Related Experiment Video
Updated: Feb 13, 2026
07:20
Trapping of Micro Particles in Nanoplasmonic Optical Lattice
Published on: September 5, 2017
7.0K
Realizing the Haldane Phase with Bosons in Optical Lattices
Junjun Xu1,2, Qiang Gu1, Erich J Mueller2
1Department of Physics and Beijing Key Laboratory for Magneto-Photoelectrical Composite and Interface Science, University of Science and Technology Beijing, Beijing 100083, China.
Physical Review Letters
|March 16, 2018
Summary
Researchers demonstrate a tunable Haldane phase in a zigzag optical lattice using magnetic field modulation. Quantum gas microscopy can detect its topological properties and edge states, though supersolid correlations are experimentally challenging.
Area of Science:
- Quantum physics
- Condensed matter physics
- Atomic physics
Background:
- Bosons in optical lattices are crucial for simulating complex quantum phenomena.
- The Haldane phase is a topologically ordered state with unique properties.
- Quantum gas microscopy offers advanced capabilities for probing quantum systems.
Purpose of the Study:
- To analyze an experimentally realizable model of bosons in a zigzag optical lattice.
- To demonstrate the realization and detection of a Haldane phase analog.
- To investigate the potential for observing supersolid correlations.
Main Methods:
- Analysis of a boson model in a zigzag optical lattice.
- Rapid modulation of the magnetic field to tune interaction parameters.
- Modeling quantum gas microscopy for detecting nonlocal string order and topological edge states.
Main Results:
- Successfully tuned interaction parameters to realize an analog of the Haldane phase.
- Proposed quantum gas microscopy as a method to detect nonlocal string order and topological edge states.
- Identified supersolid correlations but noted experimental challenges in their realization.
Conclusions:
- The proposed model provides an experimentally accessible route to the Haldane phase.
- Quantum gas microscopy is a viable tool for characterizing topological phases in such systems.
- Achieving supersolid correlations requires specific, potentially difficult-to-access, experimental parameters.
Related Concept Videos
02:33Lattice Centering and Coordination Number
12.2K
The structure of a crystalline solid, whether a metal or not, is best described by considering its simplest repeating unit, which is referred to as its unit cell. The unit cell consists of lattice points that represent the locations of atoms or ions. The entire structure then consists of this unit cell repeating in three dimensions. The three different types of unit cells present in the cubic lattice are illustrated in Figure 1.
Types of Unit Cells
Imagine taking a large number of identical...
Types of Unit Cells
Imagine taking a large number of identical...
12.2K
02:54Trends in Lattice Energy: Ion Size and Charge
26.8K
An ionic compound is stable because of the electrostatic attraction between its positive and negative ions. The lattice energy of a compound is a measure of the strength of this attraction. The lattice energy (ΔHlattice) of an ionic compound is defined as the energy required to separate one mole of the solid into its component gaseous ions. For the ionic solid sodium chloride, the lattice energy is the enthalpy change of the process:
26.8K
01:12Bewley Lattice Diagram
1.5K
The Bewley lattice diagram, developed by L. V. Bewley, effectively organizes the reflections occurring during transmission-line transients. It visually represents how voltage waves propagate and reflect within a transmission line, making it easier to understand the complex interactions that occur.
1.5K
02:39Phase Transitions: Melting and Freezing
15.3K
Heating a crystalline solid increases the average energy of its atoms, molecules, or ions, and the solid gets hotter. At some point, the added energy becomes large enough to partially overcome the forces holding the molecules or ions of the solid in their fixed positions, and the solid begins the process of transitioning to the liquid state or melting. At this point, the temperature of the solid stops rising, despite the continual input of heat, and it remains constant until all of the solid is...
15.3K
02:39Phase Diagrams
50.4K
A phase diagram combines plots of pressure versus temperature for the liquid-gas, solid-liquid, and solid-gas phase-transition equilibria of a substance. These diagrams indicate the physical states that exist under specific conditions of pressure and temperature and also provide the pressure dependence of the phase-transition temperatures (melting points, sublimation points, boiling points). Regions or areas labeled solid, liquid, and gas represent single phases, while lines or curves represent...
50.4K
02:31Phase Transitions
23.3K
Whether solid, liquid, or gas, a substance's state depends on the order and arrangement of its particles (atoms, molecules, or ions). Particles in the solid pack closely together, generally in a pattern. The particles vibrate about their fixed positions but do not move or squeeze past their neighbors. In liquids, although the particles are closely spaced, they are randomly arranged. The position of the particles are not fixed—that is, they are free to move past their neighbors to...
23.3K