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Side-gate modulation of critical current in mesoscopic Josephson junction
Niels Asger Mortensen, Georg Bastian
We study the normal state conductance and the Josephson current in a superconductor-2DEG-superconductor structure where the size/shape of the 2DEG-region can be modified by an addi…
The magnetic neutron scattering resonance of high-T_c superconductors in external magnetic fields: an SO(5) study
Niels Asger Mortensen, H. M. Ronnow, Henrik Bruus +1
The magnetic resonance at 41 meV observed in neutron scattering studies of Y Ba_2 Cu_3 O_7 holds a key position in the understanding of high-T_c superconductivity. Within the SO(5)…
Conductance enhancement in quantum point contact-semiconductor-superconductor devices
Niels Asger Mortensen, Antti-Pekka Jauho, Karsten Flensberg +1
We present numerical calculations of the conductance of an interface between a phase-coherent two-dimensional electron gas and a superconductor with a quantum point contact in the…
Angle dependence of Andreev scattering at semiconductor-superconductor interfaces
Niels Asger Mortensen, Karsten Flensberg, Antti-Pekka Jauho
We study the angle dependence of the Andreev scattering at a semiconductor-superconductor interface, generalizing the one-dimensional theory of Blonder, Tinkham and Klapwijk. An in…