But can a clock—which distinguishes past from future—be truly reversible? Of course not! The resolution is that monitoring equilibrium fluctuations requires a detector that is out of equilibrium, producing entropy. Our friends @naresgroup.bsky.social showed this in a proof-of-principle experiment.

Simon Sundelin kicks off our ASPECTS day at the FLQT conference. Learn more here: www.aspects-quantum.com/flqt2025

🕰️ What’s the real cost of reading time? ASPECTS experiment reveals that the measurement of quantum ticks—not their generation—is the dominant source of entropy in quantum timekeeping. Far from wasteful, this quantum-to-classical transition boosts precision. #FLQT2025

Don’t miss our take on AI and Quantum! t.co/4Xcg1PNqdS @reuters.com

The meat? Not too bad. The company? Amazing at our group summer BBQ!

By the way, in order to do 2nd quantized perturbation theory we needed to figure out how to simplify operator expressions, which is quite useful by itself. Check out our docs here: pymablock.readthedocs.io/en/latest/se... if you need to do symbolic 2nd quantized computations.

Anton Akhmerov@antonakhmerov.org · last yr.

Me, a year ago: "Perturbation theory is always the same, second quantization is just filling in the gaps." 6000 lines of code and docs later: Pymablock v2.2.0 released🎉 pymablock.readthedocs.io/en/v2.2.0/ We have bosons, spins, fermions, and Floquet, and I'm quite happy about it.

What started as informal discussions on the Danube beach in Vienna during QTD2023 has been published at last. Trying to come up with an experimentally feasible quantum clock we came across a rich model – the ring clock – that overturned a common wisdom in the community. doi.org/10.1038/s415...

Calling all researchers! Now is your chance to strengthen European Artificial Intelligence research, deployment and infrastructure. You have until 4/6/25 to give your input to 2 European Commission consultations on strategies for: 🔸AI in Science 👉 bit.ly/4dey99q 🔸Apply AI 👉 bit.ly/44HleLe

🔥Abstract submission and registration are open for the Fundamental Limits of Quantum Technologies conference 🔥 The Alex Hotel, Dublin - 25 to 29 August 2025 www.aspects-quantum.com/abstract-sub... @aspects-quantum.bsky.social

Today I start a new job at King’s College London! I’m now a Proleptic Senior Lecturer and Royal Society University Research Fellow in the Dept. of Physics @kingsnmes.bsky.social I’m delighted to return home after >8 years working abroad, and very excited to start this new chapter in my career!

Dr. @mariokrenn.bsky.social from #MPL explores #AI driven discovery frameworks that design novel experiments – challenging the limits of human intuition. In @quantamagazine.bsky.social, he shares insights into his #research and the future of #science. Read more 👉 mpl.mpg.de/news/article...

AI as a game changer: Dr. Mario Krenn in an interview with ›Quanta Magazine‹

The use of artificial intelligence in the discovery of novel physical experiments – that is the central goal of the research of Dr. Mario Krenn, research group leader ›Artificial Scientist Lab‹ at the...

mpl.mpg.de

Thanks to the @novo-nordisk.bsky.social Foundation Science Cluster for the invitation to the #AI4Quantum workshop & to @nigrelex.bsky.social for her outstanding illustrations, capturing the essence of the talks through #live-drawing 🤩

Magnolia in Old Quad, New College, Oxford. #flowerscape #blossom #blossomwatch #magnolia #NewCollege #Oxford #OxfordUniversity @newcollegeoxf.bsky.social @photohour.bsky.social

🔥 Excited to announce 'Fundamental Limits of Quantum Technologies', a conference at The Alex Hotel, Dublin, 25–29 August 2025! 🌐 Abstracts & early-bird registration now open: www.aspects-quantum.com/flqt2025

🔥 Three talks from our group at #APSGlobalSummit25: Tuesday 18, Session MAR-J36 4:48 pm – 5:00 pm 🤩 Pranav Vaidhyanathan Wednesday 19, Session MAR-M36 12:54 pm – 1:06 pm 😍 Lucas Schorling Friday 21, Session MAR-X20 1:42 pm – 1:54 pm 🌟 Jonathan Dexter

❤️ Thank you for such a fantastic prize and an amazing dinner @leverhulme.bsky.social

Maybe cliché but given the historical moment — thanks to all who stand up for science, women, and women in science 🥂 I promise to pay it forward. 📸: Oxford Philip Leverhulme Prize awardees at last week’s @leverhulme.bsky.social gala

Please share: On March 7, scientists and citizens across the US will #standup4freescience . https://standupforscience2025.org/ 👉 Does anyone know whether any events are planned in Europe / Germany ? #DefendResearch #StandUpForScience #StandUpForScience2025

STAND UP FOR SCIENCE

March 7, 2025. Washington DC and Nationwide. Because Science is for everyone.

standupforscience2025.org

❤️ Really enjoyed having Florian visit us ❤️ Plenty to think about. 🤩 We are already looking forward to the next one! @FMarquardtGroup.fediscience.org.ap.brid.gy

Latest preprint from the ASPECTS consortium! arxiv.org/abs/2502.00096 Experiments by the amazing @naresgroup.bsky.social and theory by @mathsmire.bsky.social of @quitphysics.info We measured the entropy cost of generating and recording ticks in a microscopic clock 1/6 🧵👇

The international quantum thermodynamics conference will be held in Singapore, 7 - 11 July, this year! QTD 2025. 🌡️ Abstract submissions and conference registrations are open! Submit your abstracts by 17 February. Register, submit your abstracts and find more information at bit.ly/4gnQq49

🔥 🕰️ Read our new paper on the thermodynamics of clocks 🔥🕰️https://arxiv.org/abs/2502.00096 @mitchison.bsky.social @entangledanarchist.bsky.social

Entropic costs of the quantum-to-classical transition in a microscopic clock

We experimentally realize a quantum clock by using a charge sensor to count charges tunneling through a double quantum dot (DQD). Individual tunneling events are used as the clock's ticks. We quantify...

arxiv.org

Automated Scientific Discovery aims to make computers capable of aiding scientific progress even in those aspects that go beyond mere number crunching and conceptually simple data analysis, extending into domains that require more creativity and heuristics […] [Original post on fediscience.org]

I added some memory to this quantum feed. Let's see if this works. The quantum community out here seems to get more lively with time. Still slower than X somehow. Convince your friends to join here. bsky.app/profile/did:...

Now that our recent work on the emergence of a 2nd law of thermodynamics in isolated quantum systems has been published, I thought it may be a good opportunity to share some animations outlining the intuition for the principle behind it. doi.org/10.1103/PRXQ... See thread below 👇

🤩 Hello #quantum