Transversal effects on the ground state of hard-core dipolar bosons in one-dimensional optical lattices

authored by

Henning Korbmacher, Gustavo A. Domínguez-Castro, Wei Han Li, Jakub Zakrzewski, Luis Santos

Abstract

Polar lattice gases are usually assumed to have an intersite interaction that decays with the interparticle distance r as 1/r3. However, a loose-enough transversal confinement may strongly modify the dipolar decay in one-dimensional lattices. We show that this modification alters significantly the ground-state properties of hard-core dipolar bosons. For repulsive intersite interactions, the corrected decay alters the conditions for devil's staircase insulators, affecting significantly the particle distribution in the presence of an overall harmonic confinement. For attractive interactions, it results in a reduction of the critical dipole interaction for the formation of self-bound clusters, and for a marked enhancement of the region of liquefied lattice droplets.

Organisation(s)

Institute of Theoretical Physics
CRC 1227 Designed Quantum States of Matter (DQ-mat)

External Organisation(s)

Max Planck Institute for the Physics of Complex Systems
Jagiellonian University

Type

Article

Journal

Physical Review A

Volume

107

ISSN

2469-9926

Publication date

14.06.2023

Publication status

Published

Peer reviewed

Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

Electronic version(s)

https://doi.org/10.48550/arXiv.2303.07217 (Access: Open)
https://doi.org/10.1103/PhysRevA.107.063307 (Access: Closed)