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We use temperature- and field-dependent resistivity measurements [Shubnikov--de Haas (SdH) quantum oscillations] and ultrahigh resolution, tunable, vacuum ultraviolet (VUV) laser-based angle-resolved photoemission spectroscopy (ARPES) to…

Materials Science · Physics 2017-05-24 Yun Wu , Na Hyun Jo , Daixiang Mou , Lunan Huang , S. L. Bud'ko , P. C. Canfield , Adam Kaminski

Angle-resolved photoemission spectroscopy (ARPES) has played an important role in determining the band structure and the superconducting gap structure of iron-based superconductors. Here from the ARPES perspective, we briefly review the…

Superconductivity · Physics 2015-06-16 Z. R. Ye , Y. Zhang , B. P. Xie , D. L. Feng

Weak antilocalization measurements has become a standard tool for studying quantum coherent transport in topological materials. It is often used to extract information about number of conducting channels and dephasing length of topological…

Mesoscale and Nanoscale Physics · Physics 2018-12-21 K. Dybko , G. P. Mazur , W. Wolkanowicz , M. Szot , P. Dziawa , J. Z. Domagala , M. Wiater , T. Wojtowicz , G. Grabecki , T. Story

The measurement of topological number is crucial in the research of topological systems. Recently, the relations between the topological number and the dynamics are built. But a direct method to read out the topological number via the…

Quantum Physics · Physics 2022-08-17 Pei-Ling Huang , Chao Ma , Xiang-Long Yu , Jiansheng Wu

Point-contact Andreev reflection spectroscopy (PCAR) has proven to be one of the most powerful tools in the investigation of superconductors, where it provides information on the order parameter (OP), a fundamental property of the…

Superconductivity · Physics 2013-01-18 D. Daghero , M. Tortello , G. A. Ummarino , R. S. Gonnelli

Upcoming spectroscopic galaxy surveys are extremely promising to help in addressing the major challenges of cosmology, in particular in understanding the nature of the dark universe. The strength of these surveys comes from their…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-27 F. Lanusse , A. Rassat , J. -L. Starck

We visualize the topological ladder and band inversions in PtTe$_2$ using spin-polarized photoemission spectroscopy augmented by three-dimensional momentum imaging. This approach enables the detection of spin polarization in dispersive…

There have been several proposals for platforms sustaining topological superconductivity in high temperature superconductors, in order to make use of the larger superconducting gap and the expected robustness of Majorana zero modes towards…

Superconductivity · Physics 2024-07-29 Mainak Pal , Andreas Kreisel , P. J. Hirschfeld

Topological states of matter emergent as a new type of quantum phases, which can be distinguished by their associated topological invariants, e.g., Chern numbers. Currently, there is increasing in-terests toward the physically detection of…

Quantum Physics · Physics 2015-12-11 Jian Xu

We demonstrate that multipartite entanglement is able to characterize one-dimensional symmetry-protected topological order, which is witnessed by the scaling behavior of the quantum Fisher information of the ground state with respect to the…

Quantum Physics · Physics 2018-06-22 Yu-Ran Zhang , Yu Zeng , Heng Fan , J. Q. You , Franco Nori

We present a numerical macrospin model for harmonic voltage detection in multilayer spintronic devices. The core of the computational backend is based on the Landau-Lifshitz-Gilbert-Slonczewski equation, which combines high performance with…

Topological materials discovery has emerged as an important frontier in condensed matter physics. While theoretical classification frameworks have been used to identify thousands of candidate topological materials, experimental…

A striking example of frustration in physics is Hofstadter's butterfly, a fractal structure that emerges from the competition between a crystal's lattice periodicity and the magnetic length of an applied field. Current methods for…

Mesoscale and Nanoscale Physics · Physics 2025-03-04 Catalin D. Spataru , Wei Pan , Alexander Cerjan

Momentum microscopy (MM) is a novel way of performing angular-resolved photoelectron spectroscopy (ARPES). Combined with time-of-flight (ToF) energy recording, its high degree of parallelization is advantageous for photon-hungry experiments…

Materials Science · Physics 2024-06-19 Gerd Schönhense , Hans-Joachim Elmers

This work presents a polyhedral scaled boundary finite element method (PSBFEM) for three dimensional seepage analysis. We first derive the scaled boundary formulation for 3D seepage problems, and subsequently incorporate Wachspress shape…

Numerical Analysis · Mathematics 2025-06-11 Mingjiao Yan , Yang Yang , Zongliang Zhang , Dengmiao Hao , Chao Su , Qingsong Duan

Angle Resolved Photoemission Spectroscopy (ARPES) probes the momentum-space electronic structure of materials, and provides invaluable information about the high-temperature superconducting cuprates. Likewise, the cuprate real-space,…

Superconductivity · Physics 2009-10-27 I. M. Vishik , B. Moritz , E. A. Nowadnick , W. S. Lee , K. Tanaka , T. Sasagawa , T. Fujii , T. P. Devereaux , Z. X. Shen

We briefly review the advanced mathematical language of fiber bundle structures and how they can be used to classify two-level quantum systems based on the analysis of the topological properties of their sets of state vectors. The…

Quantum Physics · Physics 2023-03-13 V. Nam Do

Disorder in magnetic materials prevents reliable control of spin textures and constrains their integration into spintronic devices. Existing methods access disorder only indirectly through external imaging probes or bulk transport…

Mesoscale and Nanoscale Physics · Physics 2026-03-03 Liam K. Mitchell , Benjamin J. Brown , Gang Xiao

A methodology is proposed, which addresses the caveat that line-of-sight emission spectroscopy presents in that it cannot provide spatially resolved temperature measurements in nonhomogeneous temperature fields. The aim of this research is…

Machine Learning · Computer Science 2022-12-16 Ruiyuan Kang , Dimitrios C. Kyritsis , Panos Liatsis

The computation and analysis of photoelectron spectra (PES) is a fundamental technique in atomic and molecular physics to study the structural and dynamical properties of a target system, and to gain insight into the process of its…

Computational Physics · Physics 2016-12-02 F. Morales , T. Bredtmann , S. Patchkovskii