FieldsStatistical physics and thermodynamics

Phase Transition and Its Universality Class for a Quantum Spin Chain
2021329
We numerically diagonalize the DimerTrimer (DT) model Hamiltonian around the SU(3) symmetric point. As a result, we discover the phase transition at this point which belongs to the BerezinskiiKosterlitzThouless (BKT)like universality class.
Statistical physics and thermodynamics
Magnetic properties in condensed matter

Splitting Walls: Interplay of Different Orders in Multiferroic Materials
2021329
We theoretically showed an intrinsic splitting instability of composite domain walls in multiferroic materials under field drive. This instability is a direct result of the coexistence of multiple orders in the system.
Magnetic properties in condensed matter
Statistical physics and thermodynamics

Reducing the Number of Tests Using Bayesian Inference to Identify Infected Patients in Group Testing
2021322
Group testing is a method of identifying infected patients by performing tests on a pool of specimens. Bayesian inference and a corresponding belief propagation (BP) algorithm are introduced to identify the infected patients in group testing.
Statistical physics and thermodynamics
Crossdisciplinary physics and related areas of science and technology

How is Brownian Motion Affected by a Fluctuating Random Surface?
2021315
A researcher has developed a new theory to describe the Brownian motion of a small object that is confined in a fluctuating random surface.
Statistical physics and thermodynamics
Structure and mechanical and thermal properties in condensed matter

Using Analogy to Understand Localization in Quantum Annealing
2021315
Localization may cause the inefficiency of quantum annealing. The constrained quantum annealing of graph coloring provides a new viewpoint to analyze localization phenomena in quantum annealing.
Statistical physics and thermodynamics

What Dictates Nonlinear Behavior in Strongly Correlated Insulators?
202133
The nonlinear conduction (the deviation from Ohm's law) has been discovered universally in various correlated materials. This may be explained by the percolation conduction in disordered materials.
Electronic transport in condensed matter
Statistical physics and thermodynamics