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The study of long-range interactions is increasingly becoming essential due to its various applications in cold atomic physics. These interactions can be conveniently expressed in terms of dispersion coefficients. In the present work,…

Atomic Physics · Physics 2022-01-19 Neelam Shukla , Harpreet Kaur , Bindiya Arora , Rajesh Srivastava

We study the behaviour of the smallest possible constants $d_n$ and $c_n$ in Hardy's inequalities $$ \sum_{k=1}^{n}\Big(\frac{1}{k}\sum_{j=1}^{k}a_j\Big)^2\leq d_n\,\sum_{k=1}^{n}a_k^2, \qquad (a_1,\ldots,a_n) \in \mathbb{R}^n $$ and $$…

Classical Analysis and ODEs · Mathematics 2020-07-21 Dimitar K. Dimitrov , Ivan Gadjev , Geno Nikolov , Rumen Uluchev

Some general expressions are given for the coefficient of the 14th Chern form in terms of the Riemann-Christoffel curvature tensor and some of its concomitants (e.g., Pontrjagin's characteristic tensors) for n-dimensional differentiable…

General Relativity and Quantum Cosmology · Physics 2007-05-23 C. C. Briggs

We calculate exact values of the decycling numbers of $C_{m} \times C_{n}$ for $m=3,4$, of $C_{n}^{2}$, and of $C_{n}^{3}$.

Combinatorics · Mathematics 2007-06-05 Adrian Riskin

In this study, we present a comprehensive global spectral analysis of the convection dispersion equation, which is also referred to in specific contexts as the Korteweg de Vries (KdV) equation, to investigate the behaviour of high order…

Numerical Analysis · Mathematics 2025-07-22 Lavanya V Salian , Vivek S Yadav , Rathan Samala , Rakesh Kumar

Assuming $\omega=\sum_n C^{(n)}q^{2n}$ in the low-frequency limit, we apply the refined recipe to compute the dispersion relation of shear quasinormal modes of the Gauss-Bonnet black brane. Treating the Gauss-Bonnet parameter $\lagb$…

High Energy Physics - Theory · Physics 2019-01-23 Towe Wang

We give an effective criterion for the identifiability of additive decompositions of homogeneous forms of degree $d$ in a fixed number of variables. Asymptotically for large $d$ it has the same order of the Kruskal's criterion adapted to…

Algebraic Geometry · Mathematics 2018-11-06 Edoardo Ballico

We present semiempirical calculations of long-range van der Waals interactions for two interacting metastable rare-gas atoms Ne through Xe. Dispersion coefficients $C_6$ are obtained for homonuclear molecular potentials asymptotically…

Atomic Physics · Physics 2009-11-06 A. Derevianko , A. Dalgarno

Contributions to the decay rates of P-wave charmonium states that are proportional to $n_f \alpha_s^3$, where $n_f$ is the number of flavors of light quarks, are calculated in the framework of nonrelativistic QCD using the threshold…

High Energy Physics - Phenomenology · Physics 2009-10-30 Eric Braaten , Yu-Qi Chen

A GW calculation based on a truncated Coulomb interaction with an added small q limit was applied to 2D van der Waals heterolayered structures, and the Kane dispersion model was used to determine the accurate band gap edge. All ab initio…

Materials Science · Physics 2025-06-25 Eyasu Tadesse Muda , Tewodros Eyob Ada , Kenate Nemera Nigussa , Cecil N. M. Ouma

For any $n \geq 0$ and $k \geq 1$, the \emph{density Hales-Jewett number} $c_{n,k}$ is defined as the size of the largest subset of the cube $[k]^n$ := $\{1,...,k\}^n$ which contains no combinatorial line; similarly, the Moser number…

Combinatorics · Mathematics 2010-04-27 D. H. J. Polymath

We present a study of the adsorption and diffusion of CH4, CO2 and H2 molecules in clathrate hydrates using ab initio van der Waals density functional formalism [Dion et al. Phys. Rev. Lett. 92, 246401 (2004)]. We find that the adsorption…

Materials Science · Physics 2015-05-19 Guillermo Román-Pérez , Mohammed Moiaed , Jose M. Soler , Felix Yndurain

For any real number $x \in [0,1)$, we denote by $q_n(x)$ the denominator of the $n$-th convergent of the continued fraction expansion of $x$ $(n \in \mathbb{N})$. It is well-known that the Lebesgue measure of the set of points $x \in [0,1)$…

Number Theory · Mathematics 2016-08-04 Lulu Fang , Min Wu , Bing Li

The van der Waals coefficients for the alkali-metal atoms from Na to Fr interacting in their ground states, are calculated using relativistic ab initio methods. The accuracy of the calculations is estimated by also evaluating atomic static…

Atomic Physics · Physics 2007-05-23 A. Derevianko , W. R. Johnson , M. S. Safronova , J. F. Babb

We prove Schauder estimates for solutions to both divergence and non-divergence type higher-order parabolic systems in the whole space and the half space. We also provide an existence result for divergence type systems in a cylindrical…

Analysis of PDEs · Mathematics 2013-07-19 Hongjie Dong , Hong Zhang

Motivated by the restoration of $SU(2)\times U(1)$ at high energy, we suggest that certain ratios of diboson differential cross sections can be used as high-precision observables at the LHC. We rewrite leading-order diboson partonic cross…

High Energy Physics - Phenomenology · Physics 2016-04-20 Christopher Frye , Marat Freytsis , Jakub Scholtz , Matthew J. Strassler

Let $\{c_n\}_{n=1}^\infty$ be a sequence of complex numbers. In this paper we answer when the range of $\sum_{n=1}^\infty\pm c_n$ is dense or equal to the complex plane. Some examples are given to explain our results. As its application, we…

Functional Analysis · Mathematics 2013-10-01 Xinggang He , Chuntai Liu

General formulas are presented for higher order cumulants of the conserved charge statistical fluctuations inside the mixed phase. As a particular example the van der Waals model in the grand canonical ensemble is used. The higher order…

High Energy Physics - Phenomenology · Physics 2021-03-03 Roman V. Poberezhnyuk , Oleh Savchuk , Mark I. Gorenstein , Volodymyr Vovchenko , Horst Stoecker

The paper is a comprehensive study of the $L_p$ and the Schauder estimates for higher-order divergence type parabolic systems with discontinuous coefficients in the half space and cylindrical domains with conormal derivative boundary…

Analysis of PDEs · Mathematics 2014-01-31 Hongjie Dong , Hong Zhang

We study hydrodynamics of four-dimensional non-conformal holographic plasma with non-equal central charges $c\ne a$ at the ultraviolet fixed point. We compute equation of state, the speed of sound waves, transport coefficients (shear and…

High Energy Physics - Theory · Physics 2018-04-04 Alex Buchel
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