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We investigate the conductivity in layered metals in magnetic field in the weakly incoherent limit, when the interlayer transfer integral is smaller than the Landau level broadening due to the impurity potential, but the interlayer electron…

Mesoscale and Nanoscale Physics · Physics 2011-11-11 Pavel D. Grigoriev

Localization properties of the doped Z_2-topological insulator are studied by weak localization theory. The disordered Kane-Mele model for graphene is taken as a prototype, and analyzed with attention to effects of the topological mass…

Mesoscale and Nanoscale Physics · Physics 2009-11-27 Ken-Ichiro Imura , Yoshio Kuramoto , Kentaro Nomura

We study the interplay between superconductivity and altermagnetism in disordered systems using recently derived quantum kinetic transport equations. Starting from this framework, we derive the Ginzburg-Landau free energy and identify, in…

Superconductivity · Physics 2026-05-05 Rodrigo de las Heras , Tim Kokkeler , Stefan Ilić , Ilya V. Tokatly , F. Sebastian Bergeret

We evaluate the localization length of the wave solution of a random potential characterized by an arbitrary autocorrelation function. We go beyond the Born approximation to evaluate the localization length using a non-linear approximation…

Disordered Systems and Neural Networks · Physics 2020-01-08 Hichem Eleuch , Michael Hilke

Resonant behavior involving spin-orbit entangled states occurs for spin transport along a narrow channel defined in a two-dimensional electron gas, including an apparent rapid relaxation of the spin polarization for special values of the…

Mesoscale and Nanoscale Physics · Physics 2014-04-02 D. H. Berman , M. Khodas , M. E. Flatté

The weak magnetic field induced reduction of the low-temperature superfluid density in cuprate superconductors is studied based on the kinetic energy driven superconducting mechanism. The electromagnetic response kernel is evaluated by…

Superconductivity · Physics 2011-05-06 Zheyu Huang , Huaisong Zhao , Shiping Feng

The spin relaxation rate $1/\tau_s (W)$ in disordered quantum wires with Rashba and Dresselhaus spin-orbit coupling is derived analytically as a function of wire width $W$. It is found to be diminished when $W$ is smaller than the bulk…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 S. Kettemann

We investigate elliptical Wilson loops in ${\cal N}=4$ Super Yang--Mills theory at weak and strong coupling for small values of the eccentricity. We obtain analytical results for the vacuum expectation value of the Wilson loop in the form…

High Energy Physics - Theory · Physics 2025-09-15 Thales Azevedo , Alfonso Ballon-Bayona , Leonardo Pazito

We introduce the concept of weak-localization for generalized frames and use this concept to define a class of weakly localized operators. This class contains many important operators, including: Short Time Fourier Transform multipliers,…

Functional Analysis · Mathematics 2015-08-05 Fawwaz Batayneh , Mishko Mitkovski

This paper introduces the notion of weak rigidity to characterize a framework by pairwise inner products of inter-agent displacements. Compared to distance-based rigidity, weak rigidity requires fewer constrained edges in the graph to…

Systems and Control · Computer Science 2018-04-10 Gangshan Jing , Guofeng Zhang , Heung Wing Joseph Lee , Long Wang

Despite enormous efforts devoted to the study of the many-body localization (MBL) phenomenon, the nature of the high-energy behavior of the Heisenberg spin chain in a strong random magnetic field is lacking consensus. Here, we take a step…

Disordered Systems and Neural Networks · Physics 2024-09-17 Jeanne Colbois , Fabien Alet , Nicolas Laflorencie

Weyl semimetals are topological materials that provide a condensed-matter realization of the chiral anomaly. A positive longitudinal magnetoconductance quadratic in magnetic field has been promoted as a diagnostic for this anomaly. By…

Mesoscale and Nanoscale Physics · Physics 2020-05-13 Andy Knoll , Carsten Timm , Tobias Meng

Longitudinal spin transport in diluted magnetic semiconductor superlattices is investigated theoretically. The longitudinal magnetoconductivity (MC) in such systems exhibits an oscillating behavior as function of an external magnetic field.…

Condensed Matter · Physics 2009-11-07 Kai Chang , J. B. Xia , F. M. Peeters

We report partial progress on the weak coupling limit behavior of observables for the periodic quantum Lorentz gas. Our results indicate that for certain observables, the limit behavior is trivial and can be described via a transport…

Mathematical Physics · Physics 2026-01-13 Massimiliano Gubinelli , Vishnu Sanjay

Quantum particles in a disordered potential, photons or classical waves in a random medium, or the universe expansion in a fluctuating cosmic field, all share Anderson localization as a communality. In general, localization is enhanced for…

Disordered Systems and Neural Networks · Physics 2015-09-07 Hichem Eleuch , Michael Hilke

In dimension three, the existence of global weak solutions to the axisymmetric simplified Ericksen-Leslie system without swirl is established. This is achieved by analyzing weak convergence of solutions of the axisymmetric Ginzburg-Landau…

Analysis of PDEs · Mathematics 2024-03-28 Joshua Kortum , Changyou Wang

In this paper, we introduce new concepts of weak rigidity matrix and infinitesimal weak rigidity for planar frameworks. The weak rigidity matrix is used to directly check if a framework is infinitesimally weakly rigid while previous work…

Systems and Control · Computer Science 2018-03-28 Seong-Ho Kwon , Minh Hoang Trinh , Koog-Hwan Oh , Shiyu Zhao , Hyo-Sung Ahn

We study the energy spectrum of the composite magnetic monopole (CMM) in the model originally constructed in arXiv:1608.06951 to examine how the applicability of the weak gravity conjecture (WGC) propagates to lower energy scales in the…

High Energy Physics - Theory · Physics 2025-09-12 Moreshwar Pathak , Kazuyuki Furuuchi

Weak localization in graphene is studied as a function of carrier density in the range from 1 x $10^{11}$\,cm$^{-2}$ to 1.43 x $10^{13}$\,cm$^{-2}$ using devices produced by epitaxial growth onto SiC and CVD growth on thin metal film. The…

The relationship between the universal conductance fluctuation and the weak localization effect in monolayer graphene is investigated. By comparing experimental results with the predictions of the weak localization theory for graphene, we…

Mesoscale and Nanoscale Physics · Physics 2017-03-22 D. Terasawa , A. Fukuda , A. Fujimoto , Y. Ohno , Y. Kanai , K. Matsumoto