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Photogalvanic effect in hydrodynamic flows of nonreciprocal electron liquids
E. Kirkinis, L. Bonds, A. Levchenko, A. V. Andreev
https://arxiv.org/abs/2507.06933

Photogalvanic effect in hydrodynamic flows of nonreciprocal electron liquids
We study nonlinear hydrodynamic electron transport driven by an AC electric field. In noncentrosymmetric conductors with broken time-reversal (TR) symmetry the nonlinear flow of such liquids is nonreciprocal, giving rise to a DC current $I^{DC}$ that is quadratic in the amplitude of the AC electric field. This is the hydrodynamic analogue of the linear photogalvanic effect (PGE), which arises in bulk noncentrosymmetric materials with broken TR symmetry. The magnitude of $I^{DC}$ depends on both…

Używam aktualnie dwóch routerów. Jeden — ten od operatora — stoi na parapecie w salonie, nad gniazdkiem światłowodu. Drugi stoi na korytarzu, razem ze switchem, i obsługuje wszystkie urządzenia.
W okolicach remontu, Lulu 🐱 nabawiła się solidnej wrogości wobec Ru 🐱. Po remoncie więc niejako podzieliły między siebie dom: Ru z reguły siedziała u mnie, a Lulu rządziła całą resztą. Przy tym jednym z jej ulubionych miejsc był, oczywiście, router na parapecie.
Z czasem jednak Ru zrobiła…

#Mediathek-Tipp: Roter Himmel (2023) von Christian Petzold mit Thomas Schubert, Paula Beer und Matthias Brandt.
Gut, dass Petzold sich von seinem ursprünglichen Plan verabschiedete, als zweiten Film seiner Trilogie nach Undine eine Dystopie zu filmen! Statt dessen gelang ihm etwas fast Unmögliches: ein leichter Sommerfilm mit Tiefgang. Genau der richtige Film, um sich vom S…

Kolmas saimaannorppa kuoli pyydykseen tänä vuonna – kuhaverkkoon hukkui tämän kevään kuutti https://yle.fi/a/74-20171621?origin=rss/Mastodon
Keväällä syntynyt saimaannorpan kuutti kuoli jäätyään kiinni kalastusverkkoon

Kolmas saimaannorppa kuoli pyydykseen tänä vuonna – kuhaverkkoon hukkui tämän kevään kuutti
Edelliset kaksi ilmoitettua pyydyskuolemaa olivat kesäkuussa löysänieluiseen katiskaan menehtynyt norppa ja avorysään kuollut norppa.

Purcell enhancement of photogalvanic currents in a van der Waals plasmonic self-cavity
Xinyu Li, Jesse Hagelstein, Gunda Kipp, Felix Sturm, Kateryna Kusyak, Yunfei Huang, Benedikt F. Schulte, Alexander M. Potts, Jonathan Stensberg, Victoria Quir\'os-Cordero, Chiara Trovatello, Zhi Hao Peng, Chaowei Hu, Jonathan M. DeStefano, Michael Fechner, Takashi Taniguchi, Kenji Watanabe, P. James Schuck, Xiaodong Xu, Jiun-Haw Chu, Xiaoyang Zhu, Angel Rubio, Marios H. Michael, Matthew W. Day, H…

Purcell enhancement of photogalvanic currents in a van der Waals plasmonic self-cavity
Cavities provide a means to manipulate the optical and electronic responses of quantum materials by selectively enhancing light-matter interaction at specific frequencies and momenta. While cavities typically involve external structures, exfoliated flakes of van der Waals (vdW) materials can form intrinsic self-cavities due to their small finite dimensions, confining electromagnetic fields into plasmonic cavity modes, characterized by standing-wave current distributions. While cavity-enhanced p…

Davante Adams skeptical Jaguars' Travis Hunter can play at 'high level' on both sides of ball for career https://www.nfl.com/news/davante-adams-skeptical-jaguars-travis-hunter-play-high-level-both-sides-career

PyDislocDyn: A Python code for calculating dislocation drag and other crystal properties
Daniel N. Blaschke
https://arxiv.org/abs/2509.02900 https://arxiv.…

PyDislocDyn: A Python code for calculating dislocation drag and other crystal properties
PyDislocDyn is a suite of python programs designed to perform various calculations for basic research in dislocation dynamics in metals with various crystal symmetries in the continuum limit. In particular, one of its main purposes is to calculate dislocation drag from phonon wind. Additional features include the averaging of elastic constants for polycrystals, the calculation of the dislocation field including its limiting velocities, and the calculation of dislocation self-energy and line ten…

Quantization of spin circular photogalvanic effect in altermagnetic Weyl semimetals
Hiroki Yoshida, Jan Priessnitz, Libor \v{S}mejkal, Shuichi Murakami
https://arxiv.org/abs/2509.05620

Quantization of spin circular photogalvanic effect in altermagnetic Weyl semimetals
We theoretically predict a spin-current analog of the quantized circular photogalvanic effect in Weyl semimetals. This phenomenon is forbidden in antiferromagnets by symmetry but uniquely allowed in altermagnets, highlighting a novel and intrinsic characteristic of altermagnetism. To systematically explore second-order spin current responses, we classify all symmetry-allowed responses based on spin point groups. Furthermore, we provide a comprehensive classification of altermagnetic Weyl semime…

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