中文
相关论文

相关论文: Scaling in many-body systems and proton structure …

200 篇论文

We study the structure of jets in proton-proton collisions at LHC energies using \textsc{Pythia} 8 Monte Carlo simulations. We demonstrate that the radial jet profiles exhibit scaling properties with charged-hadron event multiplicity over a…

高能物理 - 唯象学 · 物理学 2021-07-13 Antal Gemes , Robert Vertesi , Gabor Papp , Gergely Gabor Barnafoldi

A quantum many-body system can undergo transitions in the presence of continuous measurement. In this work, we find that a generic class of critical dynamical scaling behavior can emerge at these measurement-induced transitions. Remarkably,…

量子气体 · 物理学 2023-08-15 Zuo Wang , Shi-Liang Zhu , Li-Jun Lang , Liang He

We briefly review the concept of scaling and how it occurs in quasielastic electron and neutrino scattering from nuclei, and then the particular approach to scaling in the short-time approximation. We show that, while two-nucleon currents…

核理论 · 物理学 2021-06-15 S. Pastore , J. Carlson , S. Gandolfi , R. Schiavilla , R. B. Wiringa

Understanding non-equilibrium quantum dynamics of many-body systems is one of the most challenging problems in modern theoretical physics. While numerous approximate and exact solutions exist for systems in equilibrium, examples of…

量子气体 · 物理学 2010-12-09 Vladimir Gritsev , Peter Barmettler , Eugene Demler

The connection between the scaling function, directly extracted from the analysis of electron scattering data, and the nuclear spectral function or nuclear momentum density is investigated at depth. The dependence of the scaling function on…

核理论 · 物理学 2020-09-02 M. V. Ivanov , A. N. Antonov , J. A. Caballero

The tunneling process in a many-body system is a phenomenon which lies at the very heart of quantum mechanics. It appears in nature in the form of alpha-decay, fusion and fission in nuclear physics, photoassociation and photodissociation in…

The behavior of the nuclear matter response in the region of large momentum transfer, in which plane wave impulse approximation predicts the onset of y-scaling, is discussed. The theoretical analysis shows that scaling violations produced…

核理论 · 物理学 2009-10-31 Omar Benhar

The prospects for a determination of the strong coupling constant $\alpha_s$ via scaling violations of fragmentation functions in deeply inelastic scattering are studied. The statistical error in the case of an integrated luminosity of $250…

高能物理 - 唯象学 · 物理学 2016-09-06 Dirk Graudenz

Nuclear effects in deep inelastic scattering at low$-x$ are phenomenologically described changing the typical dynamical and/or kinematical scales characterizing the free nucleon case. In a holographic approach, this rescaling is an…

高能物理 - 唯象学 · 物理学 2015-06-18 L. Agozzino , P. Castorina , P. Colangelo

A new scaling variable is introduced in terms of which nuclear shadowing in deep-inelastic scattering is universal, i.e. independent of $A$, $Q^2$ and $x$. This variable can be interpreted as a measure of the number of gluons probed by the…

高能物理 - 唯象学 · 物理学 2007-05-23 Boris Kopeliovich , Bogdan Povh

For many-body systems with short range interaction a series of relations were derived connecting many properties of the system to the dynamics of a closely packed few-body subsystems. Some of these relations were experimentally verified in…

核理论 · 物理学 2016-12-21 Ronen Weiss , Ehoud Pazy , Nir Barnea

Long-range interacting many-body systems exhibit a number of peculiar and intriguing properties. One of those is the scaling of relaxation times with the number $N$ of particles in a system. In this paper I give a survey of results on…

统计力学 · 物理学 2017-02-14 Michael Kastner

We explore the application of a two-component model of proton structure functions in the analysis of deep-inelastic scattering (DIS) data at low $Q^2$ and small $x$. This model incorporates both vector meson dominance and the correct…

高能物理 - 唯象学 · 物理学 2019-11-21 X. G. Wang , A. W. Thomas

We consider a dynamic protocol for quantum many-body systems, which enables to study the interplay between unitary Hamiltonian driving and random local projective measurements. While the unitary dynamics tends to increase entanglement,…

统计力学 · 物理学 2020-07-15 Davide Rossini , Ettore Vicari

We study the dipole picture of high-energy virtual-photon-proton scattering. It is shown that different choices for the energy variable in the dipole cross section used in the literature are not related to each other by simple arguments…

高能物理 - 唯象学 · 物理学 2011-03-28 Carlo Ewerz , Andreas von Manteuffel , Otto Nachtmann

We illustrate geometric scaling for the photon-proton cross section with a very simple saturation model. We describe the proton structure function F2 at small x in a wide kinematical range with an elementary functional form and a small…

高能物理 - 唯象学 · 物理学 2009-11-07 S. Munier

So far the analyses of the polarized structure functions of the proton and neutron have been limited to the evaluation of their integrals and comparing them to the prediction of the static quark model of the nucleon. We extended our…

高能物理 - 唯象学 · 物理学 2018-10-30 B. Povh , M. Rosina

The influence of the initial fluctuations on the onset of scaling in the quench to zero temperature of a two dimensional system with conserved order parameter, is analyzed in detail with and without topological defects. We find that the…

凝聚态物理 · 物理学 2009-10-28 Claudio Castellano , Marco Zannetti

Clustering is one of the mayor collective phenomena observed in active matter. We study the overdamped motion of interacting active Brownian particles in two dimensions. An instability in the pair correlation function causes the onset of…

软凝聚态物质 · 物理学 2024-03-18 Rüdiger Kürsten

Quantum many-body systems exhibit a rich and diverse range of exotic behaviours, owing to their underlying non-classical structure. These systems present a deep structure beyond those that can be captured by measures of correlation and…