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cond-mat.mes-hall2014
Probing topological phase transition in silicene via Klein tunneling in a normal/ferromagnetic/normal silicene junction
Partha Goswami
The two apparently disparate phenomena, viz. the Klein tunneling and the electric field driven topological phase transition(TPT), exhibited by the silicene converge on the issue of…
cond-mat.mes-hall2014
Theoretical elucidation of possibility of Majorana modes in a two dimensional Dirac system
Partha Goswami
Here we present the theoretical clarification of possibility of eight Majorana-like modes (quasi-particles which are self-conjugate) close to the experimentally inaccessible Dirac…
cond-mat.mes-hall2014
Effect of disorder in the transition from topological insulator to valley-spin polarized state in silicene and Germanene
Partha Goswami
We start with the silicene or germanene single-particle Hamiltonian in buckled 2D hexagonal lattices expressed in terms of Dirac matrices in the Weyl basis. The Hamiltonian of thes…