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Measuring disorder is a mess. A mathematical study finds that different definitions of what it means for entropy to increase, previously considered equivalent, produce different results in the quantum realm. newscientist.com/article/245204…

Our latest paper out on PRL today. Fantastic deep and fundamental work lead by Goold_Group Trinity College Dublin Marie Curie Fellow Sam Jacob on Universal Energy Fluctuations in Inelastic Scattering Processes starring also Gabriel Landi and Felipe Barra check it out: journals.aps.org/prl/abstract/1…

Just published in PRA: an efficient way to simulate quantum jump trajectories, especially when purity is not preserved in the conditional evolution. It has been great to work on this with Felix Binder and Gabriel Landi ! journals.aps.org/pra/abstract/1…

Registration is now open for the Rochester Conference on Quantum Science (CQS-12). sas.rochester.edu/quantum/cqs/in…. This is a once every 6 years conference and an amazing opportunity to get a snapshot of the progress in the field.

CQS-12 is kicking off! Excited for all the amazing science that will take place this week. Rochester Coherence and Quantum Science Conference Machiel Blok University of Rochester

Off to a great start of CQS-12 with a keynote by Donna Strickland about the quantum and coherence properties of lasers and including a tribute to Joe Eberly Rochester Coherence and Quantum Science Conference University of Rochester

Absolutely gorgeous talk by Klaus Mølmer on quantum trajectories at CQS-12. 🤩🤩🤩Rochester Coherence and Quantum Science Conference

Beautiful tutorial talk by Klaus Mølmer reviewing quantum trajectories including illustrations he used in his talk at CQO in Rochester 30 years ago Rochester Coherence and Quantum Science Conference

Elinor Twyeffort telling us of a puzzle introduced to her by Joe Eberly: why is it that the quantum Rabi model with an initial Fock state (very non-classical) leads to classical Rabi results, but with a coherent state (very classical) leads to very quantum revivals? Rochester Coherence and Quantum Science Conference

Lieven Vandersypen at CQS12: electron shuttling is the future for quantum-dot based quantum computing. 🤩Rochester Coherence and Quantum Science Conference University of Rochester

Two-qubit gates and CQS. Chris Monroe recalling the first ever experimental demonstration, 30 years ago in here in Rochester. Rochester Coherence and Quantum Science Conference University of Rochester

Juzar Thingna telling us about PRX quantum, the jewel in the crown (CQS pun intended) of the APS journal family. Rochester Coherence and Quantum Science Conference

Misha Lukin looking ahead on the transition from physical to logical qubits through error correction. Want to see more? Keep an eye out for the recording of the talk by following Rochester Coherence and Quantum Science Conference.

Qubit readout in superconducting circuits is too slow when photon numbers are low. Increase the number of photons and the measurement becomes non-QND. According to Alexandre Blais the solution to this conundrum is in Floquet quasienergies. Rochester Coherence and Quantum Science Conference

Gabriel Landi Rochester Coherence and Quantum Science Conference Cool to see Prof. Lukin (who I took quantum information from nearly 10 years ago!) in Hoyt, where I took many a class (including my very first college course, PHY 141, by Frank Wolfs in 2012) :)

Misha Lukin at cqs-12: We got a preview of these very impressive new results on repeated error correction in neutral atoms, posted on the arxiv today arxiv.org/pdf/2506.20661 Rochester Coherence and Quantum Science Conference University of Rochester #quantum #cqs2025

Last day of CQS-12. After an amazing banquet at the Strong Museum of Play last night, we start the day with Pedram Roushan showing us Google’s latest results on disorder free localization in their new Willow platform. Rochester Coherence and Quantum Science Conference

Final day of cqs-12 kicked off by Pedram Roushan from Google Quantum AI on simulating lattice gauge theories and condensed matter systems with Willow #cqs2025 #quantum Rochester Coherence and Quantum Science Conference University of Rochester

Quantum pistons pumping, entangled gears grinding: great session at Rochester with Nicole Yunger Halpern, Pedram Roushan, and Jiheng Duan! #QuantumOptics #quantum #physics

Today two amazing things happened. Our paper on the Clock Uncertainty Relation with Mark Mitchison was accepted in PRX. And the IT guy here at Rochester was able to fix my Eduroam that hasn’t worked in 6 years. What a day! What a day!