« return to main menu


Self-propelling mass transport in conical tubes





3D-lattice kinetic Monte Carlo simulation

conical geometry causes chemical potential gradient along the filling

the center of mass position obeys a root law: x_CM ~ (t-t₀)^a

conserved-order-parameter Ising model with nearest neighbor (NN) interaction J_NN

f.c.c. lattice (12 NNs; J_NN/kT_c = 0.40837)

here: J_NN/kT = 1.0

color key: coordination number from red (monomers) to purple (12 NNs)

number of atoms = 122'796

time is measured in Monte Carlo steps (MCS)

f.c.c. metals: Cu (a = 0.1801 nm), Au (a = 0.2039 nm), Ag (a = 0.2043 nm)

---

Copyright: Dr. Lars Röntzsch, Dresden, GERMANY.