#qft — Public Fediverse posts
Live and recent posts from across the Fediverse tagged #qft, aggregated by home.social.
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"Researchers at Aalto University published a new quantum theory of gravity in 2025 that describes gravity in a way compatible with the Standard Model, using four one-dimensional unitary gauge symmetries. They're presenting it openly for the community to stress-test. Could be real, could be another dead end but it's getting serious attention."
https://www.sciencedaily.com/releases/2025/05/250505121800.htm
#Physics #QuantumGravity #QFT #QuantumFieldTheory #StandardModel #TheoreticalPhysics #Science
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This is What Spin Actually Means in Quantum Physics
(I have a new physicist crush.)
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#ParityQC just came out with the largest #QFT on an #IBM Quantum device. The QFT was basically an example of how their ParityQC architecture is able to push the limits on what we can do with our #NISQ devices today.
→ press release: https://parityqc.com/parityqc-set-new-record-benchmark-using-ibm-quantum-computer-with-the-largest-quantum-fourier-transform-ever-reported
→ pre-print: https://arxiv.org/abs/2604.12465 -
Happy #WorldQuantumDay! 🌌
On April 20, Quantum Observables for Collider Physics 2026 opens at CERN, bringing entanglement, magic, and collider observables closer to the center of high-energy physics. Proud to contribute to this direction through the Theorem 4.3.1 framework. Time to move beyond correlations and start mapping quantum geometry. 🚀
🔗 doi.org https://doi.org/10.5281/zenodo.18207031
https://doi.org/10.5281/zenodo.18353640
https://doi.org/10.5281/zenodo.18764143
#QuantumAlgorithms #QuantumGravity #Physics #Entanglement #CERN #QFT -
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TMST code: entanglement threshold T₀ simulations.
GitHub → https://github.com/JavierMartinAlonso1980/entanglement-dominance-tmst
DOI → https://doi.org/10.5281/zenodo.18353640 -
@sflorg Thanks for the bookmark and interest in follow-up! My TMST already solves Lattice QFT with precise T0 thresholds in Python/NumPy. More on GitHub soon. 😊 #QFT #OpenScience #QuantumSimulation #LatticeQCD #AIforScience
🔗 https://github.com/JavierMartinAlonso1980/entanglement-dominance-tmst
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Researchers successfully utilized Artificial Intelligence to solve a long-standing problem in particle physics: calculating Quantum Field Theories ( #QFT ) on a lattice with optimal precision.
#Physics #QuantumScience #AI #ArtificialIntelligence #sflorg
https://www.sflorg.com/2026/01/phy01262601.html -
@AAKL @kdkorte @avuko @Reuters
The "evil man" is my own philosophical argument.
If an evil man, fakes being good for years.
Doing everything a good man does, are they still evil?I am unconvinced that probabilistic design is the show stopper that most lay folk think dismisses current models.
What with some big brain thinkers offering the notion the fundamental layer of our reality being deterministic quantum fields (QFT) and deterministic collapse of quantum wave function defines events.
TLDR;
👉Stochiastic universe may be factual👈
materialist deterministic illusion (which is what some AI sceptics embrace) is the fantasy LLMs expose by "working" -
It's great to be at the ExHILP 2025 conference at ELI-Beamlines near Prag.
You can't say that the community doesn't have a healthy sense of self-confidence.
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Black branes are higher dimension #BlackHoles that have hydrodynamic properties. The Holographic Principle means these branes ≈ lower dimension #QFT fluids. The absorption cross-section of low energy #Gravitons by the brane is then proportional to ideal fluid viscosity. #Science #Physics #Gravity 🧪⚛️
RE: https://bsky.app/profile/did:plc:xd6msyxiymq4ldfllpeusl6h/post/3lqpocgsa2c2v -
#AdS/CFT correspondence can turn a strong coupled #QFT into a weak coupled #StringTheory. This predicted the viscosity of a coupled fluid given by η/s ≥ ħ/4πk ≈ 0.08 close to quark-gluon plasma #QGP (≈0.1-0.2) #Physics #Science 🧪 ⚛️ 🧮 DOI: doi.org/10.1103/Phys... arXiv: arxiv.org/abs/hep-th/0...
Viscosity in Strongly Interact... -
If you believe that empowering students to ask their own questions is one of the most powerful ways to cultivate critical thinking, curiosity, and problem solving...
Then...
Consider the upcoming conference: Teaching Students to Ask Their Own Questions: Best Practices in the Question Formulation Technique (QFT).
A great opportunity for educators, coaches, and leaders committed to deeper learning.
https://www.gse.harvard.edu/professional-education/program/teaching-students-ask-their-own-questions-best-practices-question
#education #CriticalThinking #StudentVoice #QFT -
#QuantumInformation #Panpsychism Explained and few can do so like #FedericoFaggin #AIhistory #QFT #consciousness #drones #funride
“Mathematics evolves out of consciousness. Therefore, mathematics cannot explain consciousness“
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Any physicists around who can help me understand something?
How should I picture neutrinos in a QFT context? If particles are ripples in their field, and we can detect only a teeny-tiny fraction of neutrinos, what does that say about their field? Is it somehow quiet, and only ripples when we make a chance detection of a neutrino? Is it constantly rippling, but so noisily we can hardly ever detect a signal in it?
Or have I got this all wrong?
(Boosts OK, of course.)
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Two years ago, I began writing my #doctoralThesis in theoretical #physics. Most effort went into giving a very detailed pedagogical account of what the #renormalization #HopfAlgebra in #QuantumFieldTheory does, and why it is natural and transparent from a physical perspective.
One year ago, my referees recommended in their reports to publish the thesis as a book, and today I received the printed copies!
It was exciting to go through all the steps of actually publishing a book, and I hope that it will be of use to convince physicists that the Hopf algebra structure in #QFT is not a weird mathematical conundrum, but it actually encodes the very way physicists have been thinking of renormalization since the 1950s: Parametrize a theory by quantities one can actually measure, instead of fictional expansion parameters.
https://link.springer.com/book/10.1007/978-3-031-54446-0 -
I recently discovered an excellent #math article by Krajewski and Martinetti that I had overlooked so far: https://arxiv.org/abs/0806.4309
Basically, renormalization of #Feynmangraph s in #qft is organized in terms of rooted trees, and so are solutions to differential equations, concatenation of differential operators, numerical integration schemes, and the Hopf algebra of power series. It is intuitively clear that all these things must be closely related, but I wasn't aware that there is this article where the relations are actually spelled out in detail. They also include a derivation of Wigner's semicircle law for Gaussian random matrices in the rooted-tree formalism, which is something I didn't think about at all. Learned another unexpected connection 😀 . -
Arsenal 3-1 Liverpool: A deserved loss for awful Reds - #LiverpoolFC - This Is Anfield
#QFT #YNWA #LFC #ARSLIV
https://www.thisisanfield.com/2024/02/arsenal-3-1-liverpool-a-deserved-loss-for-awful-reds/ -
In quantum information we don’t embezzle money, but entanglement.
In our new work, we show that one can embezzle entanglement out of “nothing”: namely the vacuum.
This turns out to be closely connected to Connes’ classification of type III von Neumann algebras.If you want to learn more about this, we have a short paper (https://arxiv.org/abs/2401.07292) and a long technical paper (https://arxiv.org/abs/2401.07299) for you.
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#Turnip’s Liberal Appeasers - The American Prospect @ryanlcooper
The amount of loser, kick-me energy on display here is nigh indescribable.
#qft #symps
https://prospect.org/politics/2024-01-05-trumps-liberal-appeasers/ -
Yesterday, I gave a seminar on Entangled Relativity at the laboratory 'Theory and Universe' at the Paris Observatory: https://youtu.be/viTu7SNkvfU
Please share widely, all too often I meet people who have never heard about this. And I think it's really too bad: not every day do we have a new theory that reduces the number of elementary constants! Moreover, in this theory, concepts like the #Planck length and time become obsolete, potentially bridging the gap between #QFT and #gravity !!
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"Dimensionale Physik"
"Theorie zur Vereinigung der Allgemeinen Relativitätstheorie mit den Quantenfeldtheorien"
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I have neglected this channel, sorry lol. If you follow me you will probably find this interesting: https://arxiv.org/abs/2307.00442
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How does #Hawking #Radiation REALLY work?
"Nothing can escape #BlackHoles, yet somehow they can lose #Mass by emitting #HawkingRadiation?!" - #TheScienceAsylum
https://www.youtube.com/watch?v=rrUvLlrvgxQ&ab_channel=TheScienceAsylum
#ScienceAsylum #NickLucid #Physics #Astrophysics #Conservation #Information #ConservationOfInformation #Energy #ConservationOfEnergy #QM #QuantumMechanics #QuantumPhysics #QFT #QuantumFieldTheory #FieldTheory #QuantumField #QuantumFields #Spacetime #VirtualParticles #Evaporation
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How does #Hawking #Radiation REALLY work?
"Nothing can escape #BlackHoles, yet somehow they can lose #Mass by emitting #HawkingRadiation?!" - #TheScienceAsylum
https://www.youtube.com/watch?v=rrUvLlrvgxQ&ab_channel=TheScienceAsylum
#ScienceAsylum #NickLucid #Physics #Astrophysics #Conservation #Information #ConservationOfInformation #Energy #ConservationOfEnergy #QM #QuantumMechanics #QuantumPhysics #QFT #QuantumFieldTheory #FieldTheory #QuantumField #QuantumFields #Spacetime #VirtualParticles #Evaporation
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How does #Hawking #Radiation REALLY work?
"Nothing can escape #BlackHoles, yet somehow they can lose #Mass by emitting #HawkingRadiation?!" - #TheScienceAsylum
https://www.youtube.com/watch?v=rrUvLlrvgxQ&ab_channel=TheScienceAsylum
#ScienceAsylum #NickLucid #Physics #Astrophysics #Conservation #Information #ConservationOfInformation #Energy #ConservationOfEnergy #QM #QuantumMechanics #QuantumPhysics #QFT #QuantumFieldTheory #FieldTheory #QuantumField #QuantumFields #Spacetime #VirtualParticles #Evaporation
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How does #Hawking #Radiation REALLY work?
"Nothing can escape #BlackHoles, yet somehow they can lose #Mass by emitting #HawkingRadiation?!" - #TheScienceAsylum
https://www.youtube.com/watch?v=rrUvLlrvgxQ&ab_channel=TheScienceAsylum
#ScienceAsylum #NickLucid #Physics #Astrophysics #Conservation #Information #ConservationOfInformation #Energy #ConservationOfEnergy #QM #QuantumMechanics #QuantumPhysics #QFT #QuantumFieldTheory #FieldTheory #QuantumField #QuantumFields #Spacetime #VirtualParticles #Evaporation
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How does #Hawking #Radiation REALLY work?
"Nothing can escape #BlackHoles, yet somehow they can lose #Mass by emitting #HawkingRadiation?!" - #TheScienceAsylum
https://www.youtube.com/watch?v=rrUvLlrvgxQ&ab_channel=TheScienceAsylum
#ScienceAsylum #NickLucid #Physics #Astrophysics #Conservation #Information #ConservationOfInformation #Energy #ConservationOfEnergy #QM #QuantumMechanics #QuantumPhysics #QFT #QuantumFieldTheory #FieldTheory #QuantumField #QuantumFields #Spacetime #VirtualParticles #Evaporation
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I have been discussing with German Sierra who has worked on rainbow states theoretically. It's interesting that a quench changes local correlations into a global correlation pattern with extensive mutual information.
https://arxiv.org/abs/2103.08929It would be interesting to understand whether the experimental non-equilibrium #QFT dynamics gives rise to also other states that the inhomogeneous models that originally yielded rainbow correlation patterns, for example at finite temperatures the phase diagram of subblock entropy includes a crossover in the scaling type.
For now the experiment yielded only 1 type of a rainbow state.
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Following on the Monday post, we invite everyone to explore the concluding lecture on renormalization techniques in #QFT at https://enabla.com/pub/1110/about 🎥
Don't be shy: ask
Prof. Partha Mukhopadhyay online or join existing in-time threads like https://enabla.com/en/pub/1066/thread/186 for more insights🔥Abstract: Following up on the discussion in the previous two chapters, various interesting aspects of QFT in general emerge which we explain and explicitly demonstrate using the current example. These are renormalised couplings and renormalised 1PI vertices, running of them with the scale and renormalisation prescription. The latter basically allows one to relate the mathematical objects we calculate and the observable quantities we measure. Finally, we consider various scenarios of asymptotic behaviour of the coupling as a function of the scale and touch upon the ideas of quantum triviality, UV and IR fixed points and asymptotic freedom. We end our discussion by deriving the “Renormalisation Group Equation” for 1PI vertices and an expression for their anomalous mass dimension.
All Enabla lectures are #free & #OpenAccess. Please support us by sharing this post, following our account & asking questions on Enabla. Thank you!🙏
#QuantumFieldTheory #renormalization #Quantum #Physics #PhD #Lecture
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David Tong's Physics lecture notes are a fantastic resource. They are extremely up to date, well written, freely available, and cover a large range of modern physics from 1st year undergraduate to graduate courses.
I'm posting this as I was shocked to find that my current 4th Year Physics project student's at Imperial hadn't heard about them!