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Statistical and scaling properties of the Lyapunov exponent for a tight-binding model with the diagonal disorder described by a dichotomic process are considered near the band edge. The effect of correlations on scaling properties is…

Disordered Systems and Neural Networks · Physics 2016-08-31 L. I. Deych , M. V. Erementchouk , A. A. Lisyansky

Closed expressions are derived for the pseudo-norm, norm and orthogonality relations for arbitrary bound states of the PT symmetric and the Hermitian Scarf II potential for the first time. The pseudo-norm is found to have indefinite sign in…

Quantum Physics · Physics 2009-11-07 G. Levai , F. Cannata , A. Ventura

We show that the expression for the supersymmetric partition function of the chiral Unitary Ensemble conjectured recently by Splittorff and Verbaarschot [Phys. Rev. Lett. v. 90, 041601 (2003)] follows from the general expression derived…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 Yan V. Fyodorov , Gernot Akemann

Studies of entanglement in many-particle systems suggest that most quantum critical ground states have infinitely more entanglement than non-critical states. Standard algorithms for one-dimensional many-particle systems construct model…

Strongly Correlated Electrons · Physics 2015-05-13 Frank Pollmann , Subroto Mukerjee , Ari Turner , Joel E. Moore

Consider a quite arbitrary (semi)parametric model with a Euclidean parameter of interest and assume that an asymptotically (semi)parametrically efficient estimator of it is given. If the parameter of interest is known to lie on a general…

Statistics Theory · Mathematics 2015-08-17 Chris A. J. Klaassen , Nanang Susyanto

The matrix-valued spherical functions for the pair (K x K, K), K=SU(2), are studied. By restriction to the subgroup A the matrix-valued spherical functions are diagonal. For suitable set of representations we take these diagonals into a…

Representation Theory · Mathematics 2014-04-17 Erik Koelink , Maarten van Pruijssen , Pablo Roman

We have investigated scaling properties of the Aubry-Andr\'e model and related one-dimensional quasiperiodic Hamiltonians near their localisation transitions. We find numerically that the scaling of characteristic energies near the ground…

Disordered Systems and Neural Networks · Physics 2018-10-09 Attila Szabó , Ulrich Schneider

For a generic conformal field theory (CFT) in four dimensions, the scale anomaly dictates that the universal part of entanglement entropy across a sphere ($\mathcal{C}_{\text{univ}}(S^{2})$) is positive. Based on this fact, we explore the…

High Energy Physics - Theory · Physics 2016-12-28 Ali Naseh

We propose a new pressure-parametrization model to explain the accelerated expansion of the late-time Universe by considering the dark contents (dark matter and dark energy) as a unified dark fluid. To realize this model more physically, we…

Cosmology and Nongalactic Astrophysics · Physics 2017-05-30 Deng Wang , Yang-Jie Yan , Xin-He Meng

An analisys is done about the paper "Impossibility of the existence of the universal density functional" of V.B. Bobrov and S.A. Trigger considering the constrained-search reformulation of DFT.

Quantum Physics · Physics 2011-03-22 Ramon A. Miranda Quintana , Daniel Codorniu Pujals

In this paper the geometric entanglement (GE) of systems in one spatial dimension (1D) and in the thermodynamic limit is analyzed focusing on two aspects. First, we reexamine the calculation of the GE for translation-invariant matrix…

Strongly Correlated Electrons · Physics 2011-08-10 Roman Orus , Tzu-Chieh Wei

We show that the recently-introduced formalism by Neuhauser et al. for the calculation of the quasi-particle energies of electronic systems within the framework of the GW approximation of the self-energy operator, named the `stochastic GW…

Mesoscale and Nanoscale Physics · Physics 2014-03-05 Behnam Farid

We apply ideas related to the strength of polynomials to provide new cases of unirational hypersurfaces. It is famously known that hypersurfaces that are smooth in very high codimension are unirational, and a simple corollary then implies…

Algebraic Geometry · Mathematics 2024-10-29 Daniel Erman , Eric Riedl

Two remarks related with the mixed joint universality for a polynomial Euler product and a periodic Hurwitz zeta-function with a transcendental parameter are given. One is the mixed joint functional independence, and the other is a…

Number Theory · Mathematics 2016-08-08 Roma Kacinskaite , Kohji Matsumoto

We demonstrate that the experimental results reported by M. Shuker, O. Firstenberg, R. Pugatch, A. Ben-Kish,1 A. Ron, and N. Davidson, Phys. Rev. A {\bf 76}, 023813 (2007) as Dicke narrowing of electromagnetically induced transparency, does…

Optics · Physics 2007-11-14 S. M. Iftiquar

In [Temme N.M., Special functions. An introduction to the classical functions of mathematical physics, A Wiley-Interscience Publication, John Wiley & Sons, Inc., New York, 1996, Section 11.3.3.1] a uniform asymptotic expansion for the…

Classical Analysis and ODEs · Mathematics 2016-10-26 Gergő Nemes , Adri B. Olde Daalhuis

Wavefunction collapse is usually seen as a discontinuous violation of the unitary evolution of a quantum system, caused by the observation. Moreover, the collapse appears to be nonlocal in a sense which seems at odds with General…

Quantum Physics · Physics 2016-01-12 Ovidiu Cristinel Stoica

We study the scaling properties of the quantum ``projected'' SO(5) model in three dimensions by means of a highly accurate Quantum-Monte-Carlo analysis. Within the parameter regime studied (temperature and system size), we show that the…

Strongly Correlated Electrons · Physics 2009-11-07 M. Jöstingmeier , A. Dorneich , E. Arrigoni , W. Hanke , Shou-Cheng Zhang

This paper proves a combinatorial rule expressing the product $s_\tau(s_{\lambda/\mu} \circ p_r)$ of a Schur function and the plethysm of a skew Schur function with a power sum symmetric function as an integral linear combination of Schur…

Combinatorics · Mathematics 2016-10-11 Mark Wildon

There has been enormous progress in the last few years in designing neural networks that respect the fundamental symmetries and coordinate freedoms of physical law. Some of these frameworks make use of irreducible representations, some make…

Machine Learning · Computer Science 2023-02-09 Soledad Villar , David W. Hogg , Kate Storey-Fisher , Weichi Yao , Ben Blum-Smith