BKT Phase Transitions in Magnetic Systems: Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-2D Ferromagnet K2CuF4
© The Physical Society of Japan
This article is on
Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn.
90,
014702
(2021)
.
Cryogenic Lorentz transmission electron microscopy directly shows that vortex and antivortex pairs emerge in a quasi-two-dimensional ferromagnet K2CuF4. This work may reveal the nature of Berezinskii, Kosterlitz, and Thouless phase transition in a magnetic system.
Formations of Narrow Stripes and Vortex–Antivortex Pairs in a Quasi-Two-Dimensional Ferromagnet K2CuF4
(JPSJ Editors' Choice)
J. Phys. Soc. Jpn.
90,
014702
(2021)
.
Share this topic
Fields
Related Articles
-
Unlocking a 40-Year-Old Mystery: Full-gap Spin-Triplet Superconductivity Unveiled in UBe13
Magnetic properties in condensed matter
Superconductivity
2026-8-12
Recent precise NMR measurements on the heavy-fermion superconductor UBe13 provided “smoking-gun” evidence for a fully-gapped spin-triplet superconducting state, opening a new chapter in the field.
-
Rumors Spread Wider Despite Low Transmissibility
Cross-disciplinary physics and related areas of science and technology
2026-8-7
This study proposes an SIS competition model that integrates rumor spread and opinion changes. This analysis reveals novel mechanisms for conflicting rumor coexistence, thus demonstrating that rumors paradoxically survive through low transmissibility.
-
Topological Defects as Seeds of Phase Separation: Insights from a Minimal Lattice Model
Cross-disciplinary physics and related areas of science and technology
Statistical physics and thermodynamics
2026-7-13
A minimal lattice model revealed that topological defects with winding number +1 serve as nucleation sites for phase separation in active matter systems.
-
A Deep Dive Into AI-Driven Materials Science
Cross-disciplinary physics and related areas of science and technology
2026-7-6
This review from the Journal of the Physical Society of Japan examines how artificial intelligence overcomes traditional materials science bottlenecks, highlighting the shift from intuition-based discovery to data-driven innovation.
-
Peculiar Magnet Pointing Against an Applied Magnetic Field
Cross-disciplinary physics and related areas of science and technology
Magnetic properties in condensed matter
2026-7-1
TbNiC2 exhibits negative magnetization. A new mechanism, based on the coupling between the charge density wave and the antiferromagnetic order, is proposed to account for this peculiar phenomenon.