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A new proof is given for the fact that centered gaussian functions saturate the Euclidean forward-reverse Brascamp-Lieb inequalities, extending the Brascamp-Lieb and Barthe theorems. A duality principle for best constants is also developed,…

泛函分析 · 数学 2019-08-30 Thomas A. Courtade , Jingbo Liu

The one-body density matrix is derived within the Extended Thomas-Fermi approximation. This has been done starting from the Wigner-Kirkwood distribution function for a non-local single-particle potential. The links between this new approach…

核理论 · 物理学 2009-10-31 V. B. Soubbotin , X. Vinas

An action principle that applies uniformly to any number N of supercharges is proposed. We perform the reduction to the N=0 partition function by integrating out superpartner fields. As a new feature for theories of extended supersymmetry,…

高能物理 - 理论 · 物理学 2014-11-18 I. A. Batalin , K. Bering

The Levi-Civita field $\mathcal{R}$ is the smallest non-Archimedean ordered field extension of the real numbers that is real closed and Cauchy complete in the topology induced by the order. In this paper we develop a new theory of…

泛函分析 · 数学 2025-06-25 Mateo Restrepo Borrero , Khodr Shamseddine

Based on the convergence of their infinitesimal generators in the mixed topology, we provide a stability result for strongly continuous convex monotone semigroups on spaces of continuous functions. In contrast to previous results, we do not…

偏微分方程分析 · 数学 2026-05-19 Jonas Blessing , Michael Kupper , Max Nendel

Density-functional theory is applied to compute the ground-state energies of quantum hard-sphere solids. The modified weighted-density approximation is used to map both the Bose and the Fermi solid onto a corresponding uniform Bose liquid,…

统计力学 · 物理学 2009-10-30 A. R. Denton , P. Nielaba , N. W. Ashcroft

The formalism of next-to-leading order Fermi Liquid Theory is employed to calculate the thermal properties of symmetric nuclear and pure neutron matter in a relativistic many-body theory beyond the mean field level which includes two-loop…

核理论 · 物理学 2017-03-08 Constantinos Constantinou , Sudhanva Lalit , Madappa Prakash

We discuss a $\beta$-dependent family of electronic density scalings of the form $n_\lambda(\R)=\lambda^{3\beta+1}\; n(\lambda^\beta \R)$ in the context of density functional theory. In particular, we consider the following special cases:…

材料科学 · 物理学 2013-01-31 Eduardo Fabiano , Lucian A. Constantin

We investigate the particle and kinetic energy densities of harmonically trapped fermion gases at zero temperature in arbitrary dimensions. We derive analytically a differential equation connecting these densities, which so far have been…

介观与纳米尺度物理 · 物理学 2016-08-31 Matthias Brack , M. V. N. Murthy

A convergent approximation is proposed for a mean field density-density correlation function in a system with a two-phase interface. It is based on a fourth-order expansion of the Hamiltonian in terms of fluctuations around the equilibrium…

统计力学 · 物理学 2009-10-31 Iaroslav Ispolatov

Dynamical mean-field approximation with explicit pairing is utilized to study the properties of a two-component Fermi gas at unitarity. The problem is approximated by the lattice Hubbard Hamiltonian, and the continuum limit is realized by…

统计力学 · 物理学 2009-11-13 Nir Barnea

Let $\Gamma$ be a non-elementary, non-convex-cocompact Kleinian group acting on $\mathbb{H}^{d}$. We show that the Hausdorff dimension of the sublinearly conical Myrberg limit set of $\Gamma$ is equal to the critical exponent of $\Gamma$.…

动力系统 · 数学 2025-12-05 Inhyeok Choi

Atomic-like systems in which electronic motion is two dimensional are now realizable as ``quantum dots''. In place of the attraction of a nucleus there is a confining potential, usually assumed to be quadratic. Additionally, a perpendicular…

凝聚态物理 · 物理学 2007-05-23 E. H. Lieb , J. P. Solovej , J. Yngvason

We investigate superfluidity of the relativistic fermi-gas with gravitational interaction. The excitation spectrum is obtained within the linearized theory. While superfluidity may take place at a definite ratio of the Fermi momentum, rest…

高能物理 - 理论 · 物理学 2007-05-23 G. Vlasov

We examine the equilibrium properties of hot, dilute, non-relativistic plasmas. The partition function and density correlation functions of a classical plasma with several species are expressed in terms of a functional integral over…

等离子体物理 · 物理学 2009-10-31 Lowell S. Brown , Laurence G. Yaffe

This is a survey article dedicated to the study of topological quantities in theory of normal metals discovered in the works of the authors during the last years. Our results are based on the theory of dynamical systems on Fermi surfaces.…

数学物理 · 物理学 2007-05-23 A. Ya. Maltsev , S. P. Novikov

Limit theorems for the normalized laws with respect to two kinds of weight functionals are studied for any symmetric stable L\'evy process of index $ 1 < \alpha \le 2 $. The first kind is a function of the local time at the origin, and the…

概率论 · 数学 2008-07-29 Kouji Yano , Yuko Yano , Marc Yor

If $(T_t)$ is a semigroup of Markov operators on an $L^1$-space that admits a non-trivial lower bound, then a well-known theorem of Lasota and Yorke asserts that the semigroup is strongly convergent as $t \to \infty$. In this article we…

泛函分析 · 数学 2016-04-08 Moritz Gerlach , Jochen Glück

Let $f$ be a function on a bounded domain $\Omega \subseteq \mathbb{R}^n$ and $\delta$ be a positive function on $\Omega$ such that $B(x,\delta(x))\subseteq \Omega$. Let $\sigma(f)(x)$ be the average of $f$ over the ball $B(x,\delta(x))$.…

偏微分方程分析 · 数学 2007-09-24 Mohammad Javaheri

We investigate the sharp functional inequalities for the coherent state transforms of $SU(N,1)$. These inequalities are rooted in Wehrl's definition of semiclassical entropy and his conjecture about its minimum value. Lieb resolved this…

数学物理 · 物理学 2025-08-26 Mandeep Singh