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Thermodynamic Property of a CMOS Device beyond Landauer Limit
2024-1-23
Focusing on a CMOS NAND GATE operating in a sub-threshold region, the thermodynamic cost of computation was analyzed in relation to input/output voltages surpassing the Landauer limit.
Statistical physics and thermodynamics
Electronic transport in condensed matter
Cross-disciplinary physics and related areas of science and technology
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Investigating Unitarity Violation of Lee–Wick’s Complex Ghost with Quantum Field Theory
2024-1-19
Theories with fourth-order derivatives like Lee–Wick’s quantum electrodynamics model or quadratic gravity result in complex ghosts above a definite energy threshold that violate unitarity.
Theoretical Particle Physics
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Current Melt Frozen Electrons
2024-1-15
The origin of the current-induced insulator-to-metal transition of samarium monosulfide was explained by the 4f−5d hybridization observed using optical reflectivity and photoelectron spectroscopies.
Dielectric, optical, and other properties in condensed matter
Magnetic properties in condensed matter
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Towards Uncovering the Hidden Order of URu2Si2 Phase Transition
2024-1-11
We propose a chiral charge as the hidden order parameter in URu2Si2 and present experiments to detect it by focusing on breakings of mirror and inversion symmetries at the local uranium ion.
Magnetic properties in condensed matter
Electronic structure and electrical properties of surfaces and nanostructures
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Possible Origin of High Thermoelectric Power Factor in Ultrathin FeSe: A Two-band Model
2023-12-21
The high thermoelectric power factor observed in ultrathin FeSe can be theoretically explained by a two-band model with chemical potential between upper and lower band bottoms.
Electronic structure and electrical properties of surfaces and nanostructures
Structure and mechanical and thermal properties in condensed matter
Cross-disciplinary physics and related areas of science and technology
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Quantum Dripping of Superfluid 4He
2023-12-15
Superfluid 4He droplets exhibit robustly quantized dripping periods despite gradually varying input flow rates owing to their high amplitude and undamped oscillation.
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One-Way Optical Waveguide Realized by Edge Modes of Topological Photonic Crystals
2023-12-12
A one-way optical waveguide was realized on the boundary between two types of photonic crystals with different topological properties, which were demonstrated by high-resolution infrared reflection measurements.
Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics
Dielectric, optical, and other properties in condensed matter
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PICKUP
Exploring Recent Advances in the Physics of Biofluid Locomotion
2023-12-8
This Special Topics Edition of the JPSJ describes the latest advances in the field of biofluid locomotion, shedding light on the underlying physics behind the movement of organisms that swim and fly.
Measurement, instrumentation, and techniques
Cross-disciplinary physics and related areas of science and technology
Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics
Statistical physics and thermodynamics
Mathematical methods, classical and quantum physics, relativity, gravitation, numerical simulation, computational modeling
Structure and mechanical and thermal properties in condensed matter
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Magnetic Excitation in S = 1/2 Antiferromagnetic Chain CsCoCl3 with Ising-Like Exchange Interaction
2023-11-13
The results of high-field electron spin resonance measurements in the millimeter-wave to terahertz region reveal unconventional magnetic excitation in S = 1/2 one-dimensional antiferromagnets.
Magnetic properties in condensed matter
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PICKUP
Highly Accurate Estimation of Beta Decay Rates for Heavy Nuclei
2023-11-7
Physicists from Japan present complete formulas that consider the induced current and velocity-dependent terms for estimating the beta decay rates in heavy nuclei with high accuracy.
Nuclear physics