Pattern formation in quantum ferrofluids: From supersolids to superglasses

J Hertkorn, JN Schmidt, M Guo, F Böttcher, KSH Ng… - Physical Review …, 2021 - APS
Pattern formation is a ubiquitous phenomenon observed in nonlinear and out-of-equilibrium
systems. In equilibrium, quantum ferrofluids formed from ultracold atoms were recently …

Supersolidity and crystallization of a dipolar Bose gas in an infinite tube

JC Smith, D Baillie, PB Blakie - Physical Review A, 2023 - APS
We calculate the ground states of a dipolar Bose gas confined in an infinite tube potential.
We use the extended Gross-Pitaevskii equation theory and present a numerical method to …

Supersolidity in two-dimensional trapped dipolar droplet arrays

J Hertkorn, JN Schmidt, M Guo, F Böttcher, KSH Ng… - Physical Review Letters, 2021 - APS
We theoretically investigate the ground states and the spectrum of elementary excitations
across the superfluid to droplet crystallization transition of an oblate dipolar Bose-Einstein …

Supersolidity in an elongated dipolar condensate

PB Blakie, D Baillie, L Chomaz, F Ferlaino - Physical Review Research, 2020 - APS
We present a theory for the emergence of a supersolid state in a cigar-shaped dipolar
quantum Bose gas. Our approach is based on a reduced three-dimensional (3D) theory …

Ground-state stability and excitation spectrum of a one-dimensional dipolar supersolid

T Ilg, HP Büchler - Physical Review A, 2023 - APS
We study the behavior of the excitation spectrum across the quantum phase transition from a
superfluid to a supersolid phase of a dipolar Bose gas confined to a one-dimensional …

Compressibility and speeds of sound across the superfluid-to-supersolid phase transition of an elongated dipolar gas

PB Blakie, L Chomaz, D Baillie, F Ferlaino - Physical Review Research, 2023 - APS
We investigate the excitation spectrum and compressibility of a dipolar Bose-Einstein
condensate in an infinite tube potential in the parameter regime where the transition …

Excitations of a Binary Dipolar Supersolid

W Kirkby, AC Lee, D Baillie, T Bland, F Ferlaino… - Physical review …, 2024 - APS
We predict a rich excitation spectrum of a binary dipolar supersolid in a linear crystal
geometry, where the ground state consists of two partially immiscible components with …

Infrared cutoff for dipolar droplets

LJ He, F Maucher, YC Zhang - Physical Review A, 2024 - APS
The beyond mean-field physics due to quantum fluctuations is often described with the Lee-
Huang-Yang correction, which can be approximately written as a simple analytical …

Numerical calculation of dipolar-quantum-droplet stationary states

AC Lee, D Baillie, PB Blakie - Physical Review Research, 2021 - APS
We describe and benchmark a method to accurately calculate the quantum droplet states
that can be produced from a dipolar Bose-Einstein condensate. Our approach also allows us …

Bloch oscillations and matter-wave localization of a dipolar quantum gas in a one-dimensional lattice

G Natale, T Bland, S Gschwendtner… - Communications …, 2022 - nature.com
Three-dimensional quantum gases of strongly dipolar atoms can undergo a crossover from
a dilute gas to a dense macrodroplet, stabilized by quantum fluctuations. Adding a one …