Tootfinder

Old servers are prepped and ready for their new owner and new home.
#homelab

Finite Length Effects and Coulomb Interaction in Ge Quantum Well-Based Josephson Junctions Probed with Microwave Spectroscopy
S. C. ten Kate, D. C. Ohnmacht, M. Coraiola, T. Antonelli, S. Paredes, F. J. Schupp, M. Hinderling, S. W. Bedell, W. Belzig, J. C. Cuevas, A. E. Svetogorov, F. Nichele, D. Sabonis
https://arxiv.org/abs/2508.06180

Finite Length Effects and Coulomb Interaction in Ge Quantum Well-Based Josephson Junctions Probed with Microwave Spectroscopy
Proximitized Ge quantum wells have emerged as a novel platform for studying Andreev bound states (ABSs), due to their expected strong spin-orbit interaction and high mobility. Here, we used microwave spectroscopy techniques to investigate ABSs in Josephson junctions (JJs) realized in proximitized Ge quantum wells. Spectroscopic signatures observed in a 350 nm junction indicated the presence of multiple ABSs, and were reproduced with a model including finite-length effects. The ABS spectra measu…

🇺🇦 #NowPlaying on BBCRadio3's #EssentialClassics
Cole Porter, James T. Lane, The Kiss Me Kate 2019 Broadway Ensemble & Paul Gemignani:
🎵 Too Darn Hot (Kiss me Kate)
#ColePorter #JamesTLane #TheKissMeKate2019BroadwayEnsemble #PaulGemignani

Spin transport phenomena in junctions composed of a compensated ferrimagnet and a normal metal
Xin Theng Lee, Takahiro Misawa, Mamoru Matsuo, Takeo Kato
https://arxiv.org/abs/2507.05618

Spin transport phenomena in junctions composed of a compensated ferrimagnet and a normal metal
Altermagnets and compensated ferrimagnets have attracted considerable attention as key building blocks in spintronics devices, owing to their dual advantages of ferromagnets and antiferromagnets. In particular, compensated ferrimagnets exhibit isotropic spin splitting in their electronic and magnon dispersions, despite having zero net magnetization. This characteristic feature enables spin transport phenomena analogous to those in ferromagnets. However, quantitative evaluations of such spin tra…

The new new case came in for the NES, fits perfectly. Still waiting on the replacement screw kit to come in along with the NES Slotmaster replacement which fixes the biggest issue with the frontloader. Even better: haven't sheared off any of the screws in the case unlike the previous one.
#retrogaming

Trade-Offs in EuBa2Cu3Oy Films containing Artificial Pinning Centers: Higher Critical Currents yet Faster Vortex Creep
Jiangteng Liu, Masashi Miura, Daisaku Yokoe, Takeharu Kato, Akira Ibi, Teruo Izumi, Serena Eley
https://arxiv.org/abs/2507.01119

Trade-Offs in EuBa2Cu3Oy Films containing Artificial Pinning Centers: Higher Critical Currents yet Faster Vortex Creep
The electromagnetic properties of type-II superconductors depend on vortices-magnetic flux lines whose motion introduces dissipation that can be mitigated by pinning from material defects. The material disorder landscape is tuned by the choice of materials growth technique and incorporation of impurities that serve as vortex pinning centers. For example, metal organic deposition (MOD) and pulsed laser deposition (PLD) produce high-quality superconducting films with uncorrelated versus correlate…

Finally got the laptop where I wanted it. Proper "nightlight", touchpad gestures, notifications that look correct for the theme, proper `fish` theme...Sway is just so nice to use.
#linux #sway #cachyos

Theory of chiral-phonon-activated spin Seebeck effect
Naoki Nishimura, Takumi Funato, Mamoru Matsuo, Takeo Kato
https://arxiv.org/abs/2505.23083 https://…

Theory of chiral-phonon-activated spin Seebeck effect
We theoretically explore the generation of spin current driven by a temperature gradient in a junction between a chiral insulator and a normal metal. Based on the gyromagnetic effect caused by microscopic rotation due to phonons, we derive a formula for a spin current when a finite temperature difference is imposed at two ends of the sample. We clarify how the spin current depends on the sample geometry, the thermal conductivity, the heat conductance at the interface, and the average temperatur…