Tootfinder

Non-Altermagnetic Origin of Exchange Bias Behaviors in Incoherent RuO$_2$/Fe Bilayer Heterostructures
Shelby S. Fields, Joseph C. Prestigiacomo, Cory D. Cress, Nicholas G. Combs, Olaf van 't Erve, Patrick G. Callahan, Keith E. Knipling, Michelle E. Jamer, Frank M. Abel, Feng Ye, Arianna Minelli, Zachary J. Morgan, Haile Ambaye, Masaaki Matsuda, Avishek Maity, Valeria Lauter, Steven P. Bennett

Non-Altermagnetic Origin of Exchange Bias Behaviors in Incoherent RuO$_2$/Fe Bilayer Heterostructures
Initially identified as a promising altermagnetic (AM) candidate, rutile RuO$_2$ has since become embroiled in controversy due to contradictory findings of modeling and measurements of the magnetic properties of bulk crystals and thin films. For example, despite observations of a bulk non-magnetic state using density functional theory, neutron scattering, and muon spin resonance measurements, patterned RuO$_2$ Hall bars and film heterostructures display magnetotransport signatures of magnetic o…

Beam-Normal Single-Spin Asymmetry in $^{208}$Pb at low energy: discrepancy resolved or new kinematic puzzle?
A. Esser, N. Kozyrev, K. Aulenbacher, S. Baunack, M. Dehn, A. Del Vincio, L. Doria, M. Hoek, F. Keil, F. Maas, H. Merkel, M. Mihovilovic, U. M\"uller, J. Pochodzalla, B. S. Schlimme, T. Shao, S. Stengel, M. Thiel, L. Wilhelm, C. Sfienti
https://

Beam-Normal Single-Spin Asymmetry in $^{208}$Pb at low energy: discrepancy resolved or new kinematic puzzle?
A longstanding discrepancy between measured and predicted beam-normal single-spin asymmetries $A_{n}$ in elastic electron scattering off $^{208}$Pb has challenged our understanding of two-photon exchange (TPE) in heavy nuclei. We report a new measurement at 570 MeV and $Q^2$=0.04 $GeV^2$/$c^2$, yielding$A_n = (-9.1 \pm 2.1~\text{(stat)} \pm 0.7~\text{(syst)})~\mathrm{ppm}$. This nonzero value contrasts with previous results at higher energies and suggests a kinematic dependence of TPE effects n…

Les dev front m'impressionnent.
Apparemment, il faut faire des Single Page Applications, mais avec des URLs différentes par page (non basées sur les fragments) et utiliser du Server Side Rendering pour le SEO. Mais c'est une SPA, hein 🤣
#frontend

Topologically 1-based T-minimal Structures
Benjamin Castle, Assaf Hasson, Will Johnson
https://arxiv.org/abs/2508.18558 https://arxiv.org/pdf/2508.18558

Topologically 1-based T-minimal Structures
We prove group existence and structure theorems in a general setting of tame topological theories. More precisely, we identify a linear/non-linear dividing line -- called topological 1-basedness -- among the class of t-minimal theories with the independent neighborhood property. This is a wide class including all visceral theories, as well as all dense weakly o-minimal and C-minimal theories (even those where exchange fails). Now assume $\mathcal M$ is highly saturated and t-minimal with the …

Many-body skyrmion interactions in helimagnets
N. P. Vizarim, J. C. Bellizotti Souza, Ra\'i M. Menezes, Cl\'ecio C. de Souza Silva, P. A. Venegas, M. V. Milo\v{s}evi\'c
https://arxiv.org/abs/2509.12172

Many-body skyrmion interactions in helimagnets
Many-body interactions strongly influence the structure, stability, and dynamics of condensed-matter systems, from atomic lattices to interacting quasi-particles such as superconducting vortices. Here, we investigate theoretically the pairwise and many-body interaction terms among skyrmions in helimagnets, considering both the ferromagnetic and conical spin backgrounds. Using micromagnetic simulations, we separate the exchange, Dzyaloshinskii-Moriya, and Zeeman contributions to the skyrmion-sky…

Dites le team vélo, je galère comme un ouf avec le réglage de mon dérailleur avant. Question de noob. Qqn saurait m'aider ?
Le symptome : ma chaine ADORE le plateau du milieu et refuse et de monter et de descendre. Quand je détends le cable, ça frotte pour descendre, mais ça descend pas. Quand je tends le cable, ça frotte pour monter, mais ça monte pas.
Niveau réglage des butées, j'ai essayé de les dévisser intégralement pour m'assurer que c'était pas les butées q…

Extraction of neutron-capture cross sections on $^{92}$Zr using the charge-exchange Oslo method
N. D. Pathirana, R. G. T. Zegers, B. Gao, A. Spyrou, A. C. Larsen, H. Berg, D. Bazin, H. L. Crawford, A. Gade, P. Gastis, T. Ginter, C. J. Guess, M. Guttormsen, S. Noji, B. Longfellow, J. Pereira, L. A. Riley, D. Weisshaar, J. C. Zamora
https://…

Extraction of neutron-capture cross sections on $^{92}$Zr using the charge-exchange Oslo method
The $^{93}$Nb($t$,$^{3}$He) reaction at 115 MeV/u was studied to demonstrate that nuclear level densities and $γ$-ray strength functions can be extracted from charge-exchange reactions at intermediate energies using the Oslo technique. The matrix of excitation energy in $^{93}$Zr, reconstructed from the ($t$,$^{3}$He) reaction, versus the energy of $γ$ rays emitted by the excited $^{93}$Zr nuclei, was obtained in an experiment with the S800 Spectrograph operated in coincidence with the GRETIN…

Intrinsic Layer-Dependent Surface Energy and Exfoliation Energy of van der Waals Materials
Lin-Lin Wang, Jiaqiang Yan, Yong Han, Claire C. Wang, Jian-Xiang Qiu, Su-Yang Xu, Adam Kaminski, Michael C. Tringides, Paul C. Canfield
https://arxiv.org/abs/2508.04898

Intrinsic Layer-Dependent Surface Energy and Exfoliation Energy of van der Waals Materials
Stacking and twisting 2D van der Waals (vdW) layers have become versatile platforms to tune electron correlation. These platforms rely on exfoliating vdW materials down to a single and few vdW layers. We calculate the intrinsic layer-dependent surface and exfoliation energies of typical vdW materials such as, graphite, h-BN, black P, MX$_2$ (M=Mo and W, X=S, Se and Te), MX (M=Ga and In, X=S, Se and Te), Bi$_2$Te$_3$ and MnBi$_2$Te$_4$ using density functional theory. For exchange-correlation fu…

Revisiting the Poor Man's Majoranas: The Spin-Exchange Induced Spillover Effect
J. E. Sanches, T. M. Sobreira, L. S. Ricco, M. S. Figueira, A. C. Seridonio
https://arxiv.org/abs/2509.05088

Revisiting the Poor Man's Majoranas: The Spin-Exchange Induced Spillover Effect
We give a review on Poor Man's Majorana (PMM) modes, which are theoretically established in the minimal Kitaev chain implementation consisting of two grounded, spinless quantum dots (QDs) operating at the sweet spot condition, where electron cotunneling and crossed Andreev reflection amplitudes achieve precise balance. Particularly, we systematically review, within the Green's functions theoretical framework, the PMM hybridization dynamics under spin-exchange perturbations proposed by some of u…

The beta decay of Tz=-2 64Se and its descendants: the T=2 isobaric multiplet
P. Aguilera, F. Molina, B. Rubio, S. E. A. Orrigo, W. Gelletly, Y. Fujita, J. Agramunt, A. Algora, V. Guadilla, A. Montaner-Piz\'a, A. I. Morales, H. F. Arellano, P. Ascher, B. Blank, M. Gerbaux, J. Giovinazzo, T. Goigoux, S. Gr\'evy, T. Kurtukian Nieto, C. Magron, J. Chiba, D. Nishimura, S. Yagi, H. Oikawa, Y. Takei, D. S. Ahn, P. Doornenbal, N. Fukuda, N. Inabe, T. Kubo, S. Kubono, S. Nishimura, Y. S…

The beta decay of Tz=-2 64Se and its descendants: the T=2 isobaric multiplet
In this paper we present our results on the decay of 64Se. It is the heaviest Tz=-2 nucleus that both beta decays and has a stable mirror partner Tz=+2, thus allowing comparison with charge exchange reaction studies. The beta decays of 64Se and its descendants were studied at the RIKEN Nishina Center (Tokyo, Japan) following their production in the fragmentation of 78Kr on a beryllium target. Beta-delayed gamma-ray and particle radiation was identified for each of the nuclei in the decay chain …