Zobrazeno 1 - 10
of 18
pro vyhledávání: '"Kokkeler, Tim"'
We present a quantum transport theory for generic magnetic metals, in which magnetism occurs predominantly due to exchange interactions, such as ferromagnets, antiferromagnets, altermagnets and p-wave magnets. Our theory is valid both for the normal
Externí odkaz:
http://arxiv.org/abs/2412.10236
Noise and current measurements are key tools for studying mesoscopic systems, revealing insights beyond conductance alone. For instance, noise measurements show that transport carriers in conventional superconductors have charge 2e. The noise power a
Externí odkaz:
http://arxiv.org/abs/2411.02011
We present an effective field theory for a unified description of transport in normal and superconducting metals in the presence of generic spin-orbit coupling (SOC). The structure of the quantum kinetic theory in the diffusive regime is determined b
Externí odkaz:
http://arxiv.org/abs/2405.06334
Publikováno v:
SciPost Phys. 16, 055 (2024)
The search for superconducting systems exhibiting nonreciprocal transport and, specifically, the diode effect, has proliferated in recent years. This trend encompasses a wide variety of systems, including planar hybrid structures, asymmetric SQUIDs,
Externí odkaz:
http://arxiv.org/abs/2309.00495
In non-centrosymmetric superconductors the pair potential has both even-parity singlet and odd-parity triplet components. If time-reversal symmetry is broken, the superconducting phase of these components is not the same, for example in anapole super
Externí odkaz:
http://arxiv.org/abs/2305.18918
We study the electronic transport properties of a superconductor (S) with a mixed s+p-wave pairing attached to a ferromagnetic metal (F) and a normal electrode (N) in an SFN configuration. Using the quasiclassical Green's function method, we compute
Externí odkaz:
http://arxiv.org/abs/2212.00346
We study the transport properties of a diffusive Josephson junction between two spin-split superconductors made of superconductor-ferromagnetic insulator bilayers (FIS) on top of a 3D topological insulator (TI). We derive the corresponding Usadel equ
Externí odkaz:
http://arxiv.org/abs/2209.13987
An SNN-junction in which the superconducting potential is a mixture between s-wave and p-wave potentials is investigated using the Usadel equation equipped with Tanaka-Nazarov boundary conditions. The article provides several ways to distinguish betw
Externí odkaz:
http://arxiv.org/abs/2208.06657
Publikováno v:
Physical Review B 105, 214512 (2022)
We derive a boundary condition for the Nambu Keldysh Green's function in diffusive normal metal / unconventional superconductor junctions applicable for mixed parity pairing. Applying this theory to a 1d model of $s+p$-wave superconductor, we calcula
Externí odkaz:
http://arxiv.org/abs/2203.01660
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