English
Related papers

Related papers: ADE Spectral Networks and Decoupling Limits of Sur…

200 papers

We study far-field discrimination between one and two incoherent point sources in the singular regime of weak and closely spaced emitters. Under ideal alignment, spatial-mode demultiplexing (SPADE) attains the quantum-optimal large-sample…

Quantum Physics · Physics 2026-05-15 Natsuki Kariya

Boundary equilibria bifurcation (BEB) arises in piecewise-smooth systems when an equilibrium collides with a discontinuity set under parameter variation. Singularly perturbed BEB refers to a bifurcation arising in singular perturbation…

Dynamical Systems · Mathematics 2021-10-27 Samuel Jelbart , Kristian Uldall Kristiansen , Martin Wechselberger

Low energy electron diffraction (LEED) experiments, LEED simulations and finite slab density functional calculations are combined to study the cleavage surface of Co doped BaFe_{2-x}Co_{x}As_{2} (x = 0.1, 0.17). We demonstrate that the…

In core/shell quantum dots (QDs), the interface between semiconductors of different chemical character largely determines their optoelectronic properties. In III-V/II-VI systems, this boundary involves pronounced chemical and electronic…

Materials Science · Physics 2026-05-18 Jordi Llusar , Abdessamad El Adel , Luca De Trizio , Liberato Manna , Zeger Hens , Ivan Infante

We study the BPS spectrum of four-dimensional $\mathcal{N}=2$ supersymmetric Yang-Mills theory with gauge group $SU(2)$ and a massive adjoint hypermultiplet, which has an extremely intricate structure with infinite spectrum in all chambers…

High Energy Physics - Theory · Physics 2021-10-04 Philipp Rüter , Richard J. Szabo

BPS states in N=4 supersymmetric SU(N) gauge theories in four dimensions can be represented as planar string networks with ends lying on D3-branes. We introduce several protected indices which capture information on the spectrum and various…

High Energy Physics - Theory · Physics 2015-06-04 Ashoke Sen

Understanding the behavior of the matter power spectrum on non-linear scales beyond the $\Lambda$CDM model is crucial for accurately predicting the large-scale structure (LSS) of the Universe in non-standard cosmologies. In this work, we…

Cosmology and Nongalactic Astrophysics · Physics 2024-10-31 Emanuelly Silva , Ubaldo Zúñiga-Bolaño , Rafael C. Nunes , Eleonora Di Valentino

We show that boundaries of 3D weak topological insulators can become gapped by strong interactions while preserving all symmetries, leading to Abelian surface topological order. The anomalous nature of the weak topological insulators…

Strongly Correlated Electrons · Physics 2016-01-26 David F. Mross , Andrew Essin , Jason Alicea , Ady Stern

We generalize the screened Korringa-Kohn-Rostoker (SKKR) method for solving the corresponding Kohn-Sham-Bogoliubov-de Gennes (KSBdG) equations for surfaces and interfaces. As an application of the newly developed theory we study the…

Superconductivity · Physics 2016-07-05 Gábor Csire , Balázs Újfalussy , József Cserti , Balázs Győrffy

We study a topological band degeneracy in non-Hermitian systems with parity-time ($PT$) and parity-particle-hole ($CP$) symmetries. In $d$-dimensional non-Hermitian systems, it is shown that $(d-1)$-dimensional exceptional surfaces can…

Mesoscale and Nanoscale Physics · Physics 2019-01-30 Ryo Okugawa , Takehito Yokoyama

We show that the BPS spectrum of pure SU(3) four-dimensional super Yang-Mills with N=2 supersymmetry exhibits a surprising phenomenon: there are regions of the Coulomb branch where the growth of the BPS degeneracies with the charge is…

High Energy Physics - Theory · Physics 2015-06-16 Dmitry Galakhov , Pietro Longhi , Tom Mainiero , Gregory W. Moore , Andrew Neitzke

We consider the two complex dimensional moduli space of supersymmetric vacua for low energy effective N=2 SYM with gauge group SU(3). We describe, at the topological level, a consistent model of how the relevant curves of marginal stability…

High Energy Physics - Theory · Physics 2010-02-03 Brett J. Taylor

We have extended the validity of the correlation between the surface 3d-core-level shift (SCLS) and the surface d band shift (SDBS) to the entire 4d transition metal series and to the neighboring elements Sr and Ag via accurate…

mtrl-th · Physics 2009-10-30 M. V. Ganduglia-Pirovano , V. Natoli , M. H. Cohen , J. Kudrnovsky , I. Turek

Symmetry protected topological (SPT) phases are gapped quantum phases which host symmetry-protected gapless edge excitations. On the other hand, the edge states can be gapped by spontaneously breaking symmetry. We show that topological…

Strongly Correlated Electrons · Physics 2014-05-20 Yuan-Ming Lu , Dung-Hai Lee

We investigate confinement from new global defect structures in three spatial dimensions. The global defects arise in models described by a single real scalar field, governed by special scalar potentials. They appear as electrically,…

High Energy Physics - Theory · Physics 2011-09-13 D. Bazeia , F. A. Brito , W. Freire , R. F. Ribeiro

Data from angle resolved photo-emission spectroscopy (ARPES) often serves as a smoking-gun evidence for the existence of topological materials. It provides the energy dispersion curves of the topological boundary modes which characterize…

Mesoscale and Nanoscale Physics · Physics 2015-12-08 Zohar Ringel

A recent class of hyperspectral anomaly detection methods can be trained once on background datasets and then deployed universally without per-scene retraining or parameter tuning, showing strong efficiency and robustness. Building upon…

Computer Vision and Pattern Recognition · Computer Science 2026-02-10 Wenping Jin , Li Zhu , Fei Guo

The problem of matrix completion and decomposition in the cone of positive semidefinite (PSD) matrices is a well-understood problem, with many important applications in areas such as linear algebra, optimization, and control theory. This…

Optimization and Control · Mathematics 2025-07-28 Ding Zhang , Axel Ringh , Li Qiu

We study 3d $\mathcal{N}=2$ dualities arising from the compactification of 4d $\mathcal{N}=1$ $Usp(2 n)$ SQCD with two antisymmetric rank-two tensors and $D_{k+2}$-type superpotential, with odd $k$. The analysis is carried out by using…

High Energy Physics - Theory · Physics 2023-02-08 Antonio Amariti , Simone Rota

Despite stereo matching accuracy has greatly improved by deep learning in the last few years, recovering sharp boundaries and high-resolution outputs efficiently remains challenging. In this paper, we propose Stereo Mixture Density Networks…

Computer Vision and Pattern Recognition · Computer Science 2021-04-09 Fabio Tosi , Yiyi Liao , Carolin Schmitt , Andreas Geiger