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@arXiv_condmatstrel_bot@mastoxiv.page
2025-06-10 10:26:12

Generalized Symmetries Phase Transitions with Local Quantum Fields
Po-Shen Hsin
arxiv.org/abs/2506.07688 arxiv.org/pd…

Generalized Symmetries Phase Transitions with Local Quantum Fields
Symmetries are important guiding principle for phase transitions. We systematically construct field theory models with local quantum fields that exhibit the following phase transitions: (1) different symmetry protected topological (SPT) phases with generalized symmetries; (2) different symmetry enriched topological (SET) phases with generalized symmetries differ by symmetry fractionalizations; (3) spontaneously broken generalized symmetries, where the unbroken phases can have nontrivial SPT or …

@callunavulgaris@mastodon.scot
2025-08-09 18:55:37

Saturday night is film night, and today it's Absolute Beginners. I didn't see it when it came out, for no good reason. It should have a good soundtrack at least. #films

@servelan@newsie.social
2025-07-10 23:12:17

Oh, dear - did I call Fetterman a DINO?
'You aren't fooling us': Democratic senator called out for defending ICE ramp-up - Raw Story
rawstory.com/john-fetterman-26

@Techmeme@techhub.social
2025-09-08 17:55:42

In a September 5 filing in the US v. Google ad tech trial, Google said "the open web is already in rapid decline", contradicting Google's recent statements (Barry Schwartz/Search Engine Roundtable)
seroundtable.com/google-open-w

New Google Court Doc: Open Web Is In Rapid Decline
Google's CEO, Sundar Pichai, said in May that web publishing is not dying. Nick Fox, VP of Search at Google, said in May that the web is thriving. But in a court document filed by Google on late Fri

@leftsidestory@mstdn.social
2025-09-10 00:30:00

On The Road - To Xi’An/Urban Tomb 🪦
在路上 - 去西安/城市坟茔 🪦
📷 Pentax MX
🎞️Lucky SHD 400
#filmphotography #Photography #blackandwhite

Lucky Lucky SHD 400 (FF) English Alt Text: A black-and-white photo of a quiet park. A gravel path runs through the center, bordered by grass and trees. On the left, a person is slightly bent forward, possibly walking or interacting with something on the ground. The trees have white markings on their trunks. The right side is more open, with fewer trees and a bush in the foreground. The lighting is dim, suggesting early morning or evening. The scene feels peaceful yet mysterious, with the lone …
Lucky Lucky SHD 400 (FF) English Alt Text: A black-and-white photo of a wooden boardwalk stretching straight into the distance. Tall trees with white-painted trunks line both sides. The path is surrounded by grass and small plants. The symmetry and perspective create a calming, meditative mood. The setting appears natural and serene. 中文替代文本： 这是一张黑白照片，画面是一条笔直延伸的木质栈道。两侧是高大的树木，树干底部涂有白漆。栈道周围是草地和低矮植物。画面具有强烈的对称感和透视效果，营造出宁静、冥想的氛围。整体环境自然、安详。
Lucky Lucky SHD 400 (FF) English Alt Text: A black-and-white photo of a gentle hill with a row of trees along the top. A paved path leads up from the foreground, flanked by low rope barriers. On the far right of the hill stands a tall pole or monument with a figure or object atop. The sky is overcast, adding a somber tone. The composition is minimalist, emphasizing depth and contrast. 中文替代文本： 这是一张黑白照片，画面是一座缓坡，坡顶排列着一排树木。前景中有一条铺设的小路通向山丘，两侧是低矮的绳索围栏。山丘右侧矗立着一根高杆或纪念碑，顶端有一个物体或雕像。天空阴沉，营造出肃穆氛围。画面构图简洁，…
Lucky Lucky SHD 400 (FF) English Alt Text: A grainy black-and-white photo of a large open space. A paved path leads to a rectangular platform in the middle. Two trees stand on the right. In the distance, a city skyline with high-rise buildings looms under a cloudy sky. The image has a moody, dramatic feel due to low light and texture. It evokes solitude and contemplation. 中文替代文本： 这是一张颗粒感强烈的黑白照片，展示一个宽阔的空地。铺设的小路通向中间的一个矩形平台。右侧有两棵树。远处是高楼林立的城市天际线，天空阴云密布。由于光线昏暗和画面质感，整体氛围显得沉郁而富有戏剧性，令人感受到孤独与沉思。
@Mediagazer@mstdn.social
2025-09-08 17:55:42

In a September 5 filing in the US v. Google ad tech trial, Google said "the open web is already in rapid decline", contradicting Google's recent statements (Barry Schwartz/Search Engine Roundtable)
seroundtable.com/google-open-w

New Google Court Doc: Open Web Is In Rapid Decline
Google's CEO, Sundar Pichai, said in May that web publishing is not dying. Nick Fox, VP of Search at Google, said in May that the web is thriving. But in a court document filed by Google on late Fri

@shoppingtonz@mastodon.social
2025-07-09 18:49:32

Uploading 10 second clips goes much smoother and I get less upload errors...
This is part 2/3
#UFOSandyShores #GTAV #GTA5

I walk toward the middle of the UFO(Sandy Shores) and expect to be elevated and that happens! Then I start falling...
@arXiv_mathNA_bot@mastoxiv.page
2025-09-09 11:06:22

Chebyshev smoothing with adaptive block-FSAI preconditioners for the multilevel solution of higher-order problems
Pablo Jim\'enez Recio, Marc Alexander Schweitzer
arxiv.org/abs/2509.06744

Chebyshev smoothing with adaptive block-FSAI preconditioners for the multilevel solution of higher-order problems
In this paper, we assess the performance of adaptive and nested factorized sparse approximate inverses as smoothers in multilevel V-cycles, when smoothing is performed following the Chebyshev iteration of the fourth kind. For our test problems, we rely on the partition of unity method to discretize the biharmonic and triharmonic equations in a multilevel manner. Inspired by existing algorithms, we introduce a new adaptive algorithm for the construction of sparse approximate inverses, based on t…

@arXiv_condmatmtrlsci_bot@mastoxiv.page
2025-06-10 18:04:00

This arxiv.org/abs/2411.01824 has been replaced.
initial toot: mastoxiv.page/@a…

Imprinting electrically switchable scalar spin chirality by anisotropic strain in a Kagome antiferromagnet
Topological chiral antiferromagnets, such as Mn$_{3}$Sn, are emerging as promising materials for next-generation spintronic devices due to their intrinsic transport properties linked to exotic magnetic configurations. Here, we demonstrate that anisotropic strain in Mn$_{3}$Sn thin films offers a novel approach to manipulate the magnetic ground state, unlocking new functionalities in this material. Anisotropic strain reduces the point group symmetry of the manganese (Mn) Kagome triangles from $C…

@arXiv_condmatstrel_bot@mastoxiv.page
2025-07-09 09:00:52

Janus-faced influence of oxygen vacancy in high entropy oxide films with Mott electrons
Suresh Chandra Joshi, Nandana Bhattacharya, Manav Beniwal, Jyotirmay Maity, Prithwijit Mandal, Hua Zhou, Christoph Klewe, Srimanta Middey
arxiv.org/abs/2507.05879

Janus-faced influence of oxygen vacancy in high entropy oxide films with Mott electrons
Contrary to traditional approaches, high entropy oxides (HEOs) strategically employ cationic disorder to engineer tunable functionalities. This disorder, stemming from multiple elements at the same crystallographic site, disrupts local symmetry and induces local distortions. By examining a series of single-crystalline [La$_{0.2}$Pr$_{0.2}$Nd$_{0.2}$Sm$_{0.2}$Eu$_{0.2}$]NiO$_{3-δ}$ thin films, we demonstrate herein that the creation of oxygen vacancies (OVs) further offers a powerful means of t…