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@arXiv_hepth_bot@mastoxiv.page
2025-10-14 08:14:19

Exact BPS double-kinks in generalized $\phi^4$, $\phi^6$ and sine-Gordon models
R. Casana, E. da Hora, F. C. Simas
arxiv.org/abs/2510.09856

Exact BPS double-kinks in generalized $ϕ^4$, $ϕ^6$ and sine-Gordon models
We consider a $(1+1)$-dimensional theory with a single real scalar field $ϕ$ whose kinematics is modified by a generalizing function $f(ϕ)$. After briefly reviewing its Bogomol'nyi-Prasad-Sommerfield (BPS) structure, we focus on a particular $f(ϕ)$ to obtain analytic BPS double-kink solutions in three different models governed by the $ϕ^4$, $ϕ^6$, and sine-Gordon superpotentials. In all cases, the resulting double-kinks approach the boundaries by following an exponential decay, with the ge…

@nohillside@smnn.ch
2025-11-11 11:29:43

„Aber China!”
China's CO2 Emissions Have Been Flat Or Falling For Past 18 Months, Analysis Finds - Slashdot news.slashdot.org/story/25/11/

China's CO2 Emissions Have Been Flat Or Falling For Past 18 Months, Analysis Finds - Slashdot
China's CO2 emissions have been flat or falling for 18 months, "adding evidence to the hope that the world's biggest polluter has managed to hit its target of peak CO2 emissions well ahead of schedule," reports the Guardian. From the report: Rapid increases in the deployment of solar and wind power...

@arXiv_condmatmeshall_bot@mastoxiv.page
2025-10-15 09:39:52

Conductance Plateaus at Quantum Hall Integer Filling Factors in Germanium Quantum Point Contacts
Karina Hudson, Davide Costa, Davide Degli Esposti, Lucas E. A. Stehouwer, Giordano Scappucci
arxiv.org/abs/2510.12554

Conductance Plateaus at Quantum Hall Integer Filling Factors in Germanium Quantum Point Contacts
Constricting transport through a one-dimensional quantum point contact in the quantum Hall regime enables gate-tunable selection of the edge modes propagating between voltage probe electrodes. Here we investigate the quantum Hall effect in a quantum point contact fabricated on low disorder strained germanium quantum wells. For increasing magnetic field, we observe Zeeman spin-split 1D ballistic hole transport evolving to integer quantum Hall states, with well-defined quantised conductance incre…

@stefan@gardenstate.social
2025-12-12 12:54:50

Gotham fans are feeling good today
#gothamFC

Midge Purce Just Keeps Winning
From Harvard pre-med to NWSL champion and media entrepreneur, Midge Purce’s path has never been linear—and her boldest moves may still be ahead.

@memeorandum@universeodon.com
2025-11-11 21:40:51

China's CO2 emissions have been flat or falling for past 18 months, analysis finds (Amy Hawkins/The Guardian)
theguardian.com/world/2025/nov
memeorandum.com/251111/p84#a25

@Mediagazer@mstdn.social
2025-10-13 09:30:38

An interview with Ben Meiselas, who runs the left-leaning US media company MeidasTouch with his brothers Jordan and Brett, on Trump, right-wing media, and more (Steve Rose/The Guardian)
theguardian.com/tv-and-radio/2

‘We’re fighting for you!’ Podcaster Ben Meiselas on taking on the Maga media – and winning the ratings battle
His channel, MeidasTouch, puts out 15 videos a day exposing Republican failings – and it is getting bigger audiences than Joe Rogan’s. Is this the champion the American left has been waiting for?

@NFL@darktundra.xyz
2025-11-12 21:31:27

Grading NFL QBs on rookie deals: Drake Maye is acing the 2025 season while two others are flunking out

cbssports.com/nfl/news/nfl-qb-

Grading NFL QBs on rookie deals: Drake Maye is acing the 2025 season while two others are flunking out
Eleven quarterbacks are still on rookie contracts, but only a few look like long-term answers through 10 weeks

@hikingdude@mastodon.social
2025-10-05 07:50:30

One reason why we chose #Baiersbronn for our last vacation was the #Landesgartenschau (#Garden show?).
It would have been a gem for flower and garden

A serene garden scene is captured in this image, showcasing a variety of plants and trees. The lush greenery of the garden creates a peaceful and inviting atmosphere. The plants and trees are carefully arranged, with some featuring colorful flowers adding a pop of color to the landscape. This well-maintained garden is a testament to meticulous landscaping and gardening skills.
A serene garden scene featuring a beautiful fountain as the focal point. The fountain is intricately designed with flowing water creating a peaceful ambiance. Surrounding the fountain are lush green plants and trees, adding to the tranquil atmosphere. The image captures the essence of nature and beauty, making it an ideal spot for meditation or simply enjoying the outdoors.
A serene walkway is depicted in this image, lined with a variety of plants and flowers in shades of purple and lavender. The path leads through a beautifully landscaped outdoor area, with a wooden structure visible in the background. The dominant colors in the scene are white and grey, creating a peaceful and harmonious atmosphere. A single plant is prominently featured in the foreground, adding a touch of green to the predominantly purple color scheme. This image captures the beauty of nature …
A serene outdoor patio is featured in this image, showcasing a beautiful stone wall and a stone structure. The overall color scheme includes dominant shades of grey and white, with an accent color of 95A922. A lush tree and various plants can be seen throughout the landscaping, adding a touch of nature to the scene. A bench provides a cozy spot to sit and enjoy the surroundings. The patio exudes tranquility and charm, making it a perfect spot for relaxation and unwinding. The image also include…
@gratianriter@bildung.social
2025-10-09 09:59:05

Ich glaube die Kulturkämpfer gegen die vegane Wurst haben die Rechnung ohne den Wirt gemacht. Das wird ähnlich laufen wie bei „made in germany“. Die haben, ohne es zu wollen den Wettbewerb um die beste Marketingbezeichnung eröffnet. Das hier ist auf jeden Fall ein starker Kandidat:
From: @…

Fellingshaeuser🏳️‍🌈💚🇺🇦💉💉💉💉💉 (@Fellingshaeuser@troet.cafe)
Angehängt: 1 Bild Ob #Söder und #Merz sich diese Dinger, heimlich schon gekauft haben?

@stefan@gardenstate.social
2025-10-03 13:02:28

This is wild.
EDIT:
castle-journal.com/sensational

The Ambassador of South Africa to France, Emmanuel Nkosinathi Mthethwa, who filed the genocide case against Israel at the ICC - has died after falling from the 22nd floor of the hotel where he was staying in Paris South Africa’s ambassador to France found dead in Paris
There has been no official confirmation, evidence, or even a suggestion from the South African or French governments to support any notion of foreign intelligence involvement in Ambassador Mthethwa’s death. The claims remain purely speculative and unverified digital noise that appears to capitalize on existing geopolitical friction.