Conservative Charge
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Related Articles from SNS
Conservative Charge and Current Deposition on Nonuniform 3D Cylindrical PIC Meshes with Residual Self-Field Diagnostics
arXiv:2606.09168v1 Announce Type: new Abstract: Particle-in-cell simulations on nonuniform cylindrical meshes require deposition schemes that respect cylindrical metrics while controlling numerical self-fields. This work develops cylindrical-volume-weighted charge and current deposition using nodal control volumes and swept-volume factors on logically structured stretched grids. Uniform-density and controlled-transport tests demonstrate accurate charge recovery, well-controlled...
Composite B-Spline Current Deposition and Interpolation Operators for Thin-Wire Finite-Difference Time-Domain Simulations
arXiv:2605.21450v3 Announce Type: replace Abstract: Holland-Simpson thin-wire finite-difference time-domain (FDTD) simulations of obliquely oriented closed-loop antennas exhibit persistent low-frequency parasitic currents because the current-deposition operator fails to conserve charge. This deposition operator, together with an interpolation operator that samples the tangential electric field along the wire, can be realized as regularizations of distributions: the wire current is deposited...
Conserved structural features of RNA export pores spanning the double membrane of arterivirus and coronavirus replication organelles
Corona- and arteriviruses are distantly related positive-stranded RNA virus families within the order Nidovirales. Both transform intracellular membranes into double-membrane vesicles (DMVs) that serve as replication organelles. Newly made viral RNA presumably exits DMVs through double-membrane-spanning molecular pores formed by coronavirus nsp3-nsp4 and arterivirus nsp2-nsp3.
Proton High-Order Cumulants in Au+Au Collisions at High Baryon Density from JAM with a Centrality-Independent Framework
arXiv:2606.00786v1 Announce Type: new Abstract: The event-by-event higher-order cumulants of conserved quantities such as net-baryon, net-electric charge, and net-strangeness in heavy-ion collisions have been extensively utilized in experimental searches for the QCD critical point, notably in the RHIC-STAR experiment. In this study, we conduct a systematic analysis of higher-order cumulants of proton number distributions in Au+Au collisions at center-of-mass energies of $\sqrt{s_{\rm NN}} =...
Fully-implicit Particle-in-Cell model of a Magnetic Nozzle with electromagnetic power deposition
arXiv:2606.09771v1 Announce Type: new Abstract: A fraction of the electromagnetic power used to generate and heat the plasma in helicon sources and electrodeless plasma thrusters can leak into the outer expansion region, interacting with the plasma in the magnetic nozzle and affecting the performance of the device. This work analyzes the properties of the plasma in a convergent-divergent magnetic nozzle when right-hand polarized waves of varying amplitude propagate into it. This is...
Measurement of reactor neutrino oscillation with the first JUNO data
Abstract Neutrino oscillations (see refs. 1,2 and references therein), a quantum effect manifesting at macroscopic scales, are governed by lepton flavour mixing angles and neutrino mass-squared differences3 that are fundamental parameters of particle physics, representing phenomena beyond the Standard Model. Precision measurements of these parameters are essential for testing the completeness of the three-flavour framework, determining the mass ordering of neutrinos and probing possible new...
Conservative Discrete Structure Stabilizes Autoregressive Rollouts in a 1D Drift Diffusion Poisson Benchmark
arXiv:2606.01366v1 Announce Type: new Abstract: Learned plasma transport surrogates can match short horizon states while failing over long rollouts because charge accounting, density admissibility, and Poisson compatible field reconstruction are not enforced. We study this issue in a controlled nondimensional one dimensional drift diffusion Poisson benchmark with Dirichlet electrostatic potential boundaries and zero species wall fluxes. The benchmark is a conservation and rollout test, not a...
Conservative Discrete Structure Stabilizes Autoregressive Rollouts in a 1D Drift Diffusion Poisson Benchmark
arXiv:2606.01366v1 Announce Type: cross Abstract: Learned plasma transport surrogates can match short horizon states while failing over long rollouts because charge accounting, density admissibility, and Poisson compatible field reconstruction are not enforced. We study this issue in a controlled nondimensional one dimensional drift diffusion Poisson benchmark with Dirichlet electrostatic potential boundaries and zero species wall fluxes. The benchmark is a conservation and rollout test, not...
Police rush to SCOTUS justice’s home amid rising threats against conservatives — but report quickly unravels
Police responded to a "swatting call" at the residence of Supreme Court Justice Amy Coney Barrett in Virginia on Wednesday evening, police confirmed, marking the latest security scare involving a conservative public figure. "Yesterday evening at approximately 9:02 p.m., officers responded to a swatting call at the residence of U.S. Supreme Court Justice in Fairfax County," a Fairfax County Police Department public information officer told Fox News Digital on Thursday when asked about reports...
Charlie Kirk murder case rocked by bid to keep bombshell evidence from public
Charlie Kirk murder case rocked by bid to keep bombshell evidence from public A Utah judge is set to decide whether to restrict access to parts of a July preliminary hearing and seal some exhibits in the case of the man accused of killing Charlie Kirk - Bookmark A Utah judge will decide Monday whether to shut the public and media out of key portions of a high-stakes hearing in the case of the man accused of assassinating conservative activist Charlie Kirk. Tyler Robinson, 23, is facing...