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In this work we present a reactions module for "Chaos Many-Body Engine" (Grossu et al., 2010 [1]). Following our goal of creating a customizable, object oriented code library, the list of all possible reactions, including the corresponding…

计算物理 · 物理学 2012-01-19 I. V. Grossu , C. Besliu , Al. Jipa , E. Stan , T. Esanu , D. Felea , C. C. Bordeianu

This work presents a new Microsoft Visual C# .NET code library, conceived as a general object oriented solution for chaos analysis of three-dimensional, relativistic many-body systems. In this context, we implemented the Lyapunov exponent…

计算物理 · 物理学 2014-11-18 I. V. Grossu , C. Besliu , Al. Jipa , D. Felea , C. C. Bordeianu , E. Stan , T. Esanu

Many-body chaos has emerged as a powerful framework for understanding thermalization in strongly interacting quantum systems. While recent analytic advances have sharpened our intuition for many-body chaos in certain large $N$ theories, it…

This study aims to comprehensively investigate the deep ensemble approach, an approximate Bayesian inference, in the multi-output regression task for predicting the aerodynamic performance of a missile configuration. To this end, the effect…

机器学习 · 计算机科学 2023-11-27 Sunwoong Yang , Kwanjung Yee

Constraining neutrino mass through cosmological observations relies on precise simulations to calibrate their effects on large scale structure, while these simulations must overcome computational challenges like dealing with large velocity…

宇宙学与河外天体物理 · 物理学 2025-07-08 Bing-Hang Chen , Jun-Jie Zhao , Hao-Ran Yu , Yu Liu , Jian-Hua He , Yipeng Jing

Chaotic systems are highly sensitive to a small perturbation, and are ubiquitous throughout biological sciences, physical sciences and even social sciences. Taking this as the underlying principle, we construct an operational notion for…

量子物理 · 物理学 2024-02-07 Neil Dowling , Kavan Modi

We compute the scrambling rate at the antiferromagnetic (AFM) quantum critical point, using the fixed point theory of Phys. Rev. X $\boldsymbol{7}$, 021010 (2017). At this strongly coupled fixed point, there is an emergent control parameter…

强关联电子 · 物理学 2019-12-04 Peter Lunts , Aavishkar A. Patel

We present some results obtained by applying the chaos theory on the numerical study of one threedimensional, relativistic, many-body quark system. The asymptotic freedom property is introduced by employing a harmonic term in the…

高能物理 - 唯象学 · 物理学 2009-07-07 I. V. Grossu , C. Besliu , Al. Jipa , D. Felea , C. C. Bordeianu

Many interesting phenomena are characterized by the complex interaction of different physical processes, each often best modeled numerically via a specific approach. In this paper, we present the design and implementation of an…

数学软件 · 计算机科学 2025-10-20 Juan Michael Sargado

We study many-body chaos in a (2+1)D relativistic scalar field theory at high temperatures in the classical statistical approximation, which captures the quantum critical regime and the thermal phase transition from an ordered to a…

统计力学 · 物理学 2019-08-21 Alexander Schuckert , Michael Knap

The energy levels of light hypernuclei are experimentally accessible observables that contain valuable information about the interaction between hyperons and nucleons. In this work we study strangeness $S = -1$ systems $^{3,4}_\Lambda$H and…

核理论 · 物理学 2022-11-23 D. Gazda , T. Yadanar Htun , C. Forssén

The vast majority of stochastic simulation models are imperfect in that they fail to exactly emulate real system dynamics. The inexactness of the simulation model, or model discrepancy, can impact the predictive accuracy and usefulness of…

统计方法学 · 统计学 2017-07-21 Matthew Plumlee , Henry Lam

We derive an effective field theory for general chaotic two-dimensional conformal field theories with a large central charge. The theory is a specific and calculable instance of a more general framework recently proposed in [1]. We discuss…

高能物理 - 理论 · 物理学 2018-10-22 Felix M. Haehl , Moshe Rozali

A comprehensive assessment of theoretical uncertainties defines an important frontier in nuclear structure research. Ideally, theory predictions include uncertainty estimates that take into account truncation effects from both the…

核理论 · 物理学 2026-02-23 Isak Svensson , Alexander Tichai , Kai Hebeler , Achim Schwenk

In the context of forthcoming galaxy surveys, to ensure unbiased constraints on cosmology and gravity when using non-linear structure information, percent-level accuracy is required when modelling the power spectrum. This calls for…

Runko is a new open-source plasma simulation framework implemented in C++ and Python. It is designed to function as an easy-to-extend general toolbox for simulating astrophysical plasmas with different theoretical and numerical models.…

计算物理 · 物理学 2022-08-10 J. Nättilä

We study numerically classical 1-dimensional Hamiltonian lattices involving inter-particle long range interactions that decay with distance like 1/r^alpha, for alpha>=0. We demonstrate that although such systems are generally characterized…

混沌动力学 · 物理学 2015-09-01 Helen Christodoulidi , Tassos Bountis , Lambros Drossos

Despite recent advances and focus on rigorous uncertainty quantification for microscopic models of quantum many-body systems, the uncertainty on the dynamics of those systems has been under-explored. To address this, we have used…

核理论 · 物理学 2022-11-30 K. Godbey , A. S. Umar , C. Simenel

Quantum simulators offer a new opportunity for the experimental exploration of non-equilibrium quantum many-body dynamics, which have traditionally been characterized through expectation values or entanglement measures, based on density…

量子物理 · 物理学 2025-06-27 Zhiguang Yan , Zi-Yong Ge , Rui Li , Yu-Ran Zhang , Franco Nori , Yasunobu Nakamura

This paper presents a new C++ framework, DELPHES, performing a fast multipurpose detector response simulation. The simulation includes a tracking system, embedded into a magnetic field, calorimeters and a muon system, and possible very…

高能物理 - 唯象学 · 物理学 2010-04-12 S. Ovyn , X. Rouby , V. Lemaitre
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