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Coulomb Blockade in Fractional Topological Superconductors
Younghyun Kim, David J. Clarke, Roman M. Lutchyn
We study charge transport through a floating mesoscopic superconductor coupled to counterpropagating fractional quantum Hall edges at filling fraction . We consider a superc…
Origin and Transport Signatures of Spin-Orbit Interactions in One- and Two-Dimensional SrTiO-Based Heterostructures
Younghyun Kim, Roman M. Lutchyn, Chetan Nayak
We study origin of Rashba spin-orbit interaction at SrTiO surfaces and LaAlO/SrTiO interfaces by considering the interplay between atomic spin-orbit coupling and invers…
Magnetic and Superconducting Ordering at LaAlO3/SrTiO3 Interfaces
Lukasz Fidkowski, Hong-Chen Jiang, Roman M. Lutchyn +1
We formulate a model for magnetic and superconducting ordering at LaAlO3/SrTiO3 interfaces containing both localized magnetic moments and itinerant electrons. Though these both ori…
Universal transport signatures of Majorana fermions in superconductor-Luttinger liquid junctions
L. Fidkowski, J. Alicea, N. Lindner +2
One of the most promising proposals for engineering topological superconductivity and Majorana fermions employs a spin-orbit coupled nanowire subjected to a magnetic field and prox…
Majorana Zero Modes in 1D Quantum Wires Without Long-Ranged Superconducting Order
Lukasz Fidkowski, Roman M. Lutchyn, Chetan Nayak +1
We show that long-ranged superconducting order is not necessary to guarantee the existence of Majorana fermion zero modes at the ends of a quantum wire. We formulate a concrete mod…
Robustness of Majorana fermions in 2D topological superconductors
Jay D. Sau, Roman M. Lutchyn, Sumanta Tewari +1
In 2D chiral p-wave superconductors, the zero-energy Majorana fermion excitations trapped at vortex cores follow non-Abelian statistics which can be potentially exploited to build…