Preprints

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2018-02-06
14:13
OpenAccess [FZJ-2018-01193] Preprint
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Leveraging heterogeneity for neural computation with fading memory in layer 2/3 cortical microcircuits
Complexity and heterogeneity are intrinsic to neurobiological systems, manifest in every process, at every scale, and are inextricably linked to the systems' emergent collective behaviours and function. However, the majority of studies addressing the dynamics and computational properties of biologically inspired cortical microcircuits tend to assume (often for the sake of analytical tractability) a great degree of homogeneity in both neuronal and synaptic/connectivity parameters. [...]
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2018-02-01
16:48
OpenAccess [FZJ-2018-01079] Preprint
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Conditions for traveling waves in spiking neural networks
Spatiotemporal patterns such as traveling waves are frequently observed in recordings of neural activity. The mechanisms underlying the generation of such patterns are largely unknown. [...]
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2018-01-18
14:59
OpenAccess [FZJ-2018-00615] Preprint
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Wilsonian renormalization group and the Lippmann-Schwinger equation with a multitude of cutoff parameters
The Wilsonian renormalization group approach to the Lippmann-Schwinger equation with a multitude of cutoff parameters is introduced. A system of integro-differential equations for the cutoff-dependent potential is obtained. [...]
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2018-01-18
14:57
OpenAccess [FZJ-2018-00614] Preprint
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Triviality of quantum electrodynamics revisited
Quantum electrodynamics is considered to be a trivial theory. This is based on a number of evidences, both numerical and analytical. [...]
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2018-01-18
13:28
OpenAccess [FZJ-2018-00595] Preprint/Report
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Toward Holographic Reconstruction of Bulk Geometry from Lattice Simulations
[SU-ITP-17-05, YITP-17-55, LLNL-JRNL-732009]
A black hole described in $SU(N)$ gauge theory consists of $N$ D-branes. By separating one of the D-branes from others and studying the interaction between them, the black hole geometry can be probed. [...]
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2018-01-18
13:26
OpenAccess [FZJ-2018-00594] Preprint
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An accurate calculation of the nucleon axial charge with lattice QCD
We report on a lattice QCD calculation of the nucleon axial charge, $g_A$, using M\'{o}bius Domain-Wall fermions solved on the dynamical $N_f=2+1+1$ HISQ ensembles after they are smeared using the gradient-flow algorithm. The calculation is performed with three pion masses, $m_\pi\sim\{310,220,130\}$ MeV. [...]
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2018-01-18
13:24
OpenAccess [FZJ-2018-00593] Preprint

METAQ: Bundle Supercomputing Tasks
We describe a light-weight system of bash scripts for efficiently bundling supercomputing tasks into large jobs, so that one can take advantage of incentives or discounts for requesting large allocations. The software can backfill computational tasks, avoiding wasted cycles, and can streamline collaboration between different users. [...]
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2018-01-03
10:59
[FZJ-2018-00025] Preprint
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Methodological Framework for Determining the Land Eligibility of Renewable Energy Sources

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2017-12-19
15:59
OpenAccess [FZJ-2017-08585] Preprint
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Spin dependence of {\eta} meson production in proton-proton collisions close to threshold
Taking advantage of the high acceptance and axial symmetry of the WASA-at-COSY detector, and the high degree of the polarized proton beam of COSY, the reaction pp{\to} pp{\eta} has been measured close to threshold to explore the analyzing power Ay. The angular distribution of Ay is determined with the precision improved by more than one order of magnitude with respect to previous results allowing a first accurate comparison with theoretical predictions. [...]
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2017-12-19
13:12
OpenAccess [FZJ-2017-08564] Preprint
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Technical Design Report for the Panda Forward Spectrometer Calorimeter
This document is devoted to the electromagnetic calorimeter of the Forward Spectrometer and describes the design considerations, the technical layout, the expected performance, and the production readiness..
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