Paper by Tsuji et al. is now accepted for publication in Physical Review Fluids
Mechanism of anomalous sinking of an intruder in a granular packing close to incipient fluidization
Phys. Rev. Fluids
Takuya Tsuji, Alexander Penn, Taisuke Hattori, Klaas P. Pruessmann, Christoph R. Müller, Jun Oshitani, Kimiaki Washino, and Toshitsugu Tanaka
Accepted 24 May 2021
https://doi.org/10.1103/physrevfluids.6.064305
PDF, Supplemental Video 1, 2, 3, 4, 5, 6