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_papers/Deka:2025vzx.md

@@ -31,9 +31,13 @@ abstract: |
   to the evaluation of the time-domain microlensing amplification
   factor $\widetilde{F}(t)$, for arbitrary lens configurations. We
   show this by constructing $\widetilde{F}(t)$ for two lens models,
-  viz. point-mass lens, and singular isothermal sphere. We benchmark
-  the evaluation times, and accuracy, of the surrogate microlensed
-  templates, and show that indeed surrogate modeling is a powerful
-  tool to make large-scale parameter estimation in the context of
-  microlensed GWs practicable.
+  viz. point-mass lens, and singular isothermal sphere, which notably
+  includes logarithmic divergence behaviour. We find both surrogates
+  reproduce the original lens models accurately, with mismatches
+  $\lesssim 5 \times 10^{-4}$ across a range of plausible microlensed
+  binary black hole sources observed by the Einstein Telescope. This
+  surrogate is between 5 and $10^3$ times faster than the underlying
+  lensing models, and can be evaluated in about 100 ms. The accuracy
+  and efficiency attained by our surrogate models will enable
+  practical parameter estimation analyses of microlensed GWs.
 ---

_papers/Moran:2025aqb.md

@@ -1,39 +1,38 @@
 ---
-title: "Effective resistivity in relativistic reconnection: a prescription based on fully kinetic simulations"
+title: "Effective Resistivity in Relativistic Reconnection: A Prescription Based on Fully Kinetic Simulations"
 authors:
   - "Moran, Abigail"
   - "Sironi, Lorenzo"
   - "Levis, Aviad"
   - "Ripperda, Bart"
   - "Most, Elias R."
   - "Selvi, Sebastiaan"
-jref:
-doi:
+jref: "Astrophys.J.Lett. 978, L45 (2025)"
+doi: "10.3847/2041-8213/ada158"
 date: 2025-01-08
 arxiv: "2501.04800"
 abstract: |
   A variety of high-energy astrophysical phenomena are powered by the
-  release -- via magnetic reconnection -- of the energy stored in
-  oppositely directed fields. Single-fluid resistive
-  magnetohydrodynamic (MHD) simulations with uniform resistivity yield
-  dissipation rates that are much lower (by nearly one order of
-  magnitude) than equivalent kinetic calculations. Reconnection-driven
-  phenomena could be accordingly modeled in resistive MHD employing a
-  non-uniform, ``effective'' resistivity informed by kinetic
-  calculations. In this work, we analyze a suite of fully kinetic
-  particle-in-cell (PIC) simulations of relativistic pair-plasma
-  reconnection -- where the magnetic energy is greater than the rest
-  mass energy -- for different strengths of the guide field orthogonal
-  to the alternating component. We extract an empirical prescription
-  for the effective resistivity, $\eta_{\mathrm{eff}} = \alpha B_0
-  \mathbf{|J|}^p / \left(|\mathbf{J}|^{p+1}+\left(e n_t
-  c\right)^{p+1}\right)$, where $B_0$ is the reconnecting magnetic
-  field strength, $\bf J$ is the current density, $n_t$ the lab-frame
-  total number density, $e$ the elementary charge, and $c$ the speed
-  of light. The guide field dependence is encoded in $\alpha$ and $p$,
-  which we fit to PIC data. This resistivity formulation -- which
-  relies only on single-fluid MHD quantities -- successfully
-  reproduces the spatial structure and strength of nonideal electric
-  fields, and thus provides a promising strategy for enhancing the
-  reconnection rate in resistive MHD simulations.
+  release—via magnetic reconnection—of the energy stored in oppositely
+  directed fields. Single-fluid resistive magnetohydrodynamic (MHD)
+  simulations with uniform resistivity yield dissipation rates that
+  are much lower (by nearly 1 order of magnitude) than equivalent
+  kinetic calculations. Reconnection-driven phenomena could be
+  accordingly modeled in resistive MHD employing a nonuniform,
+  “effective” resistivity informed by kinetic calculations. In this
+  work, we analyze a suite of fully kinetic particle-in-cell (PIC)
+  simulations of relativistic pair-plasma reconnection—where the
+  magnetic energy is greater than the rest mass energy—for different
+  strengths of the guide field orthogonal to the alternating
+  component. We extract an empirical prescription for the effective
+  resistivity, ηeff=αB0∣J∣p/∣J∣p+1+entcp+1, where B$_{0}$ is the
+  reconnecting magnetic field strength, J is the current density,
+  n$_{t}$ is the lab-frame total number density, e is the elementary
+  charge, and c is the speed of light. The guide field dependence is
+  encoded in α and p, which we fit to PIC data. This resistivity
+  formulation—which relies only on single-fluid MHD
+  quantities—successfully reproduces the spatial structure and
+  strength of nonideal electric fields and thus provides a promising
+  strategy for enhancing the reconnection rate in resistive MHD
+  simulations.
 ---