
NEW
Exploring the Thermoelectric Properties of Nitrogendoped Carbon Nanotubes
2021929
A semiconducting carbon nanotube doped with an optimal concentration of nitrogen delivered a thermoelectric power substantially higher than that delivered by commercial Bi_{2}Te_{3} alloys.
Electronic transport in condensed matter
Structure and mechanical and thermal properties in condensed matter
Crossdisciplinary physics and related areas of science and technology

PICKUP
Designing a New Spaceborne Interferometer to Probe the History of Our Universe
2021922
Scientists present a new design for a spaceborn laser interferometer that could detect gravitational waves below 10 Hz, letting us probe into new astrophysical phenomena.
Astrophysics, cosmology, and geophysics

Finding Pattern in Randomness: Brownian Motion of Skyrmions
202197
The chiral properties of the Brownian motion of magnetic skyrmions in one and twodimensional systems in thermal equilibrium are reported.
Structure and mechanical and thermal properties in condensed matter
Electronic transport in condensed matter
Magnetic properties in condensed matter

PICKUP
Generalizing Poisson Algebra with Geometry
202196
Using a differential geometric interpretation of Hamiltonian mechanics, a generalized Poisson bracket formulation is developed for a threedimensional phase space characterized by a triplet of canonical variables.
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling

Nonlinear Thermoelectric Transport Will Open a New and Exotic Way to Detect Topological Nature of Dirac Electrons in Solids
2021825
Recently, it was proposed that a novel nonlinear anomalous Ettingshausen effect enabled a new and exotic approach to observe topological nature of Dirac electrons in solids using thermoelectric properties.
Electronic transport in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
Structure and mechanical and thermal properties in condensed matter

Semiconductor to Semimetal to Superconductor: An Excitonic Journey
2021816
A phase diagram was constructed for Ta_{2}NiSe_{5}, a promising candidate for excitonic insulators, using high pressure as a tuning parameter. The results indicated pressureinduced superconductivity in the semimetallic phase.
Superconductivity
Electronic transport in condensed matter

Exploring the Physics of Ferrimagnets for Future Spintronics Applications
202186
This Special Topics collection of the Journal of the Physical Society of Japan covers recent progress in spintronics research on ferrimagnetic materials.
Structure and mechanical and thermal properties in condensed matter
Electronic transport in condensed matter
Magnetic properties in condensed matter
Crossdisciplinary physics and related areas of science and technology

Understanding Skyrmion Crystal Formation in EuPtSi
202182
We theoretically demonstrate that the interplay between the spincharge and spinorbit couplings in itinerant magnets stabilizes fielddirection sensitive, shortperiod skyrmions. Our results can aid in engineering shortperiod skyrmions.
Magnetic properties in condensed matter

Will Magnetic Properties near Pressure Induced Quantum Critical Phenomena Be Elucidated?
2021726
Hiraoka et al. developed an opposed anviltype pressure cell for magnetization measurements which combines a large sample space and is capable of generating higher pressures up to 6.3 GPa.
Measurement, instrumentation, and techniques
Magnetic properties in condensed matter

PTEP SPECIAL SECTION
Atoms Trapped with Light Behave Like a Dissipative Quantum System
2021719
A team of researchers from Japan experimentally realize, for the first time, a dissipative, paritytime symmetric, manybody quantum system from ultracold atoms trapped in an optical lattice.
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Gases, plasmas, electric discharges, and beams