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We use the homological perturbation lemma to produce explicit formulas computing the class in the twisted de Rham complex represented by an arbitrary polynomial. This is a non-asymptotic version of the method of Feynman diagrams. In…

数学物理 · 物理学 2019-11-05 Theo Johnson-Freyd

General prescriptions for evaluation of coefficients at arbitrary powers and logarithms in the asymptotic expansion of Feynman diagrams in the Sudakov limit are discussed and illustrated by two-loop examples. Peculiarities connected with…

高能物理 - 唯象学 · 物理学 2009-10-31 V. A. Smirnov , E. R. Rakhmetov

In one-dimensional quantum emitter systems, the dynamics of atomic excitations are influenced by the collective coupling between emitters through photon-mediated dipole-dipole interactions. By introducing positional disorders in a portion…

This article tackles the problem of the classification of expansive homeomorphisms of the plane. Necessary and sufficient conditions for a homeomorphism to be conjugate to a linear hyperbolic automorphism will be presented. The techniques…

动力系统 · 数学 2010-10-19 Jorge Groisman

Since the long range entanglement is a universal characteristic of topological quantum states belonging to the same class, a suitable mathematical representation of the long range entanglement has to be also universal. In this Letter, we…

量子物理 · 物理学 2025-09-04 Mohammad Hossein Zarei , Mohsen Rahmani Haghighi

Topologically ordered phases in $2+1$ dimensions are generally characterized by three mutually-related features: fractionalized (anyonic) excitations, topological entanglement entropy, and robust ground state degeneracy that does not…

其他凝聚态物理 · 物理学 2023-05-30 Haruki Watanabe , Meng Cheng , Yohei Fuji

It has been proposed recently that topological A-model string amplitudes for toric Calabi-Yau 3-folds in non self-dual graviphoton background can be caluculated by a diagrammatic method that is called the ``refined topological vertex''. We…

高能物理 - 理论 · 物理学 2014-11-18 Masato Taki

We present a perturbative construction of interacting quantum field theories on any smooth globally hyperbolic manifold. We develop a purely local version of the Stueckelberg-Bogoliubov-Epstein-Glaser method of renormalization using…

数学物理 · 物理学 2009-07-09 Romeo Brunetti , Klaus Fredenhagen

We give a structural description of the class $\cal C$ of graphs that do not contain a cycle with a unique chord as an induced subgraph. Our main theorem states that any connected graph in $\cal C$ is either in some simple basic class or…

组合数学 · 数学 2016-03-27 Nicolas Trotignon , Kristina Vušković

We prove the unitarity of the Euclidean nonlocal scalar field theory to all perturbative orders in the loop expansion. The amplitudes in the Euclidean space are calculated assuming that all the particles have purely imaginary energies, and…

广义相对论与量子宇宙学 · 物理学 2019-05-29 Fabio Briscese , Leonardo Modesto

Motivated by the wide-ranging applications of Hamiltonian decompositions in distributed computing, coded caching, routing, resource allocation, load balancing, and fault tolerance, our work presents a comprehensive design for Hamiltonian…

信息论 · 计算机科学 2025-04-28 Javad Maheri , Petros Elia

A generalization of the canonical and non-canonical theory of inflation is introduced in which the kinetic energy term in action is written as non-local term. The inflationary universe within the framework of considering this non-locality…

广义相对论与量子宇宙学 · 物理学 2015-07-01 Haidar Sheikhahmadi , Soheyla Ghorbani , Khaled Saaidi

In this work we introduce and explore a rescaled-theory of local stable and unstable sets for rescaled-expansive flows and its applications to topological entropy. We introduce a rescaled version of the local unstable sets and the unstable…

动力系统 · 数学 2025-08-22 Alexander Arbieto , Alfonso Artigue , Elias Rego

Recently, in certain flat band lattice systems at commensurate fillings, fractional quantum Hall states have been found -- which have anyonic excitations. We study such systems away from commensuration, i.e. the ground state of an anyon gas…

强关联电子 · 物理学 2013-11-13 Evelyn Tang , Xiao-Gang Wen

We discover novel topological effects in the one-dimensional Kitaev chain modified by long-range Hamiltonian deformations in the hopping and pairing terms. This class of models display symmetry-protected topological order measured by the…

强关联电子 · 物理学 2016-09-20 O. Viyuela , D. Vodola , G. Pupillo , M. A. Martin-Delgado

Feature learning in the presence of a mixed type of variables, numerical and categorical types, is an important issue for related modeling problems. For simple neighborhood queries under mixed data space, standard practice is to consider…

机器学习 · 统计学 2020-05-07 Saswata Sahoo , Souradip Chakraborty

Self-consistent field theory is used to obtain the non-local plasmon dispersion relation of monolayer graphene which is Coulomb-coupled to a thick conductor. We calculate numerically the undamped plasmon excitation spectrum for arbitrary…

材料科学 · 物理学 2014-12-24 Godfrey Gumbs , Andrii Iurov , N. J. M. Horing

This paper presents a theory of interaction-induced band-flattening in strongly correlated electron systems. We begin by illustrating an inherent connection between flat bands and index theorems, and presenting a generic prescription for…

强关联电子 · 物理学 2024-10-18 Alireza Parhizkar , Victor Galitski

It is shown that for any locally knotted edge of a 3-connected graph in $S^3$, there is a ball that contains all of the local knots of that edge and is unique up to an isotopy setwise fixing the graph. This result is applied to the study of…

几何拓扑 · 数学 2015-03-17 Erica Flapan , Blake Mellor , Ramin Naimi

In this paper, we construct an exactly solvable lattice Hamiltonian model to investigate the properties of a composite system consisting of multiple topological orders separated by gapped domain walls. There are interdomain elementary…

强关联电子 · 物理学 2024-05-14 Yu Zhao , Shan Huang , Hongyu Wang , Yuting Hu , Yidun Wan