phase. In such a system, blockade phenomenon is shown to also occur for pairs of different excited-state atoms, which results in similar intraspecies and interspecies long-range interactions between ground-state atoms. It suggests that a pseudospin system can be possibly formed in the ground state of ultracold rubidium.

Original languageEnglish
Article number043646
JournalPhysical Review A - Atomic, Molecular, and Optical Physics
Volume88
Issue number4
DOIs
Publication statusPublished - 2013 Oct 31

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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