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A status report about the International Lattice Data Grid (ILDG) is given. Different countries participating in the ILDG have created regional lattice data grid solutions that are implemented, working and used. The remaining task and the…

High Energy Physics - Lattice · Physics 2011-07-19 Karl Jansen

We report on status and perspectives of the International Lattice Data Grid. ILDG was established some twenty years ago as a community-wide initiative to enable the sharing of gauge configurations generated by many major lattice…

High Energy Physics - Lattice · Physics 2024-01-29 F. Di Renzo

Scattering experiments are at the heart of high-energy physics (HEP), breaking matter down to its fundamental constituents, probing its formation, and providing deep insight into the inner workings of nature. In the current huge drive to…

Understanding the limits imposed on information storage capacity of physical systems is a problem of fundamental and practical importance which bridges physics and information science. There is a well-known upper bound on the amount of…

Information Theory · Computer Science 2013-08-26 Beni Yoshida

We consider many-body quantum systems on a finite lattice, where the Hilbert space is the tensor product of finite-dimensional Hilbert spaces associated with each site, and where the Hamiltonian of the system is a sum of local terms. We are…

Mathematical Physics · Physics 2021-11-04 Matthew B. Hastings

High-energy physics (HEP) provides ever-growing amount of data. To analyse these, continuously-evolving computational power is required in parallel by extending the storage capacity. Such developments play key roles in the future of this…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-03-10 Gábor Bíró , Gergely Gábor Barnaföldi , Péter Lévai

In this paper, we propose a hybrid lattice Boltzmann method (HLBM) for solving fluid-structure interaction problems. The proposed numerical approach is applied to model the flow induced by a vibrating thin lamina submerged in a viscous…

Computational Physics · Physics 2020-06-25 Giovanni Di Ilio , Daniele Chiappini , Stefano Ubertini , Gino Bella , Sauro Succi

The distributed Grid infrastructure for High Energy Physics experiments at the Large Hadron Collider (LHC) in Geneva comprises a set of computing centres, spread all over the world, as part of the Worldwide LHC Computing Grid (WLCG). In…

Distributed, Parallel, and Cluster Computing · Computer Science 2021-06-07 Tommaso Diotalevi , Antonio Falabella , Barbara Martelli , Diego Michelotto , Lucia Morganti , Daniele Bonacorsi , Luca Giommi , Simone Rossi Tisbeni

This work presents a theoretical study of a protocol for dynamical generation and storage of the durable, highly entangled Greenberger-Horne-Zeilinger (GHZ) state in a system composed of bosonic atoms loaded into a one-dimensional optical…

Quantum Physics · Physics 2023-03-14 Maciej Kościelski

Data access is key to science driven by distributed high-throughput computing (DHTC), an essential technology for many major research projects such as High Energy Physics (HEP) experiments. However, achieving efficient data access becomes…

In this article we describe the migration of event data collected by the COMPASS and HARP experiments at CERN. Together these experiments have over 300TB of physics data stored in Objectivity/DB that had to be transferred to a new data…

High Energy Physics - Experiment · Physics 2007-05-23 Marcin Nowak , Krzysztof Nienartowicz , Andrea Valassi , Magnus Lubeck , Dirk Geppert

We present a nonequilibrium strong-coupling approach to inhomogeneous systems of ultracold atoms in optical lattices. We demonstrate its application to the Mott-insulating phase of a two-dimensional Fermi-Hubbard model in the presence of a…

Strongly Correlated Electrons · Physics 2014-02-25 A. Dirks , K. Mikelsons , H. R. Krishnamurthy , J. K. Freericks

This paper extends the recently obtained complete and continuous map of the Lattice Isometry Space (LISP) to the practical case of dimension 3. A periodic 3-dimensional lattice is an infinite set of all integer linear combinations of basis…

Computational Geometry · Computer Science 2021-09-24 Matthew Bright , Andrew I Cooper , Vitaliy Kurlin

Molecular dynamics computer simulations of collective excitations in a system of hard disks confined to a narrow channel of the specific width, that resembles 2D triangular lattice at disk close packing, are performed. We found that…

Soft Condensed Matter · Physics 2020-09-09 Adrian Huerta , Taras Bryk , Andrij Trokhymchuk

The POOL project is the common persistency framework for the LHC experiments to store petabytes of experiment data and metadata in a distributed and grid enabled way. POOL is a hybrid event store consisting of a data streaming layer and a…

Databases · Computer Science 2007-05-23 C. Cioffi , S. Eckmann , M. Girone , J. Hrivnac , D. Malon , H. Schmuecker , A. Vaniachine , J. Wojcieszuk , Z. Xie

Data-intensive physics facilities are increasingly reliant on heterogeneous and large-scale data processing and computational systems in order to collect, distribute, process, filter, and analyze the ever increasing huge volumes of data…

High Energy Physics - Experiment · Physics 2022-03-21 Rainer Bartoldus , Catrin Bernius , David W. Miller

Particle and nuclear physics are moving toward a new generation of experiments to stress-test the Standard Model (SM), search for novel degrees of freedom, and comprehensively map the internal structure of hadrons. Due to the complex nature…

High Energy Physics - Phenomenology · Physics 2019-07-16 T. J. Hobbs , Bo-Ting Wang , Pavel M. Nadolsky , Fredrick I. Olness

An overview and status report of the new trapping facility for highly charged ions at the Gesellschaft fuer Schwerionenforschung is presented. The construction of this facility started in 2005 and is expected to be completed in 2008. Once…

A system of interacting dipoles is of paramount importance for understanding of many-body physics. The interaction between dipoles is {\it anisotropic} and {\it long-range}. While the former allows to observe rich effects due to different…

Quantum Gases · Physics 2014-06-05 O. Dutta , M. Lewenstein , J. Zakrzewski

We propose that a tunable generalized three-dimensional Hofstadter Hamiltonian can be realized by engineering the Raman-assisted hopping of ultracold atoms in a cubic optical lattice. The Hamiltonian describes a periodic lattice system…

Quantum Gases · Physics 2017-04-19 Dan-Wei Zhang , Rui-Bin Liu , Shi-Liang Zhu