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Article
Open AccessMeasurement of branching-fraction ratios and CP asymmetries in B± → DCP±K± decays at Belle and Belle II
We report results from a study of B± → DK± decays followed by D decaying to the CP-even final state K+K− and CP-odd final state ...
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Article
Open AccessMeasurement of CP asymmetries and branching-fraction ratios for B± → DK± and Dπ± with D → \( {K}_{\textrm{S}}^0 \) K±π∓ using Belle and Belle II data
We measure CP asymmetries and branching-fraction ratios for B± → DK± and Dπ± decays with D → K ...
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Article
Open AccessOrbital-selective charge-density wave in TaTe4
TaTe4, a metallic charge-density wave (CDW) material discovered decades ago, has attracted renewed attention due to its rich interesting properties, such as pressure-induced superconductivity and candidate nontri...
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Article
Crossed Luttinger liquid hidden in a quasi-two-dimensional material
Although the concept of the Luttinger liquid (LL) describing a one-dimensional (1D) interacting fermion system1,2 collapses at higher dimensions, it has been proposed to be relevant to enigmatic problems in conde...
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Article
Open AccessElectrons with Planckian scattering obey standard orbital motion in a magnetic field
In various so-called strange metals, electrons undergo Planckian dissipation1,2, a strong and anomalous scattering that grows linearly with temperature3, in contrast to the quadratic temperature dependence expect...
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Article
Open AccessBand-selective Holstein polaron in Luttinger liquid material A0.3MoO3 (A = K, Rb)
(Quasi-)one-dimensional systems exhibit various fascinating properties such as Luttinger liquid behavior, Peierls transition, novel topological phases, and the accommodation of unique quasiparticles (e.g., spi...
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Article
Chiral phonons in the pseudogap phase of cuprates
The nature of the pseudogap phase of cuprates remains a major puzzle1,2. One of its signatures is a large negative thermal Hall conductivity3, whose origin is as yet unknown. This is observed even in the undoped ...
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Article
Giant thermal Hall conductivity in the pseudogap phase of cuprate superconductors
The nature of the pseudogap phase of the copper oxides (‘cuprates’) remains a puzzle. Although there are indications that this phase breaks various symmetries, there is no consensus on its fundamental nature1. Fe...
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Article
Thermodynamic signatures of quantum criticality in cuprate superconductors
The three central phenomena of cuprate (copper oxide) superconductors are linked by a common do** level p*—at which the enigmatic pseudogap phase ends and the resistivity exhibits an anomalous linear dependence...
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Article
Open AccessPseudogap phase of cuprate superconductors confined by Fermi surface topology
The properties of cuprate high-temperature superconductors are largely shaped by competing phases whose nature is often a mystery. Chiefly among them is the pseudogap phase, which sets in at a do** p* that is m...
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Article
Open AccessJahn-Teller distortion driven magnetic polarons in magnetite
The first known magnetic mineral, magnetite, has unusual properties, which have fascinated mankind for centuries; it undergoes the Verwey transition around 120 K with an abrupt change in structure and electric...
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Article
Competition between heavy fermion and Kondo interaction in isoelectronic A-site-ordered perovskites
With current research efforts shifting towards the 4d and 5d transition metal oxides, understanding the evolution of the electronic and magnetic structure as one moves away from 3d materials is of critical import...
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Article
Open AccessZhang-Rice physics and anomalous copper states in A-site ordered perovskites
In low dimensional cuprates several interesting phenomena, including high Tc superconductivity, are deeply connected to electron correlations on Cu and the presence of the Zhang-Rice (ZR) singlet state. Here, we ...
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Article
Open AccessHigh pressure route to generate magnetic monopole dimers in spin ice
The gas of magnetic monopoles in spin ice is governed by one key parameter: the monopole chemical potential. A significant variation of this parameter could access hitherto undiscovered magnetic phenomena aris...
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Article
Enhancement of the Nernst effect by stripe order in a high-Tc superconductor
The Nernst effect in metals is highly sensitive to two kinds of phase transition: superconductivity and density-wave order. The large positive Nernst signal observed in hole-doped high-Tc superconductors above th...
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Article
Linear temperature dependence of resistivity and change in the Fermi surface at the pseudogap critical point of a high-Tc superconductor
Transport measurements in a high-temperature superconductor provide evidence that the so-called pseudogap phase ends at a quantum critical point located inside the superconducting dome in the phase diagram of ...
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Chapter
Orbital Ordering and Vibronic States in Manganese Perovskites
The structural, magnetic, and transport properties of LaMnO3 reveal a progressive change from a static orbital ordering into (001) planes at temperatures T < T* ≈ 600 K to a 2D orbital disorder in the interval T*...
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Chapter
Transport Properties
The resistivity ρ(T) and thermoelectric power α(T) under different hydrostatic pressures are correlated with structure and other physical properties of single-valent and mixed-valent AMO3 perovskites in which M i...
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Article
Localized-Itinerant and Mott–Hubbard Transitions in Several Perovskites
The localized-itinerant and Mott–Hubbard transitions in single-valent perovskites are distinguished. The approach to the Mott–Hubbard transition from the itinerant-electron side is characterized by the appeara...
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Chapter and Conference Paper
Structural Sensitivity of Transport Properties of the High-T c Cuprates
Experiments demonstrating the structural sensitivity of the transport properties of the high-T c copper oxides are reviewed. The superconductive phase is an intermediate phase appearing betwe...
