Cosmic filaments delay quenching inside clusters
  We investigate how large-scale cosmic filaments impact the quenching of
galaxies within one virial radius of 324 simulated clusters from The Three
Hundred project. We track cosmic filaments with the versatile,
observation-friendly program DisPerSE and identify halos hosting galaxies with
VELOCIRaptor. We find that cluster galaxies close to filaments tend to be more
star-forming, bluer, and contain more cold gas than their counterparts further
away from filaments. This effect is recovered at all stellar masses. This is in
stark contrast with galaxies residing outside of clusters, where galaxies close
to filaments show clear signs of density related pre-processing. We first show
that the density contrast of filaments is reduced inside the intra-cluster
medium. Moreover, examination of flows around and into cluster galaxies shows
that the gas flows in intra-cluster filaments are colder and tend to stream
along with galaxies in their midst, partially shielding them from strangulation
by the hot, dense intra-cluster medium. This also preserves accretion onto
satellites and limit ram pressure.
