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Pattern formation and phase transitions in systems with non-monotonic interaction
H. J. Zhao, V. R. Misko, F. M. Peeters
We analyzed pattern formation and identified different phases in a system of particles interacting through a non-monotonic short-range repulsive (r<r_c) and long-range attractive (…
Formation of multi-quanta vortices in superconductors: electronic, calorimetric and magnetic evidence
Ben Xu, M. V. Milošević, Shi-Hsin Lin +2
The ground state with vorticity larger than one in mesoscopic superconductors in applied magnetic field may manifest as a `giant'-vortex, where all vortices coalesce into a single…
Conditions for non-monotonic vortex interaction in two-band superconductors
A. Chaves, L. Komendová, M. V. Milošević +3
We describe a semi-analytic approach to the two-band Ginzburg-Landau theory, which predicts the behavior of vortices in two-band superconductors. We show that the character of the…
Wave packet dynamics and valley filter in strained graphene
Andrey Chaves, L. Covaci, Kh. Yu. Rakhimov +2
The time evolution of a wavepacket in strained graphene is studied within the tight-binding model and continuum model. The effect of an external magnetic field, as well as a strain…
Tuning of the spin-orbit interaction in a quantum dot by an in-plane magnetic field
M. P. Nowak, B. Szafran, F. M. Peeters +2
Using an exact diagonalization approach we show that one- and two-electron InAs quantum dots exhibit avoided crossing in the energy spectra that are induced by the spin-orbit coupl…
Bilayer graphene with single and multiple electrostatic barriers: band structure and transmission
M. Barbier, P. Vasilopoulos, F. M. Peeters +1
We evaluate the electronic transmission and conductance in bilayer graphene through a finite number of potential barriers. Further, we evaluate the dispersion relation in a bilayer…