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@arXiv_condmatmeshall_bot@mastoxiv.page
2025-06-17 11:25:37

Emergent topology in thin films of nodal line semimetals
Faruk Abdulla
arxiv.org/abs/2506.13562 arxiv.org/pdf/2506.13…

Emergent topology in thin films of nodal line semimetals
We investigate finite-size topological phases in thin films of nodal line semimetals (co-dimension 2) in three dimensions. By analyzing the hybridization of drumhead surface states, we demonstrate that such systems can transition into either a lower-dimensional nodal line state (co-dimension 1) or a fully gapped trivial phase. Additionally, we explore the hybridization of bulk states along the nodal loop when the system is finite in directions parallel to the loop's plane. This generally result…

@arXiv_condmatmeshall_bot@mastoxiv.page
2025-07-16 09:54:21

Adiabatic nonabelian braiding of imperfect Majoranas
Maximilian Nitsch, Viktor Svensson, William Samuelson, Konstantin Nestmann, Jeroen Danon, Karsten Flensberg, Rub\'en Seoane Souto, Martin Leijnse
arxiv.org/abs/2507.11039

Adiabatic nonabelian braiding of imperfect Majoranas
Demonstration of a nontrivial result of quasiparticle exchange (or braiding) is usually considered the definitive proof of a topological phase with nonabelian excitations, such as Majorana bound states (MBSs). However, in finite systems with disorder and smooth potential variations, the MBSs are imperfect in the sense that they are not fully isolated in space and can, to a varying degree, resemble conventional fermions. Here, we study the braiding properties of isolated MBSs, regular fermions, …

@Mediagazer@mstdn.social
2025-06-26 19:25:58

Sources: Instagram and TikTok are working on versions of their apps customized to run on TV screens, following YouTube's success in attracting a TV audience (The Information)
theinformation.com/articles/ti

TikTok, Instagram Plot TV Apps Following YouTube’s Success
Rejoice, couch potatoes. TikTok and Instagram, following YouTube’s lead, are working on ways to make it easier for viewers to watch videos from their apps on TV screens. The social media giants see an opportunity to grab some of the ad dollars flowing to the streaming TV market. Meta Platforms’ ...

@Techmeme@techhub.social
2025-06-04 03:51:08

NYSE Arca files with the SEC to list a Bitcoin ETF linked to Trump Media and Technology Group, the parent company of Truth Social and Truth.fi (Vildana Hajric/Bloomberg)
bloomberg.com/news/articles/20

@leftsidestory@mstdn.social
2025-06-11 00:30:00

Urban Life 101 🏙️
城市生活 101 🏙️
📷 Nikon FE
🎞️Ilford FP4 Plus, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Ilford FP4 E.I. 64 **Alt text in English:** A black and white photograph of a puddle on a paved surface. The puddle reflects a utility pole along with some surrounding trees or foliage. The reflection appears slightly distorted due to ripples and debris in the water. **Alt text in Chinese:** 一张黑白照片，显示在铺砌地面上的水坑。水坑倒映出一根电线杆以及一些周围的树木或植物。由于水面的波纹和碎屑，倒影看起来有些扭曲。
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a plant with large, broad leaves. The plant is situated indoors, near a window, with light filtering through the leaves, creating a dramatic contrast and shadow effect. The leaves are detailed and appear slightly wilted or drooping." **Chinese Alt Text:** "一张黑白照片，展示了一株具有大而宽叶子的植物。植物位于室内，靠近窗户，光线透过叶子，形成戏剧性的对比和阴影效果。叶子细节清晰，看起来有些枯萎或下垂。"
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a bicycle parked and secured to a metal bike rack. The bike is positioned at an angle, with the front wheel prominently displayed in the foreground. The word 'FOREVER' is visible on the frame of the bicycle. The background consists of a paved sidewalk and additional bike racks." **Chinese Alt Text:** "一张黑白照片，展示了一辆自行车停放并固定在金属自行车架上。自行车以一定角度摆放，前轮清晰地显示在前景中。自行车车架上可以看到“FOREVER”字样。背景是铺砌的人行道和更多的自行车架。"
Ilford FP4 E.I. 64 **English Alt Text:** "A black and white photograph of a staircase in what appears to be a subway or underground station. The stairs are equipped with a central handrail and are flanked by walls on either side. The lighting is artificial, casting shadows and highlighting the steps. The stairs lead upwards, suggesting an exit or an upper level." **Chinese Alt Text:** "一张黑白照片，展示了一个看起来像是地铁或地下站的楼梯。楼梯中央设有扶手，两侧有墙壁。灯光是人工的，投下阴影并突出了台阶。楼梯向上延伸，暗示出口或上一层。"

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@arXiv_quantph_bot@mastoxiv.page
2025-08-04 09:58:30

Quantum repeaters based on stationary and flying Gottesman-Kitaev-Preskill qudits
Stefan H\"aussler, Peter van Loock
arxiv.org/abs/2508.00530

Quantum repeaters based on stationary and flying Gottesman-Kitaev-Preskill qudits
There are various approaches to long-range quantum communication based on conceptually different forms of quantum repeaters. Here we explore a quantum repeater scheme that employs quantum error correction (QEC) both on the flying (light) qubits and on the stationary (matter) qubits. The idea is to combine the benefits of encoded one-way and two-way schemes where effective channel transmission and loss scaling are enhanced by means of photon loss codes and encoded quantum memories, respectively,…

@andres4ny@social.ridetrans.it
2025-05-31 18:33:47

The Soviet way with words 😂
(from en.m.wikipedia.org/wiki/Trofim)

In the article, Pravda correspondent Vitaly Fedorovich described his first impression of the meeting with Lysenko: "If you judge a person by first impression, then this Lysenko will leave you with a feeling of toothache - God bless him, he is a sad-looking person. And he is stingy with his words, and insignificant in face - all I remember is his gloomy eye, crawling along the ground with such an air as if, at least, he was going to kill someone."

Trofim Lysenko - Wikipedia

@arXiv_condmatmtrlsci_bot@mastoxiv.page
2025-07-10 09:20:21

Thickness-Dependent Spin Pumping in YIG/W$_{90}$Ti$_{10}$ Bilayers
Marielle Hachem, Zeinab Harajli, Samih Isber, Mohammad Haidar
arxiv.org/abs/2507.06831

Thickness-Dependent Spin Pumping in YIG/W$_{90}$Ti$_{10}$ Bilayers
We investigate the spin pumping efficiency in YIG/YIG/W$_{90}$Ti$_{10}$ bilayers by measuring the thickness dependence of both the YIG and WTi layers using broadband ferromagnetic resonance (FMR) spectroscopy. The deposition of a 5-nm WTi layer leads to enhanced Gilbert damping in thinner YIG films, indicating efficient spin current injection. From the spin pumping contribution to the damping of the YIG/WTi bilayer, we determine an effective spin mixing conductance of $ 3.3 \times 10^{18}~\math…

@leftsidestory@mstdn.social
2025-07-08 00:30:05

Urban Solitude III 🈳
城市孤独 III 🈳
📷 Pentax MX
🎞️Fujifilm Neopan SS, expired 1995
buy me ☕️ ?/请我喝杯☕️？
#filmphotography

Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph depicting a narrow alleyway with a brick-paved path. The alley is flanked by high walls on both sides, creating a sense of depth and leading the eye towards a door at the end. The shadows cast by the walls create a pattern of light and dark on the ground, adding texture to the scene. The door at the end of the alley is slightly ajar, with a ladder leaning against the wall nearby. **Chinese:** 一张黑白照片，描绘了一条狭窄的小巷，铺着砖块的小路。小巷两侧是…
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph showing a view through a slightly open door into a narrow alleyway. The door handle and hinge are visible on the left side of the image. The alleyway is paved with bricks and extends into the distance, with a few steps leading up to another level. The perspective gives a sense of depth and invites curiosity about what lies beyond. **Chinese:** 一张黑白照片，展示了通过一扇微开的门看到的狭窄小巷。门把手和铰链在图片的左侧可见。小巷铺着砖块，向远处延伸，几级台阶通向另一个高度。透视感给人一种深度感，并引发人…
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph of an entrance to a traditional building, featuring a decorative brick wall with a circular pattern near the top. The entrance is framed by brick walls, and the roof above shows some wear. The scene is slightly blurred, adding a sense of nostalgia and timelessness to the image. **Chinese:** 一张黑白照片，展示了一座传统建筑的入口，入口上方的砖墙上有一个圆形图案装饰。入口由砖墙围成，上方的屋顶显得有些破旧。场景略显模糊，为图片增添了一种怀旧和永恒的感觉。
Fujifilm Neopan 100 SS (FF) **English:** A black and white photograph capturing a string of traditional Chinese lanterns hanging from a wire. The lanterns are intricately designed and appear to be made of a translucent material. They are positioned in front of a building with a numbered plaque, and a security camera is visible on the right side of the image. The lanterns add a cultural and festive element to the scene. **Chinese:** 一张黑白照片，拍摄了一串悬挂在电线上的中国传统灯笼。灯笼设计精美，看起来是由半透明材料制成。它们位于一栋带有编号牌匾的建筑…

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