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Related papers: Higher order deformations of hyperbolic spectra

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We propose and investigate two types, the latter with two variants, of notions of partial hyperbolicity accounting for several classes of compact complex manifolds behaving hyperbolically in certain directions, defined by a vector subbundle…

Differential Geometry · Mathematics 2025-03-24 Hisashi Kasuya , Dan Popovici

Kossel diffraction under standing-wave excitation in a one-dimensional photonic crystal is investigated. It is shown that by combining the reciprocity theorem, the Fermi golden rule and the concept of density of photonic modes, it is…

Optics · Physics 2015-09-02 J. -M André , Philippe Jonnard , K. Le Guen , F. Bridou

In this paper, we investigate a holographic model of superconductor with hidden Fermi surfaces, which was defined by the logarithmic violation of area law of entanglement entropy. We works in fully back-reacted background using standard…

High Energy Physics - Theory · Physics 2013-11-19 ZhongYing Fan

The goal of this paper is to study the deformations of compact K\"ahler hyperbolic manifolds. We propose slightly modified versions of K\"ahler hyperbolicity as a tool to provide a first step towards investigating the deformation openness…

Algebraic Geometry · Mathematics 2025-08-28 Abdelouahab Khelifati

A formalism is proposed to study the electron tunneling between extended states, based on the spin-boson Hamiltonian previously used in two-level systems. It is applied to analyze the out--of--plane tunneling in layered metals considering…

Strongly Correlated Electrons · Physics 2009-11-10 M. A. H. Vozmediano , M. P. Lopez-Sancho , F. Guinea

In this paper,based on the available mathematical works on geometry and topology of hyperbolic manifolds and discrete groups, some results of Freedman et al (hep-th/9804058) are reproduced and broadly generalized. Among many new results the…

High Energy Physics - Theory · Physics 2014-11-18 Arkady L. Kholodenko

We investigate the electronic structure of a complex conventional superconductor, ZrB12 employing high resolution photoemission spectroscopy and ab initio band structure calculations. The experimental valence band spectra could be described…

Superconductivity · Physics 2013-12-03 S. Thakur , D. Biswas , N. Sahadev , P. K. Biswas , G. Balakrishnan , K. Maiti

We perform a large deviations analysis of homological growth rates of oriented geodesics on hyperbolic surfaces. For surfaces uniformized by a wide class of Fuchsian groups of the first kind, we prove the existence of the rate function…

Dynamical Systems · Mathematics 2023-06-21 Johannes Jaerisch , Hiroki Takahasi

Based on a symmetry argument we systematically reveal Hartree-Fock broken-symmetry solutions of the one-dimensional two-band extended Peierls-Hubbard model, which covers various materials of interest such as halogen-bridged metal complexes…

Strongly Correlated Electrons · Physics 2009-10-31 Shoji Yamamoto

Unconventional symmetry breaking due to nonlocal order parameters has attracted considerable attention in many strongly correlated metals. Famous examples are the nematic order in Fe-based superconductors and the star-of-David charge…

Strongly Correlated Electrons · Physics 2023-02-03 Rina Tazai , Shun Matsubara , Youichi Yamakawa , Seiichiro Onari , Hiroshi Kontani

Particle-gamma coincidences from the 46Ti(p,p' gamma)46Ti inelastic scattering reaction with 15-MeV protons are utilized to obtain gamma-ray spectra as a function of excitation energy. The rich data set allows analyzing the coincidence data…

See math.CV/0509030 which replaces this paper.

Complex Variables · Mathematics 2007-05-23 A. V. Isaev

The book is based largely on the author's researches presented at conferences in the period 1992 onwards. It is a historically based exposition and an extension of the hyperbolic version of special relativity first proposed by Vari\'cak…

General Physics · Physics 2019-09-18 John F Barrett

The work of J{\o}rgensen and Thurston shows that there is a finite number N(v) of orientable hyperbolic 3-manifolds with any given volume v. In this paper, we construct examples showing that the number of hyperbolic knot complements with a…

Geometric Topology · Mathematics 2015-06-02 Christian Millichap

We study an electron distribution under a quasiperiodic potential in light of hyperuniformity, aiming to establish a classification and analysis method for aperiodic but orderly density distributions realized in, e.g., quasicrystals. Using…

Strongly Correlated Electrons · Physics 2022-10-06 Shiro Sakai , Ryotaro Arita , Tomi Ohtsuki

The first part of this paper considers higher order CR invariants of three dimensional hypersurfaces of finite type. Using a full normal form we give a complete characterization of hypersurfaces with trivial local automorphism group, and…

Complex Variables · Mathematics 2008-04-21 Martin Kolar

Let $M$ be a compact irreducible hyperkahler manifold, from Bogomolov inequality [V1] we obtain forbidden values of the second Betti number $b_2$ in arbitrary dimension. UPD: Unfortunately, decomposition of dual to BBF-form is not right in…

Algebraic Geometry · Mathematics 2015-12-21 Nikon Kurnosov

This is a comment on recent paper by Rourke et al. titled "Spectroscopic Evidence for Multiple Order Parameters in the Heavy Fermion Superconductor CeCoIn5" (cond-mat/0409562v1 22 Sep 2004). We argue that the features observed by Rourke…

Superconductivity · Physics 2007-05-23 Goutam Sheet , Pratap Raychaudhuri

The paper discusses relations between the structure of the complex Fermi surface below the spectrum of a second order periodic elliptic equation and integral representations of certain classes of its solutions. These integral…

Analysis of PDEs · Mathematics 2007-09-03 Peter Kuchment

This paper focuses on a class of nonlinear Klein-Gordon equations in three dimensions, which are Hamiltonian perturbations of the linear Klein-Gordon equation with potential. The unperturbed dynamical system has a bound state with frequency…

Analysis of PDEs · Mathematics 2022-09-22 Zhen Lei , Jie Liu , Zhaojie Yang
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