220 citations · 464 across the 24 of their papers we have counts for
26 papers
Bodge: Python package for efficient tight-binding modeling of superconducting nanostructures
Jabir Ali Ouassou
Bodge is a free and open-source Python package for constructing large-scale real-space tight-binding models for calculations in condensed matter physics. "Large-scale" means that i…
Dzyaloshinskii-Moriya-type spin-spin interaction from mixed-parity superconductivity
Jabir Ali Ouassou, Takehito Yokoyama, Jacob Linder
Interacting impurity spins adsorbed on surfaces have been suggested as basic components for applications in quantum computation and spintronics. Such spins usually prefer a paralle…
Enhanced controllable triplet proximity effect in superconducting spin-orbit coupled spin valves with modified superconductor/ferromagnet interfaces
Alex T. Bregazzi, Jabir A. Ouassou, Arthur G. Coveney +7
In a superconductor/ferromagnet hybrid, a magnetically controlled singlet-to-triplet Cooper pair conversion can modulate the superconducting critical temperature. In these triplet…
Josephson effect in a fractal geometry
Morten Amundsen, Vladimir Juričić, Jabir Ali Ouassou
The Josephson effect is a hallmark signature of the superconducting state, which, however, has been sparsely explored in non-crystalline superconducting materials. Motivated by thi…
RKKY interaction in triplet superconductors: Dzyaloshinskii-Moriya-type interaction mediated by spin-polarized Cooper pairs
Jabir Ali Ouassou, Takehito Yokoyama, Jacob Linder
The Ruderman--Kittel--Kasuya--Yosida (RKKY) interaction governs the coupling between localized spins and is strongly affected by the environment in which these spins reside. In sup…
Transient dynamics and quantum phase diagram for the square lattice Rashba-Hubbard model at arbitrary hole doping
Erik Wegner Hodt, Jabir Ali Ouassou, Jacob Linder
Adding a Rashba term to the Hubbard Hamiltonian produces a model which can be used to learn how spin-orbit interactions impact correlated electrons on a lattice. Previous works hav…
dc Josephson Effect in Altermagnets
Jabir Ali Ouassou, Arne Brataas, Jacob Linder
The ability of magnetic materials to modify superconducting systems is an active research area for possible applications in thermoelectricity, quantum sensing, and spintronics. We…
Observation of magnetic state dependent thermoelectricity in superconducting spin valves
César González-Ruano, Diego Caso, Jabir Ali Ouassou +4
Superconductor-ferromagnet tunnel junctions demonstrate giant thermoelectric effects which are being exploited to engineer ultra-sensitive terahertz radiation detectors. Here, we e…
Complete magnetic control over the superconducting thermoelectric effect
Jabir Ali Ouassou, Cesar Gonzalez-Ruano, Diego Caso +2
Giant thermoelectric effects are known to arise at the interface between superconductors and strongly polarized ferromagnets, enabling the construction of efficient thermoelectric…
Applying endogenous learning models in energy system optimization
Jabir Ali Ouassou, Julian Straus, Marte Fodstad +2
Conventional energy production based on fossil fuels causes emissions which contribute to global warming. Accurate energy system models are required for a cost-optimal transition t…
A combined fluid-dynamic and thermodynamic model to predict the onset of rapid phase transitions in LNG spills
Karl Yngve Lervåg, Hans L. Skarsvåg, Eskil Aursand +8
Transport of liquefied natural gas (LNG) by ship occurs globally on a massive scale. The large temperature difference between LNG and water means LNG will boil violently if spilled…
Paramagnetic Meissner effect in voltage-biased proximity systems
Jabir Ali Ouassou, Wolfgang Belzig, Jacob Linder
Conventional superconductors respond to external magnetic fields by generating diamagnetic screening currents. However, theoretical work has shown that one can engineer systems whe…
Controlling spin supercurrents via nonequilibrium spin injection
Jabir Ali Ouassou, Jason W. A. Robinson, Jacob Linder
We propose a mechanism whereby spin supercurrents can be manipulated in superconductor/ferromagnet proximity systems via nonequilibrium spin injection. We find that if a spin super…
Voltage control of superconducting exchange interaction and anomalous Josephson effect
Jabir Ali Ouassou, Jacob Linder
Exerting control of the magnetic exchange interaction in heterostructures is of both basic interest and has potential for use in spin-based applications relying on quantum effects.…
Voltage-induced thin-film superconductivity in high magnetic fields
Jabir Ali Ouassou, Tom Doekle Vethaak, Jacob Linder
We predict that superconductivity in thin films can be stabilized in high magnetic fields if the superconductor is driven out of equilibrium by a DC voltage bias. For realistic mat…
Field-free nucleation of antivortices and giant vortices in non-superconducting materials
Morten Amundsen, Jabir Ali Ouassou, Jacob Linder
Giant vortices with higher phase-winding than are usually energetically unfavorable, but geometric symmetry constraints on a superconductor in a magnetic field are known to st…
Non-equilibrium quantum transport and analytical conductance formula in spin-textured diffusive superconducting heterostructures
Tom Doekle Vethaak, Jabir Ali Ouassou, Jacob Linder
We study non-equilibrium quantum transport of spin, heat, and charge in diffusive heterostructures including both superconductors and materials with spin-dependent fields, such as…
Conservation of spin supercurrents in superconductors
Jabir Ali Ouassou, Sol H. Jacobsen, Jacob Linder
We demonstrate that spin supercurrents are conserved upon transmission through a conventional superconductor, even in the presence of spin-dependent scattering by impurities with m…
Controlling supercurrents and their spatial distribution in ferromagnets
Kaveh Lahabi, Morten Amundsen, Jabir Ali Ouassou +5
Spin-triplet Cooper pairs induced in ferromagnets form the centrepiece of the emerging field of superconducting spintronics [1,2]. Usually the focus of research is on the spin pola…
Spectroscopic evidence of odd frequency superconducting order
Avradeep Pal, Jabir Ali Ouassou, Matthias Eschrig +2
Spin filter superconducting S/I/N tunnel junctions (NbN/GdN/TiN) show a robust and pronounced zero bias conductance peak at low temperatures, the magnitude of which is several time…
Spin-switch Josephson junctions with magnetically tunable shape
Jabir Ali Ouassou, Jacob Linder
With a combination of simple analytical arguments and extensive numerical simulations, we theoretically propose a Josephson junction with superconductors where the current-ph…
Analytically determined topological phase diagram of the proximity-induced gap in diffusive n-terminal Josephson junctions
Morten Amundsen, Jabir Ali Ouassou, Jacob Linder
Multiterminal Josephson junctions have recently been proposed as a route to artificially mimic topological matter with the distinct advantage that its properties can be controlled…
Triplet Cooper pairs induced in diffusive s-wave superconductors interfaced with strongly spin-polarized magnetic insulators or half-metallic ferromagnets
Jabir Ali Ouassou, Avradeep Pal, Mark Blamire +2
Interfacing superconductors with strongly spin-polarized magnetic materials opens the possibility to discover new spintronic devices in which spin-triplet Cooper pairs play a key r…
Microwave control of the superconducting proximity effect and minigap in magnetic and normal metals
Jacob Linder, Morten Amundsen, Jabir Ali Ouassou
We demonstrate theoretically that shining light on superconducting proximity structures controls the minigap and triplet proximity effect in normal and magnetic metals, respectivel…