iiinova — where your digital self keeps evolving

Reposted by Jake Xuereb

Eugene Vinitsky 🍒 @eugenevinitsky.bsky.social · 08/10/2026

Once again, if you are a senior researcher spreading doom to junior researchers, shut up shut up shut up. It’s your job to figure out a path forward, even in high uncertainty times. Come back when you have something constructive.

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Reposted by Jake Xuereb

Alex @itsmealeale.bsky.social · 01/10/2026

Can a physically motivated symmetry make many-body magic analytically solvable? If so, at what cost? We answer this question (arxiv.org/abs/2609.38319), by looking at pairwise parity symmetry. This gives rise to a family of quantum states known as X-states. (continue..)/n

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Jake Xuereb @curlyqubit.bsky.social · 25/08/2026

We do so by finding a separability bound which bounds the magnitude of local and interaction energy fluctuations and showing that when this is violated, local heat capacities can be negative. This was a beautiful collaboration with my great friend Ale, with many derivation sessions over Zoom

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Jake Xuereb @curlyqubit.bsky.social · 25/08/2026

Today on the arXiv with @itsmealeale.bsky.social we provide insights into the question of whether the presence of quantum entanglement at equilibrium can influence how an interacting system responds to changes in temperature. scirate.com/arxiv/2608.2...

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Jake Xuereb @curlyqubit.bsky.social · 21/08/2026

Timestamp for the nerds and the sharpshooters - coming to an arXiv near you next Tuesday 🔫

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Jake Xuereb @curlyqubit.bsky.social · 04/06/2026

@quoi-theory.at mods posted the defense pic where I look most dead - whilst I was tired, I was also very happy ❤️

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Jake Xuereb @curlyqubit.bsky.social · 04/06/2026

I think becoming a Dulwich Quantum Meme is a good way to cap off the PhD

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Jake Xuereb @curlyqubit.bsky.social · 08/05/2026

My deepest congratulations to my brother in arms, the freshly minted Dr. @mathsmire.bsky.social 🥳🥳🥳🥳🥳

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Jake Xuereb @curlyqubit.bsky.social · 17/03/2026

Ref : Matteo's PhD Thesis spiral.imperial.ac.uk/entities/pub...

spiral.imperial.ac.uk

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Jake Xuereb @curlyqubit.bsky.social · 17/03/2026

One of the best introduction of thermodynamics I've ever read. Thermodynamics as the old man at house party of theories of physics being introduced by his granddaughter, entanglement theory. Douglas Adams like brilliance from Matteo Lostaglio and a good reminder that a phd thesis can be playful.

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Jake Xuereb @curlyqubit.bsky.social · 04/03/2026

Beautiful @johncarlosbaez.bsky.social thread, feels like old quantum twitter again 😭

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Jake Xuereb @curlyqubit.bsky.social · 04/03/2026

The Qalypso School on Quantum Science in Malta returns for its 3rd edition Aug 31 - Sep 4 this year! 🏖️ We have a great line up of lecturers covering Quantum Optimisation, Quantum Thermodynamics and Quantum Gibbs Sampling. Pre-registrations opens today at forms.gle/3NkMJ3Br9V8b... Do Share!

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Jake Xuereb @curlyqubit.bsky.social · 22/02/2026

Landauer was such a gangster. Maybe I should get this on a t-shirt (ieeexplore.ieee.org/document/521...)

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Reposted by Jake Xuereb

Florian Meier @flowrian.ch · 19/01/2026

From one tick to the next, small timing uncertainties in clocks usually add up because of the independence of errors. Using fermions tunneling through a quantum wire as clock ticks, we found a way to build a clock where errors cancel out rather than accumulate. arxiv.org/abs/2601.10785

Chain of quantum two level systems. Excitations traveling from left to right, each time marking a tick when they leave on the right.

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Reposted by Jake Xuereb

Alex @itsmealeale.bsky.social · 23/01/2026

Can Gottesman–Kitaev–Preskill (GKP) encoding turn homodyne detection into a practical tool for revealing Bell nonlocality? The answer is yes, and in fact GKP states also lead to strong and robust multipartite nonlocality with homodyne detection! Today on arXiv: arxiv.org/abs/2601.16189 1/n.

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Jake Xuereb @curlyqubit.bsky.social · 22/01/2026

(2/2) Couldn't let go of the mountains and spent the past week at Ecole de Physique in Les Houches. Learning about unconventional computational platforms, machine learning theory and physics of computing at an amazing workshop titled "Computing with Physical Systems". Hope 2 be back here someday.

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Jake Xuereb @curlyqubit.bsky.social · 22/01/2026

(1/2) Got on a train a week ago headed from Vienna to Lausanne and spent some days hanging out at EPFL. Was fortunate to be able to share our insights from our recent PRX Q on Cooling a Qubit using N Others at -- recording here 👁 Warm thanks to @qzoeholmes.bsky.social and Jon Conrad for having me

youtu.be

QSE Seminar - Jake Xuereb, Cooling a Qubit using n Others

YouTube video by Center for Quantum Science and Engineering EPFL

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(15/14) Oh and If I've forgotten your favourite paper, do comment and let me know!

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(14/14) Overall, I'd say it was a quieter year than 2024 for quantum thermo. Less new directions than in 2024 but still a great push from the community. Here's hoping 2026 holds many exciting insights using quantum thermodynamics across many fields from biology to computer science. .

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(13/14) Last but not least a shout out to @itsmealeale.bsky.social for the most well written and aesthetically pleasing work of the year, his beautiful review on the Maxwell's Demon paradox from theory to experiment [13] - arxiv.org/abs/2503.07740

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(12/14) Xu, @artemyte.bsky.social , Delvenne, Ito: a really foundational stochastic thermodynamics result giving a geometric spectral bound for Markov rate matrices. [12] - arxiv.org/abs/2507.08938

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(11/14) Honourable mention to two cool results in fields adjacent to quantum thermo : (i) @ulyssechabaud.bsky.social & collaborators: a great paper on how the computational ability of photonic/bosonic systems is reduced under energetic constraints. [11] - arxiv.org/abs/2510.08545

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(10/14) Joey Schindler & collaborators: showing cross entropy is the “mother of all entropies” (in a thermodynamic sense), and unifying observational entropy with Jaynes-style maximum entropy principles. [10] - arxiv.org/abs/2503.15612

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(9/14) Two impressive conceptual works this year were: (i) Manu Schwarzhans & collaborators: a minimal model of an autonomous thermal machine acting as a quantum detector, giving thermodynamic constraints on measurement performance. [9] [9] - arxiv.org/abs/2508.16375

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(8/14) We also got a wonderful experiment from Pekola’s group where quantum coherence was converted to heat dissipation in a cavity qed set up, directly probing quantum signatures in heat transfer. [7] [7] - arxiv.org/abs/2510.23092

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(7/14) Experimentally, we saw two great results in double quantum dot platforms from the Ares and Ennslin groups, showing steady progress in reading out quantum thermodynamic quantities in these systems. [5,6] [5] - arxiv.org/abs/2502.00096 [6] - arxiv.org/abs/2508.09481

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(6/14) Bergamaschi & Chen show that any 1D spin chain with nearest-neighbour int. can thermalise at any temperature, using clustering of correlations methods. This is a step forward, relaxing earlier local-commutativity requirements. [3] - arxiv.org/abs/2505.20064 [4] - arxiv.org/abs/2510.08533

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(5/14) Thermalisation and Gibbs sampling remain extremely active. Two stand-out results among many this year were: Scandi & @alvalhambra.bsky.social derive a master equation that thermalises assuming only a (KMS) detailed balance condition — without relying on the rotating wave approximation. [3]

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(4/14)To my taste, both were properly out-of-the-ballpark theory works. [1] arxiv.org/abs/2506.19188 [2] arxiv.org/abs/2504.12373

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(3/14) (ii) Watanabe & @ryujitakagi.bsky.social continued their exploration of work extraction from unknown quantum states. They bring Schur–Weyl duality tools into qthermo, giving protocols that asymptotically achieve the same rate as if the state were known. [2]

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

(2/14) Two strong theory works that brought genuinely new ideas forward were: (i) Abiuso & collaborators’ effort to prove a Planckian time bound for thermalisation, using ideas from quantum metrology. [1]

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Jake Xuereb @curlyqubit.bsky.social · 14/01/2026

🧵 Here is a thread reviewing what in my view were some of the stand out works in Quantum Thermodynamics that appeared on the arXiv for 2025. (1/14) #quantum #thermodynamics

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Jake Xuereb @curlyqubit.bsky.social · 20/12/2025

Quite happy seeing this work out now in @prxquantum.bsky.social It was great fun working with my collaborators on this one. Especially pleased to have brought some graph theoretic combinatorics to Quantum Thermodynamics 🔥🧊 journals.aps.org/prxquantum/a...

journals.aps.org

Cooling a Qubit Using n Others

By extending the algorithmic cooling problem to qubit machines with arbitrary energy structure, this work reveals fundamental limits on quantum cooling and shows how a reservoir's internal energy land...

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Reposted by Jake Xuereb

Dave Richeson @divbyzero.bsky.social · 11/12/2025

Here are a couple of neat theorems due to John Conway and Cameron Gordon (1983): Any embedding of K_6 in 3D has two linked triangles (red and blue below). Any embedding of K_7 in 3D has a knotted Hamiltonian circuit (red below). Article: people.reed.edu/~ormsbyk/138...

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Jake Xuereb @curlyqubit.bsky.social · 13/11/2025

If you wanna know more about where I'm from, where it's at and why it's there -- this article is a good analysis of the economics and corruption that led to the current state of affairs in Malta.

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Reposted by Jake Xuereb

Jonathan Oppenheim @postquantum.bsky.social · 11/11/2025

A recent @nature.com article claims that classical (unquantised) gravity produces entanglement. We show that their model does not produce entanglement. Even if the model produced entanglement, it would be mediated by the quantised matter interaction, and not gravity. scirate.com/arxiv/2511.0... 🧪⚛️

scirate.com

Classical gravity cannot mediate entanglement

In Nature, 646, 813 (2025), Aziz and Howl claim that classical (unquantised) gravity produces entanglement. We show that their model does not produce entanglement. Even if the model produced entanglem...

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Jake Xuereb @curlyqubit.bsky.social · 07/11/2025

I think it's really cool that you've been using this detailed author contribution system - hope you keep doing it despite the headache and that it inspires other PIs!

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Jake Xuereb @curlyqubit.bsky.social · 05/11/2025

arxiv.org/abs/2511.02683 Gravity mediated entanglement arXiv posting of the day. This time from across the road, IQOQI Vienna's Andrea di Biagio reminds us about important assumptions different models make and why it's hard to make a model independent no-go theorem.

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Jake Xuereb @curlyqubit.bsky.social · 04/11/2025

arxiv.org/abs/2511.00852 The saga continues, my favourite of the reactions to the Aziz, Howl paper so far. A sharp and straightforward passage from Diosi makes clearer why the semi-classical treatment does not agree with the calculation of Aziz and Howl.

arxiv.org

No, classical gravity does not entangle quantized matter fields

In their recent work [Nature,646,813(2025)], Aziz and Howl claim that classical (unquantized) gravity produces entanglement of quantized matter if matter is treated within quantum field theory which i...

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Jake Xuereb @curlyqubit.bsky.social · 24/10/2025

"no amount of QFT machinery will ever change that fact" Who needs reality TV when you've got quant-ph arguments about the quantum nature of gravity I'm biased towards the guys with the peer reviewed careful math, not the overnight 2 eq arxiv posting tbh arxiv.org/abs/2510.19969

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Jake Xuereb @curlyqubit.bsky.social · 17/10/2025

V3 of this manuscript is on the arXiv today : arxiv.org/abs/2505.15887 You'll find : -a friendlier presentation for people from outside the quantum thermosphere -a probabilistic bipartite heat exchange that approaches the capabilities of the n-partite interaction of V1 -cleaner inequalities!

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Jake Xuereb @curlyqubit.bsky.social · 13/10/2025

Is one way to think about Axiom 2, the idea that the classical world continuously monitors the quantum world, which back-reacts onto it?

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Jake Xuereb @curlyqubit.bsky.social · 09/10/2025

I am learning so much about learning

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Jake Xuereb @curlyqubit.bsky.social · 09/10/2025

105 new submission in 1 day. "2 arxiv submissions a year, those are rookie numbers in this racket" Still waiting for an argument for how this rate of production benefits us or science at large.

media.tenor.com

a man in a suit and tie says you gotta pump those up those are rookie numbers in this racket .

ALT: a man in a suit and tie says you gotta pump those up those are rookie numbers in this racket .

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Jake Xuereb @curlyqubit.bsky.social · 08/10/2025

Quite cool to see this error correction angle! Nice workl

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Jake Xuereb @curlyqubit.bsky.social · 01/10/2025

Amazing to see the work of @itsmealeale.bsky.social and Partyk L Bartosik highlighted like this. Having followed it as it was written and knowing the hard work that was poured into it, really brings a smile to one's face to see it highlighted. Yes to detecting entanglement using thermodynamics!

quantamagazine.org

A Thermometer for Measuring Quantumness | Quanta Magazine

“Anomalous” heat flow, which at first appears to violate the second law of thermodynamics, gives physicists a way to detect quantum entanglement without destroying it.

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Jake Xuereb @curlyqubit.bsky.social · 01/10/2025

How long do we have to keep pretending that studying random unitaries teaches us about black holes?

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Jake Xuereb @curlyqubit.bsky.social · 24/09/2025

Good first Q (what part of community do you identify with) I wanna know what the community expects of different author positions and also from people in different roles PIs, post docs, etc + what do people want ideally Ofc these are fluid and vary project to project but maybe there are trends!

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Jake Xuereb @curlyqubit.bsky.social · 24/09/2025

Considering creating an anonymous google form survey for researcher in QInfo with questions on what roles collaborators have in projects. E.g. What roles does a last author have in a project vs What roles does a first author have Would you fill it out? What questions would be interested in?

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Jake Xuereb @curlyqubit.bsky.social · 21/09/2025

In this sense we agree because the probability of which outcome is "actualised" is due to the Born rule. And how to get that out of your theory is i think the hard part. Shout out to the great Tony Short who gave this a go quantum-journal.org/papers/q-202...

quantum-journal.org

Probability in many-worlds theories

Anthony J. Short, Quantum 7, 971 (2023). We consider how to define a natural probability distribution over worlds within a simple class of deterministic many-worlds theories. This can help us understa...

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