6 citations · 16 across the 6 of their papers we have counts for
6 papers
Robust Majorana bound state in pseudo-spin domain wall of 2-D topological insulator
Subhadeep Chakraborty, Vivekananda Adak, Sourin Das
We investigate helical edge states (HES) emerging at the composite domain wall of spin and pseudo-spin degrees of freedom in a 2-D bulk governed by the Bernevig-Hughes-Zhang Hamilt…
Identification of odd-frequency superconducting pairing in Josephson junctions
Subhajit Pal, Aabir Mukhopadhyay, Vivekananda Adak +1
Optimal choice of spin polarization enables electron injection into the helical edge state at a precise position, despite the uncertainty principle, permitting access to specific n…
Volkov-Pankratov states on the edge of a quantum spin Hall system
Vivekananda Adak, Subhadeep Chakraborty, Krishanu Roychowdhury +1
Volkov-Pankratov (VP) states are a family of sub-gap states which appear at the smooth interface/domain wall between topologically distinct gapped states. We study the emergence of…
Chiral detection of Majorana bound states at the edge of a quantum spin Hall insulator
Vivekananda Adak, Aabir Mukhopadhyay, Suman Jyoti De +3
A hybrid setup consisting of a superconductivity-proximitized quantum spin Hall (QSH) insulator and a quantum anomalous Hall (QAH) insulator is proposed for chiral injection of ele…
Spin-polarized voltage probes for helical edge state: a model study
Vivekananda Adak, Krishanu Roychowdhury, Sourin Das
Theoretical models of a spin-polarized voltage probe (SPVP) tunnel-coupled to the helical edge states (HES) of a quantum spin Hall system (QSHS) are studied. Our first model of the…
Spin Berry phase in a helical edge state: Sz nonconservation and transport signatures
Vivekananda Adak, Krishanu Roychowdhury, Sourin Das
Topological protection of edge state in quantum spin Hall systems relies only on time-reversal symmetry. Hence, S z conservation on the edge can be relaxed which can have an interf…