Ground state of low dimensional dipolar gases: linear and zigzag chains
arXiv:0806.0039 · doi:10.1103/PhysRevA.78.063622
Abstract
We study the ground state phase diagram of ultracold dipolar gases in highly anisotropic traps. Starting from a one-dimensional geometry, by ramping down the transverse confinement along one direction, the gas reaches various planar distributions of dipoles. At large linear densities, when the dipolar gas exhibits a crystal-like phase, critical values of the transverse frequency exist below which the configuration exhibits novel transverse patterns. These critical values are found by means of a classical theory, and are in full agreement with classical Monte Carlo simulations. The study of the quantum system is performed numerically with Monte Carlo techniques and shows that the quantum fluctuations smoothen the transition and make it completely disappear in a gas phase. These predictions could be experimentally tested and would allow one to reveal the effect of zero-point motion on self-organized mesoscopic structures of matter waves, such as the transverse pattern of the zigzag chain.
References in corpus (19)
- Many-Body Physics with Ultracold Gases
- Ultracold atomic gases in optical lattices: mimicking condensed matter physics and beyond
- Quantum phases of dipolar bosons in optical lattices
- Strongly correlated 2D quantum phases with cold polar molecules: controlling the shape of the interaction potential
- Strong dipolar effects in a quantum ferrofluid
- Wigner Crystal in One Dimension
- Stabilizing a purely dipolar quantum gas against collapse
- Motion of a heavy impurity through a Bose-Einstein condensate
- Quantum phase transition in a two-dimensional system of dipoles
- Monte Carlo Analysis of a New Interatomic Potential for He
- Generic properties of a quasi-one dimensional classical Wigner crystal
- Metastable states of a gas of dipolar bosons in a 2D optical lattice
- Structural phase transitions in low-dimensional ion crystals
- Quantum fluids of self-assembled chains of polar molecules
- Cold Atoms and Molecules in Self-Assembled Dipolar Lattices
- Molecular Dipolar Crystals as High Fidelity Quantum Memory for Hybrid Quantum Computing
- Evidence of Luttinger liquid behavior in one-dimensional dipolar quantum gases
- Ground-state properties of a one-dimensional system of dipoles
- Dipolar bosons in a planar array of one-dimensional tubes
Cited by in corpus (30)
- Two-dimensional supersolidity in a dipolar quantum gas
- Ultracold Dipolar Gases in Optical Lattices
- Quantum zigzag transition in ion chains
- Few-body Bose gases in low dimensions -- a laboratory for quantum dynamics
- Order parameter and detection for crystallized dipolar bosons in lattices
- Formation of helical ion chains
- Zigzag Phase Transition in Quantum Wires
- Structure, dynamics and bifurcations of discrete solitons in trapped ion crystals
- Correlations of strongly interacting ultracold dipolar bosons in optical lattices
- Quantum structural phase transition in chains of interacting atoms
- Density ordering instabilities of quasi-two-dimensional fermionic polar molecules in single-layer and multi-layer configurations: exact treatment of exchange interactions
- Full characterization of the quantum linear-zigzag transition in atomic chains
- Entanglement Generation Using Discrete Solitons in Coulomb Crystals
- Freezing of soft-core bosons at zero temperature: A variational theory
- Layers of Cold Dipolar Molecules in the Harmonic Approximation
- From classical to quantum criticality
- Quantum phase transition in quantum wires controlled by an external gate
- Ground states of dipolar gases in quasi-1D ring traps
- Ab-initio characterization of the quantum linear-zigzag transition using DMRG
- Thermal and quantum fluctuations in chains of ultracold polar molecules
- Formation of classical crystals of dipolar particles in a helical geometry
- Dipoles on a Two-leg Ladder
- Topological quasi-one-dimensional state of interacting spinless electrons
- Structural transitions of nearly second order in classical dipolar gases
- Multi-mode Bose-Hubbard model for quantum dipolar gases in confined geometries
- Quantum phases of quadrupolar Fermi gases in coupled one-dimensional systems
- Expansion of strongly interacting dipolar bosons in 1D optical lattices
- Stability of dipolar bosons in a quasiperiodic potential
- Operator-based derivation of phonon modes and characterization of correlations for trapped ions at zero and finite temperature
- Correlation dynamics of dipolar bosons in 1D triple well optical lattice