Related Experiment Video
Updated: Jul 8, 2025
05:39
Scalable Quantum Integrated Circuits on Superconducting Two-Dimensional Electron Gas Platform
Published on: August 2, 2019
9.7K
Quantum phase transitions in skewed ladder systems
Sambunath Das1, Dayasindhu Dey2, Rajamani Raghunathan2
1Institute of Physics (FZU), Czech Academy of Sciences, Na Slovance 1999/2, 182 00 Prague, Czech Republic.
Physical Chemistry Chemical Physics : PCCP
|December 12, 2023
Summary
We introduce skewed spin ladders, a novel system exhibiting exotic quantum phases. These systems display diverse ground states, including singlet and high-spin phases, dependent on Hamiltonian parameters.
Area of Science:
- Condensed Matter Physics
- Quantum Mechanics
- Materials Science
Background:
- Spin ladders are a class of quantum systems with unique magnetic properties.
- Understanding their behavior is crucial for developing new quantum materials.
Purpose of the Study:
- Introduce a new spin ladder system: skewed spin ladders.
- Investigate the exotic quantum phases and ground state properties of these systems.
Main Methods:
- Theoretical analysis of skewed spin ladder models (5/7, 3/4, 3/5).
- Examination of ground state transitions with varying Hamiltonian parameters.
- Exploration of magnetization plateaus in specific spin ladder configurations.
Main Results:
- Skewed spin ladders exhibit diverse ground states, including singlet, high-spin, and reentrant singlet phases.
- The 5/7 ladder transitions from singlet to high-spin and reentrant singlet states.
- The 3/4 ladder shows a transition to a high-spin state with spin 1 per unit cell.
- The 3/5 ladder displays singlet, high-spin, and reentrant singlet ground states.
Conclusions:
- Skewed spin ladders represent a promising platform for exploring novel quantum phenomena.
- The tunability of their ground states offers potential for designing materials with specific magnetic properties.
- Further research into these systems could lead to advancements in quantum computing and spintronics.
Related Concept Videos
01:02¹H NMR: Interpreting Distorted and Overlapping Signals
1.0K
Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are...
As Δν decreases and the signals move closer, the doublets appear increasingly distorted. The intensities of the inner lines increase at the cost of those of the outer lines as the signals are...
1.0K
02:31Phase Transitions
19.1K
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...
19.1K
01:07Ladder Diagrams: Complexation Equilibria
352
Ladder diagrams are useful for evaluating equilibria involving metal-ligand complexes. The vertical scale of the ladder diagram represents the concentration of unreacted or free ligand, pL. The horizontal lines on the scale depict the log of stepwise formation constants for metal-ligand complexes and indicate the dominant species in all the regions.
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
The formation constant, K1, for the formation of Cd(NH3)2+ complex from cadmium and ammonia is 3.55 × 102. Log K1 (i.e. pNH3) is 2.55, and...
352
01:12Bewley Lattice Diagram
665
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.
665
02:33Phase Transitions: Sublimation and Deposition
17.2K
Some solids can transition directly into the gaseous state, bypassing the liquid state, via a process known as sublimation. At room temperature and standard pressure, a piece of dry ice (solid CO2) sublimes, appearing to gradually disappear without ever forming any liquid. Snow and ice sublimate at temperatures below the melting point of water, a slow process that may be accelerated by winds and the reduced atmospheric pressures at high altitudes. When solid iodine is warmed, the solid sublimes...
17.2K
02:39Phase Transitions: Vaporization and Condensation
17.6K
The physical form of a substance changes on changing its temperature. For example, raising the temperature of a liquid causes the liquid to vaporize (convert into vapor). The process is called vaporization—a surface phenomenon. Vaporization occurs when the thermal motion of the molecules overcome the intermolecular forces, and the molecules (at the surface) escape into the gaseous state. When a liquid vaporizes in a closed container, gas molecules cannot escape. As these gas phase...
17.6K