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We analyze the pinning of vortices for a stationary rotating dipolar supersolid along the low-density paths between droplets as a function of the rotation frequency. We restrict ourselves to the stationary configurations of vortices with…

Quantum Gases · Physics 2024-10-01 Aitor Alaña , Michele Modugno , Pablo Capuzzi , D. M. Jezek

We present a detailed study on the magnetic order in the undoped mother compound LaOFeAs of the recently discovered Fe-based superconductor LaO$_{1-x}$F$_x$FeAs. In particular, we present local probe measurements of the magnetic properties…

There is immense interest in how the local environment influences the electronic structure of materials at the single layer limit. We characterize moir\'e induced spatial variations in the electronic structure of in-situ grown monolayer…

Experiments have observed superconductivity in atomically-thin metallic layers deposited on semiconducting substrates. As in any superconductor, it is important to determine the structure of the superconducting pairing function in order to…

Superconductivity · Physics 2023-05-19 B. A. Levitan , J. Eid , T. Pereg-Barnea

We investigate the excited states of the quasi-one-dimensional quantum antiferromagnets on hexagonal lattices, including the longitudinal modes based on the magnon-density waves. A model Hamiltonian with a uniaxial single-ion anisotropy is…

Strongly Correlated Electrons · Physics 2015-06-12 M. Merdan , Y. Xian

We report self-consistent quasiclassical calculations of spontaneous currents and magnetic moments in finite size unconventional superconducting systems, namely: (i) in isolated d-wave superconductor islands where, in addition to the…

Superconductivity · Physics 2009-11-07 M. H. S. Amin , S. N. Rashkeev , M. Coury , A. N. Omelyanchouk , A. M. Zagoskin

While the influence of impurities on the local density of states (LDOS) in a metal is notoriously non-local due to interference effects, low order moments of the LDOS in general can be shown to depend only on the local structure of the…

Superconductivity · Physics 2009-11-11 R. Jamei , J. Robertson , E-A. Kim , A. Fang , A. Kapitulnik , S. A. Kivelson

We demonstrate an efficient numerical method for obtaining unique solutions to the Eilenberger equation for a mesoscopic or nanoscale superconductor. In particular, we calculate the local density of states of a circular d-wave island…

Superconductivity · Physics 2012-10-01 Yuki Nagai , K. Tanaka , Nobuhiko Hayashi

We study the spin-resolved spectral properties of the impurity states associated to the presence of magnetic impurities in two-dimensional, as well as one-dimensional systems with Rashba spin-orbit coupling. We focus on Shiba bound states…

Mesoscale and Nanoscale Physics · Physics 2016-10-19 V. Kaladzhyan , P. Simon , C. Bena

The interface electronic structure of correlated LaTiO$_3$/SrTiO$_3$ superlattices is investigated by means of the charge self-consistent combination of the local density approximation (LDA) to density functional theory (DFT) with dynamical…

Strongly Correlated Electrons · Physics 2013-06-07 Frank Lechermann , Lewin Boehnke , Daniel Grieger

We study the problem of two local potential scatterers in a d-wave superconductor, and show how quasiparticle bound state wave functions interfere. Each single-impurity electron and hole resonance energy is in general split in the presence…

Superconductivity · Physics 2009-11-07 Lingyin Zhu , W. A. Atkinson , P. J. Hirschfeld

Nanoscale inhomogeneity seems to be a central feature of the d-wave superconductivity in the cuprates. Such a feature can strongly affect the local density of states (LDOS) and the spectral weight functions. Within the Bogoliubov-de Gennes…

Superconductivity · Physics 2007-05-23 Ming Cheng , W. P. Su

We study the local density of states (LDOS) of two-dimensional electrons in the presence of spin-orbit (SO) coupling. Although SO coupling has no effect on the average density of states, it manifests itself in the correlations of the LDOS.…

Disordered Systems and Neural Networks · Physics 2009-11-10 V. M. Apalkov , M. E. Raikh , B. Shapiro

Taking into account that a proper description of disordered systems should focus on distribution functions, the authors develop a powerful numerical scheme for the determination of the probability distribution of the local density of states…

Disordered Systems and Neural Networks · Physics 2013-06-20 Gerald Schubert , Alexander Weisse , Gerhard Wellein , Holger Fehske

The local density of states (LDOS) is a distribution that characterizes the effect of perturbations on quantum systems. Recently, it was proposed a semiclassical theory for the LDOS of chaotic billiards and maps. This theory predicts that…

Chaotic Dynamics · Physics 2015-06-05 Darío E. Bullo , Diego A. Wisniacki

We perform a theoretical examination of the local electronic structure in the recently discovered bilayer high-temperature superconductor ${\mathrm{La}_3\mathrm{Ni}_2\mathrm{O}_7}$. Our method begins with a bilayer two-orbital tight-binding…

Superconductivity · Physics 2023-11-06 Junkang Huang , Z. D. Wang , Tao Zhou

We illustrate the importance of many-body effects in the Fourier transformed local density of states (FT-LDOS) of d-wave superconductors from a model of electrons coupled to an Einstein mode with energy Omega_0. For bias energies…

Superconductivity · Physics 2009-11-13 I. Paul , A. D. Klironomos , M. R. Norman

We study local density of state (LDOS) oscillations arising from the scattering of electrons at atomic edge defects in topological insulator (TI) surfaces. To create edge scattering on the surface of a TI, we assume that half of its surface…

Mesoscale and Nanoscale Physics · Physics 2024-09-04 David J. Alspaugh , D. N. Sheng , Mahmoud M. Asmar

We introduce a generalization of local density of states which is "windowed" with respect to position and energy, called the windowed local density of states (wLDOS). This definition generalizes the usual LDOS in the sense that the usual…

Mathematical Physics · Physics 2022-10-25 Terry A. Loring , Jianfeng Lu , Alexander B. Watson

Micron-sized magnetic platelets in the flux closed vortex state are characterized by an in-plane curling magnetization and a nanometer-sized perpendicularly magnetized vortex core. Having the simplest non-trivial configuration, these…