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The performance of carbon nanotube (CNT) cables, a contender for copper-wire replacement, is tied to its metallic and semi-conducting-like conductivity responses with temperature; the origin of the semi-conducting-like response however is…

We report the electronic properties of single crystals of candidate nodal-line semimetal CaAgP. The transport properties of CaAgP are understood within the framework of a hole-doped nodal-line semimetal. In contrast, Pd-doped CaAgP shows a…

The last few years have seen significant experimental progress in characterizing the copper-based hole-doped high temperature superconductors in the regime of low hole density, p. Quantum oscillations, NMR, X-ray, and STM experiments have…

Strongly Correlated Electrons · Physics 2016-08-01 Debanjan Chowdhury , Subir Sachdev

In addition to Anderson and Mott localization, intrinsic phase separation has long been advocated as the third fundamental mechanism controlling the doping-driven metal-insulator transitions. In electronic system, where charge neutrality…

Strongly Correlated Electrons · Physics 2011-05-18 Hanna Terletska , Vladimir Dobrosavljević

The recent experiments revealed a remarkable possibility for the absence of the disparity between the phase diagrams of the electron- and hole-doped cuprate superconductors, while such an aspect should be also reflected in the dressing of…

Superconductivity · Physics 2021-01-12 Shuning Tan , Yiqun Liu , Yingping Mou , Shiping Feng

Altermagnetism, a recently identified magnetic phase that combines vanishing net magnetization with momentum-dependent spin splitting, challenges the conventional dichotomy between ferromagnets and antiferromagnets. While several candidate…

Ultrathin CrSBr flakes are exfoliated \emph{in situ} on Au(111) and Ag(111) and their electronic structure is studied by angle-resolved photoemission spectroscopy. The thin flakes' electronic properties are drastically different from those…

We experimentally investigate charge transport in In-CrSb and In-CrSb-In proximity devices, which are formed as junctions between superconducting indium leads and thick single crystal flakes of altermagnet CrSb. For double In-CrSb-In…

Mesoscale and Nanoscale Physics · Physics 2026-05-22 V. D. Esin , D. Yu. Kazmin , Yu. S. Barash , A. V. Timonina , N. N. Kolesnikov , E. V. Deviatov

We show, from first-principles calculations, that the hole-doped side of FeAs-based compounds is different from its electron-doped counterparts. The electron side is characterized as Fermi surface nesting, and SDW-to-NM quantum critical…

Superconductivity · Physics 2009-01-12 Gang Xu , Haijun Zhang , Xi Dai , Zhong Fang

Transistors realized on 2D antiferromagnetic semiconductor CrPS$_4$ exhibit large magnetoconductance, due to magnetic-field-induced changes in magnetic state. The microscopic mechanism coupling conductance and magnetic state is not…

Mesoscale and Nanoscale Physics · Physics 2023-09-11 Fan Wu , Marco Gibertini , Kenji Watanabe , Takashi Taniguchi , Ignacio Gutiérrez-Lezama , Nicolas Ubrig , Alberto F. Morpurgo

Time-reversal symmetry-breaking (TRSB) superconductivity has been reported in a growing number of materials. In some cases, TRSB arises naturally from chiral superconductivity, but in many low-symmetry systems this explanation is not…

Superconductivity · Physics 2025-10-21 Ilaria Maccari , Aline Ramires

Recent theoretical work highlighted unique properties of superconducting altermagnets, including the wealth of topologically non-trivial phases as well as their potential uses in spintronic applications. Given that no intrinsically…

Superconductivity · Physics 2025-09-05 Niclas Heinsdorf , Marcel Franz

The electronic orders appearing in condensed matter systems are originating from the precise arrangement of atoms constituting the crystal as well as their nature. This teneous relationship can lead to highly different phases in condensed…

Whether a quantum critical point (QCP) demarcates the end of the pseudogap (PG) regime in hole-doped cuprates at a singular doping level $p^* \approx 0.19$ remains an open question. A crucial part of this puzzle is how the carrier density…

This paper investigates the energy and angular momentum radiation of altermagnets under Rashba spin-orbit coupling (RSOC) and external magnetic fields. Using an effective low-energy Hamiltonian, we derive electronic energy bands and…

Mesoscale and Nanoscale Physics · Physics 2025-07-14 Yong-Mei Zhang , Zhi- Ping Niu

Herein, we report the discovery of a novel Gd-based magnetic compound GdPt$_2$B with a chiral crystal structure. X-ray diffraction and chemical composition analyses reveal a CePt$_2$B-type crystal structure (space group: $P6_422$) for…

Materials Science · Physics 2022-11-04 Yoshiki J. Sato , Hikari Manako , Yoshiya Homma , Dexin Li , Ryuji Okazaki , Dai Aoki

Transport measurements in the hole-doped cuprates show a "strange metal" normal state with an electrical resistance which varies linearly with temperature. This strange metal phase is often identified with the quantum critical region of a…

Strongly Correlated Electrons · Physics 2010-03-02 Subir Sachdev

The interplay of charge and spin orders lies at the heart of correlated electron physics and plays a critical role in the emergence of unconventional quantum phases. Kagome magnets provide a particularly promising platform to investigate…

Strongly Correlated Electrons · Physics 2025-10-07 Zihao Huang , Chenchao Xu , Yande Que , Yi Liu , Ranjith Shivajirao , Zheng Jue Tong , Amit Kumar , Chao Cao , Guang-Han Cao , Hong-Jun Gao , Bent Weber

The magnetic and dielectric properties of \aa kermanite Sr$_2$CoSi$_2$O$_7$ single crystals in high magnetic fields were investigated. We have observed finite induced electric polarization along the c axis in high fields, wherein all Co…

Strongly Correlated Electrons · Physics 2012-08-30 M. Akaki , H. Iwamoto , T. Kihara , M. Tokunaga , H. Kuwahara

Altermagnetism combines fully compensated magnetic order with a magnetic symmetry that relates inequivalent spin sublattices, offering a promising, still underexplored platform for unconventional topological phases. Here we show that both…

Materials Science · Physics 2026-01-23 Sumohan Giri , Nirmal Ganguli