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Related papers: Multi-boson correlations using wave-packets II

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Based on Richardson's exact solution of the pairing model and the Gaudin model for spin systems we derive a new class of exactly solvable models for finite boson system. As an example we solve a particular hamiltonian which displays a…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 J. Dukelsky , P. Schuck

In a previous work, two of the authors proposed a new proof of a well known convergence result for the scaled elementary connected vacant component in the high intensity Boolean model towards the Crofton cell of the Poisson hyperplane…

Probability · Mathematics 2009-05-29 Pierre Calka , Julien Michel , Katy Paroux

Boson stars are hypothetical compact objects derived from solutions of a self-gravitating complex scalar field. In this study, we extend the traditional models by generalizing the kinetic term of the scalar field to that of a nonlinear…

General Relativity and Quantum Cosmology · Physics 2025-06-02 Christoph Adam , Jorge Castelo Mourelle , Alberto García Martín-Caro , Andrzej Wereszczynski

The end-to-end optimization of links based on directly-modulated lasers may require an analytically differentiable channel. We overcome this problem by developing and comparing differentiable laser models based on machine learning…

Signal Processing · Electrical Eng. & Systems 2023-05-18 Sergio Hernandez Fernandez , Christophe Peucheret , Ognjen Jovanovic , Francesco Da Ros , Darko Zibar

The prospect of self-consistent propagation of more than two pulses contemporaneously through multi-resonant media raises open questions: whether soliton solutions exist, and whether a useful generalization of two-level pulse Area can be…

Quantum Physics · Physics 2008-11-13 Elizabeth Groves , B. D. Clader , J. H. Eberly

Boson stars are often described as macroscopic Bose-Einstein condensates. By accommodating large numbers of bosons in the same quantum state, they materialize macroscopically the intangible probability density cloud of a single particle in…

General Relativity and Quantum Cosmology · Physics 2020-12-23 C. A. R. Herdeiro , J. Kunz , I. Perapechka , E. Radu , Ya. Shnir

A simple model is derived to prove the multi-filament structure of relativistic self-focusing with ultra-intense lasers. Exact analytical solutions describing the transverse structure of waveguide channels with electron cavitation, for…

Plasma Physics · Physics 2009-11-06 F. Cattani , A. Kim , D. Anderson , M. Lisak

The Lieb-Liniger model describes one-dimensional bosons with contact interactions. This many-body system admits an exact solution in terms of the Bethe ansatz. Some of the exact and perturbative results for this model are reviewed.…

Quantum Gases · Physics 2026-04-29 Zoran Ristivojevic

New type of pion interferometry formulas is derived, in which not only the correlator but also the pion multiplicity is taken consideration. The method to get information about initial emission probability of the unsymmetrized Bosons is…

High Energy Physics - Phenomenology · Physics 2016-09-06 Q. H. Zhang

Any-order pion interferometry formulas for fixed pion multiplicity events and for mixed events are given. Multipion Bose-Einstein correlation effects on the two-pion interferometry and source distribution are studied. It is shown that…

High Energy Physics - Phenomenology · Physics 2007-05-23 Q. H. Zhang

The Einstein field equations, or generalizations thereof, are difficult to solve analytically. On the other hand, numerical solutions of the same equations have become increasingly common, in particular concerning compact objects. Whereas…

General Relativity and Quantum Cosmology · Physics 2024-10-01 Jianzhi Yang , Pedro V. P. Cunha , Carlos A. R. Herdeiro

We present higher order polynomial algebras which are the dynamical symmetry algebras of a wide class of multi-mode boson systems in non-linear optics. We construct their unitary representations and the corresponding single-variable…

Mathematical Physics · Physics 2014-11-20 Yuan-Harng Lee , Wen-Li Yang , Yao-Zhong Zhang

Radially-polarized light beams present very interesting and useful behavior for creating small intensity spots when tightly-focused, and manipulating nanostructures or charged particles. The modeling of the propagation of such vector beams,…

Optics · Physics 2024-04-23 Spencer W. Jolly

The classical model of non-line-of-sight (NLOS) single-scatter propagation for coplanar geometries was recently extended to include noncoplanar geometries; the calculation processes in the extended model are partly based on the Cartesian…

We present an extension to the Poisson-Boltzmann model where the dipolar features of solvent molecules are taken explicitly into account. The formulation is derived at mean-field level and can be extended to any order in a systematic…

Soft Condensed Matter · Physics 2012-01-31 Ariel Abrashkin , David Andelman , Henri Orland

Owing to its numerical simplicity, a two-dimensional two-electron model atom, with each electron moving in one direction, is an ideal system to study non-perturbatively a fully correlated atom exposed to a laser field. Frequently made…

Atomic Physics · Physics 2009-10-30 D. Bauer

A class of two-species ({\it three-states}) bimolecular diffusion-limited models of classical particles with hard-core reacting and diffusing in a hypercubic lattice of arbitrary dimension is investigated. The manifolds on which the…

Statistical Mechanics · Physics 2009-10-31 Mauro Mobilia , Pierre-Antoine Bares

A general model for the dynamics of arrays of coupled, spin-polarised lasers is derived, which is shown to reduce to both the spin flip model in a single cavity and the coupled mode model for a pair of guides in the appropriate limit. The…

Optics · Physics 2021-03-23 MP Vaughan , H Susanto , ID Henning , MJ Adams

We are interested in the modeling of wave propagation in poroelastic media. We consider the biphasic Biot's model in an infinite bilayered medium, with a plane interface. We adopt the Cagniard-De Hoop's technique. This report is devoted to…

Analysis of PDEs · Mathematics 2008-07-25 Julien Diaz , Abdelaâziz Ezziani

In this paper a review is given of a class of sub-models of both approaches, characterized by the fact that they can be solved exactly, highlighting in the process a number of generic results related to both the nature of pair-correlated…

Nuclear Theory · Physics 2014-01-30 P. Van Isacker , K. Heyde