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Related Experiment Video

Updated: May 17, 2026

Tuning Degradation to Achieve Specific and Efficient Protein Depletion

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Published on: July 20, 2019

Tuning the disorder in superglasses.

Derek Larson¹, Ying-Jer Kao

¹Department of Physics, National Taiwan University, Taipei 10607, Taiwan.

Physical Review Letters

|October 30, 2012

Summary

Quantum fluctuations in a 3D lattice stabilize superglass and supersolid phases, shifting glassy-ferromagnetic transitions. This research explores exotic states of matter in magnetic and superfluid systems.

Area of Science:

Condensed Matter Physics
Quantum Many-Body Systems
Statistical Mechanics

Background:

The XXZ model with random Ising interactions is a complex system exhibiting various orders.
Understanding the interplay of superfluidity, glassy, and magnetic orders is crucial for novel quantum materials.

Purpose of the Study:

Investigate the phase diagram of the 3D XXZ model with random Ising interactions.
Determine the influence of quantum fluctuations on glassy-ferromagnetic transitions.
Characterize novel coexisting phases like superglass and supersolid.

Main Methods:

Utilized quantum Monte Carlo simulations.
Analyzed the behavior of the system across a range of ferromagnetic bond concentrations (p).
Compared results with the classical limit (Edwards-Anderson Ising model).

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Last Updated: May 17, 2026

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Published on: July 20, 2019

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Main Results:

Quantum fluctuations stabilize the superglass phase (superfluidity + glassy order).
The glassy-ferromagnetic transition is shifted to higher concentrations (p(c) > p(c)(cl)).
Antiferromagnetic order coexists with superfluidity, forming a supersolid phase.

Conclusions:

Quantum effects significantly alter the phase transitions in this disordered magnetic system.
Novel quantum phases emerge due to the interplay of competing orders.
The study provides insights into the rich physics of disordered quantum magnets.