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    • Applied Mathematics, Socio- and Econophysics(0)
    • Astrophysics, cosmology, and geophysics(2)
    • Atomic and Molecular Physics, Quantum Electronics, Radiation(0)
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  • NEW
    Powered by Machine Learning: Obtaining Spectral Conductivity and Chemical Potential of Thermoelectric Materials from Experimental Data

    Powered by Machine Learning: Obtaining Spectral Conductivity and Chemical Potential of Thermoelectric Materials from Experimental Data

    2023-1-31

    We propose a machine-learning method to obtain the fundamental physical quantity, namely, the spectral conductivity, from experimental data of thermoelectric coefficients. Our study introduces a new data-driven approach that reveals the underlying low-energy electronic states of high-performance thermoelectric materials.

    Structure and mechanical and thermal properties in condensed matter

    Read more
  • NEW
    Net-Pattern of Muskmelon Rind Favors a Common Mathematical Law

    Net-Pattern of Muskmelon Rind Favors a Common Mathematical Law

    2023-1-12

    The surface of muskmelon is covered with a fine mesh-like net-pattern. The geometric features of the fine mesh appear unique for each individual, but hide an unexpected mathematical rule.

    Cross-disciplinary physics and related areas of science and technology

    Statistical physics and thermodynamics

  • Thickness-Dependent Oscillation Behavior of Magnetic Phase Transitions in Pt Ultrathin Films with Small Orbital Moment

    Thickness-Dependent Oscillation Behavior of Magnetic Phase Transitions in Pt Ultrathin Films with Small Orbital Moment

    2023-1-6

    Ferromagnetism in nano-Pt films originates from the quantum-confinement effect that depends on film thickness. Studies of the electronic states of nano-Pt will aid in developing methods for efficiently utilizing its large spin-orbit coupling.

    Magnetic properties in condensed matter

  • PICKUP
    Phonon Simulations and Its Applications

    Phonon Simulations and Its Applications

    2022-12-26

    Computation of phonons using first principles has many applications for understanding crystal properties. This review provides an overview of the present capabilities of such simulations using finite displacement supercell approach.

    Structure and mechanical and thermal properties in condensed matter

  • PICKUP
    High Magnetic Field as a Tool for Discovery in Condensed Matter Physics

    High Magnetic Field as a Tool for Discovery in Condensed Matter Physics

    2022-12-13

    The Journal of the Physical Society of Japan highlights in this special topic recent advances in modern physics that have been realized with the generation of pulsed high magnetic fields.

    Magnetic properties in condensed matter

    Dielectric, optical, and other properties in condensed matter

    Electronic transport in condensed matter

    Structure and mechanical and thermal properties in condensed matter

    Electron states in condensed matter

    Electronic structure and electrical properties of surfaces and nanostructures

    Measurement, instrumentation, and techniques

  • PICKUP
    Terahertz Radiation as a Tool for Exploring Material Properties

    Terahertz Radiation as a Tool for Exploring Material Properties

    2022-12-8

    Researchers from Japan highlight, in a recent review, the range of material properties that can be and have been studied using the phenomenon of femtosecond laser-induced terahertz radiation emission.

    Dielectric, optical, and other properties in condensed matter

  • Insights into the Overlooked Electric Ferro-Axial Ordering

    Insights into the Overlooked Electric Ferro-Axial Ordering

    2022-12-1

    We theoretically demonstrate spin related conductivity under electric ferro-axial ordering. We show an intrinsic generation of a spin current parallel to an applied electric field in metals and insulators.

  • Understanding the Obscure Antiferromagnetism in α-Mn by Nuclear Magnetic Resonance

    Understanding the Obscure Antiferromagnetism in α-Mn by Nuclear Magnetic Resonance

    2022-11-29

    Although Mn is an elementary metal, the antiferromagnetic state of α-Mn is still obscure. Our NMR study on high-quality α-Mn provides new insights into the symmetry of its antiferromagnetism.

    Magnetic properties in condensed matter

  • Theoretical Assessment of F-wave Bottom Mesons and Their Properties

    Theoretical Assessment of F-wave Bottom Mesons and Their Properties

    2022-11-24

    We use heavy quark effective theory to study F-wave bottom mesons. Using theory and experimental data, we calculate their masses and analyze their decay widths to estimate the upper bound to the associated couplings.

    Theoretical Particle Physics

  • PICKUP
    Towards a Better Understanding of the Short-range Repulsive Nuclear Force

    Towards a Better Understanding of the Short-range Repulsive Nuclear Force

    2022-11-21

    In a new study, researchers provide an experimental estimate of the short-range repulsive nuclear force strength based on a high-statistics measurement of the differential cross-section for Σ+p scattering.

    Nuclear physics

  • Observing the de Haas–van Alphen Effect to Unveil the Electronic Structure of UTe2 Superconductor

    Observing the de Haas–van Alphen Effect to Unveil the Electronic Structure of UTe2 Superconductor

    2022-11-16

    The topology of Fermi surfaces with heavy effective masses in strongly correlated topological superconductor UTe2 was investigated using quantum oscillation measurements and theoretical calculations.

    Electron states in condensed matter

    Superconductivity

  • Strange Metal Behavior Potentially Associated to Hidden Electronic Nematicity

    Strange Metal Behavior Potentially Associated to Hidden Electronic Nematicity

    2022-11-10

    Iron-based superconductor, Ba1-xRbxFe2As2, exhibits “strange metal” behavior—linear dependence of resistivity on temperature. It seems that hidden electronic nematic fluctuations play a greater role than the well-known antiferromagnetic fluctuations.

    Superconductivity

    Electronic transport in condensed matter

  • Thermoelectric Response in Strongly Disordered Systems

    Thermoelectric Response in Strongly Disordered Systems

    2022-11-7

    Based on the Kubo–Luttinger linear response theory, we discovered that the low-T Seebeck coefficient for Mott variable-range hopping in a d-dimensional system varies as S ∝ Td/(d+1), which is different from the conventional S ∝ T(d−1)/(d+1). In addition, the experimental data for S of CuCrTiS4 at low T are in excellent agreement with our prediction S ∝ T3/4 (d = 3).

    Electronic transport in condensed matter

  • Representations of KBc Algebra for Generating String Field Theory Solutions

    Representations of KBc Algebra for Generating String Field Theory Solutions

    2022-10-31

    We propose a general method for generating solutions in string field theory from a solution constructed using KBc algebra, and reproduce known solutions constructed earlier using different methods.

    Theoretical Particle Physics

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Fields

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  • Astrophysics, cosmology, and geophysics (2)
  • Atomic and Molecular Physics, Quantum Electronics, Radiation (0)
  • Atomic and molecular physics (1)
  • Beam Physics (1)
  • Cosmic Rays/Astrophysics (0)
  • Cross-disciplinary physics and related areas of science and technology (14)
  • Dielectric, optical, and other properties in condensed matter (13)
  • Electromagnetism, optics, acoustics, heat transfer, and classical and fluid mechanics (3)
  • Electron states in condensed matter (10)
  • Electronic structure and electrical properties of surfaces and nanostructures (13)
  • Electronic transport in condensed matter (22)
  • Elementary particles, fields, and strings (8)
  • Experimental Nuclear Physics (0)
  • Experimental Particle Physics (1)
  • Fundamental Theory of Condensed Matter Physics, Statistical Mechanics, Fluid Dynamics, (1)
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  • Soft Matter Physics, Chemical Physics, Biophysics (0)
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  • Structure and mechanical and thermal properties in condensed matter (22)
  • Superconductivity (19)
  • Surfaces & Interfaces, Crystal Growth (0)
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