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Random banded matrices with linearly increasing diagonal elements are recently considered as an attractive model for complex nuclei and atoms. Apart from early papers by Wigner \cite{Wig} there were no analytical studies on the subject. In…

chao-dyn · Physics 2009-10-28 Y. V. Fyodorov , O. A. Chubykalo , F. M. Izrailev , G. Casati

We analytically calculate the contribution to the local density of states due to thermal sources in a disk-like patch within the framework of fluctuational electrodynamics. We further introduce a wavevector cutoff method to approximate this…

Mesoscale and Nanoscale Physics · Physics 2023-07-27 Svend-Age Biehs , Achim Kittel , Zhenghua An

A recently proposed convolution technique for the calculation of local density of states is described more thouroughly and new results of its application are presented. For separable systems the exposed method allows to construct the ldos…

Condensed Matter · Physics 2009-11-07 A. Losev , S. Vlaev

Real quantum systems can exhibit a local object called local partial density of states (LPDOS) that cannot be proved within the axiomatic approach of quantum mechanics. We demonstrate that real mesoscopic system that can exhibit Fano…

Quantum Physics · Physics 2025-03-12 Kanchan Meena , Souvik Ghosh , P. Singha Deo

Power law suppression of local electronic tunneling density of states (TDOS) in the zero-energy limit is a hallmark of Luttinger liquid (LL) phase of the interacting 1-D electron system. We present a theoretical model which hosts LL state…

Mesoscale and Nanoscale Physics · Physics 2023-01-09 Amulya Ratnakar , Sourin Das

Normal-incidence transmission and dispersion properties of optical multilayers and one-dimensional stepwise potential barriers in the non-tunneling regime are analytically investigated. The optical paths of every constituent layer in a…

Mesoscale and Nanoscale Physics · Physics 2008-04-13 S. V. Zhukovsky , S. V. Gaponenko

Locally Purified Density Operators (LPDOs) are state-of-the-art tensor network ansatze candidates that efficiently represent mixed quantum states at scale. However, given their non-uniqueness, their representational complexity is generally…

Quantum Physics · Physics 2025-12-10 Amit Jamadagni , Eugene Dumitrescu

The local density of states (LDOS) and its Fourier component induced by a unitary impurity in a supercurrent-carrying d-wave superconductor are investigated. Both of these quantities possess a reflection symmetry about the line passing…

Superconductivity · Physics 2009-11-10 Degang Zhang , C. S. Ting , C. -R. Hu

Enhancing the absorption and emission of electromagnetic waves over a broad range of wavelengths is a topic of fundamental and applied interest in photonics and energy research. In the context of light trapping in solar cells, for example,…

Optics · Physics 2018-12-27 Aaswath Raman , Zongfu Yu , Shanhui Fan

The spatial variations of the order parameter, and the local density of states (LDOS) on the corner of s-wave or $d_{x^2-y^2}$-wave superconductors, as well as in superconductor-insulator-normal metal interfaces, are calculated self…

Superconductivity · Physics 2009-11-07 N. Stefanakis

This chapter discusses the relationships between current sources and the resulting electromagnetic waves in FDTD simulations. First, the "total-field/scattered-field" approach to creating incident plane waves is reviewed and seen to be a…

Computational Physics · Physics 2013-01-24 Ardavan Oskooi , Steven G. Johnson

We study the basic features of the local density of states (LDOS) observed in STM experiments on high-T$_c$ d-wave superconductors in the context of a minimal model of a d-wave superconductor which has {\it weakly} modulated off-diagonal…

Superconductivity · Physics 2015-05-14 Dimitrios Galanakis , Stefanos Papanikolaou

We measure the statistical distribution of the local density of optical states (LDOS) on disordered semi-continuous metal films. We show that LDOS fluctuations exhibit a maximum in a regime where fractal clusters dominate the film surface.…

Optics · Physics 2015-05-19 V. Krachmalnicoff , E. Castanié , Y. De Wilde , R. Carminati

We determine the local density of states (LDOS) for spin-gapped one-dimensional charge density wave (CDW) states and Mott insulators in the presence of a hard-wall boundary. We calculate the boundary contribution to the single-particle…

Strongly Correlated Electrons · Physics 2012-07-09 Dirk Schuricht , Fabian H. L. Essler , Akbar Jaefari , Eduardo Fradkin

In a recent letter Chicanne {\em et al.} [1] reported the experimental observation of the electromagnetic local density of states LDOS established by gold nanostructures. The obtained images have been compared with combinations of partial…

Materials Science · Physics 2009-11-10 S. Savasta , O. Di Stefano , R. Girlanda , M. Pieruccini

A numerical modeling of the radiation emitted from a Luminescent dye embedded in a finite one-dimensional photonic crystal is presented. The Photonic Band Structure and the Photonic Density of States are derived using classical…

Optics · Physics 2010-12-30 J. Manzanares-Martinez , P. Castro-Garay

In this paper, we analyze the dynamics and formation mechanisms of bound states (BSs) of light bullets in the output of a laser coupled to a distant saturable absorber. First we approximate the full three-dimensional set of Haus master…

Pattern Formation and Solitons · Physics 2020-06-24 Fabian Dohmen , Julien Javaloyes , Svetlana V. Gurevich

Photonic devices play an increasingly important role in advancing physics and engineering, and while improvements in nanofabrication and computational methods have driven dramatic progress in expanding the range of achievable optical…

We numerically study the effect of non-magnetic impurities on the vortex bound states in noncentrosymmetric systems. The local density of states (LDOS) around a vortex is calculated by means of the quasiclassical Green's function method. We…

Superconductivity · Physics 2015-03-05 Yoichi Higashi , Yuki Nagai , Nobuhiko Hayashi

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
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