Alexis Morvan

Quantum Researcher at Google

[Alexis Morvan @AlexisMorvan1]

Today, our work on the observation of Bound State of photon is published in @Nature. Look at this thread for some TLDR

[Google Quantum AI @GoogleQuantumAI]

Photons traveling in vacuum do not interact. However, on a superconducting processor, microwave photons can be made to interact and form bound states. In @nature, we report on the surprising stability of these photon bundles.

https://t.co/G5Dudl6pxc

[Alexis Morvan @AlexisMorvan1]

Find longer thread on https://t.co/wUeDptWzw2

[Alexis Morvan @AlexisMorvan1]

We just put on arXiv a long haul work on "bending" the time-dynamic of the surface code. We demonstrate error suppression from distance 3 to 5 for three different implementations on Willow. The three offer uniques venues for new hardware.
https://t.co/6kneXIk7F8

[Google Quantum AI @GoogleQuantumAI]

Two new papers from our team detailing how we optimize our gates and measurements. Our work on beyond-classical computation, Majorana edge modes, non-Abelian braiding and quantum error correction was enabled by these optimizations.

https://t.co/aXrMmkhKyP
https://t.co/vJx6QrBEAU

[Alexis Morvan @AlexisMorvan1]

This is good stuff!

[Matt Reed @thisismattreed]

Types of quantum computing papers @xkcd

[Alexis Morvan @AlexisMorvan1]

@TheRealLenneth There is a flat band. Can’t argue with that

[Alexis Morvan @AlexisMorvan1]

As an experimentalist, seeing our work studied by other is extremely rewarding! I am really happy to see that our work sparked interest in the community!

[Quantum Many-Body Physics @ Leeds @theoryleeds]

We have performed large-scale classical simulations of @GoogleQuantumAI experiment on few-particle bound states in non-integrable XXZ circuits, finding more anomalous features in the dynamics: https://t.co/tIxyysRRIa Thanks to @LeverhulmeTrust for support

[Craig Gidney @CraigGidney]

Remember that paper from the end of last year that claimed it could factor 2048 bit integers using 378 qubits? At the time, I mentioned to Tanuj Khattar that a nice starter paper would be to just simulate it and verify it doesn't work. Here's the result: https://t.co/894rHMLDWX

[Alexis Morvan @AlexisMorvan1]

@letonyo @cdf1530 I read to quickly my bad! I didn’t caught the pessimism of the initial quote.
Personally, I would say that quantum simulator have already delivered amazing experiments.

[Alexis Morvan @AlexisMorvan1]

@letonyo @cdf1530 What do you think will be the most important one?
Imho, it pretty hard to predict “the most important one” and I would say the answer probably differ for different sensibilities.
Many-Body physics is really a natural applications for quantum devices

[Alexis Morvan @AlexisMorvan1]

Very exciting to see @NoahGossQuantum highlighted for his work on qutrit CZ. This work is particularly close to my heart as it’s the culmination of my time at @BerkeleyLab . I really hope that we will see more qutrit results in the future!

[Berkeley Lab Computing Sciences Area @LBNLcs]

The experimental success👏of generating two-qutrit entangling gates with high fidelity was published in @NatureComms in 2022. R&D funded by @doescience led by AQT @BerkeleyLab w/ QNL @BerkeleyPhysics. Continue reading: https://t.co/7VG21MIFMp

#QuantumComputing
#AQTatBerkeleyLab

[Alexis Morvan @AlexisMorvan1]

@jmchow Could you run a Random Circuit Sampling experiment? I genuinely would be extremely interested in a result like this.

[Alexis Morvan @AlexisMorvan1]

The theorist at ⁦@GoogleQuantumAI⁩ have put together a manuscript detailing when quantum circuit are “classically hard”. They also show that the IBM 127 qubits experiment result is indistinguishable from a 28qubits classical simulation https://t.co/cDcebTCgkD

[Alexis Morvan @AlexisMorvan1]

We prefer XEB at @GoogleQuantumAI :p
Joke aside, I think for elements fidelity everyone has converged to some randomized benchmarking (and variant) and the comparison between plateforme is possible.

[Paul Smith-Goodson @Moor_Quantum]

Folks, isn't it about time we had a Quantum standard?

@IBM & @QuantinuumQC use #QuantumVolume & IonQ_Inc uses #AlgorithmicQubits. Now @Azure Quantum has a metric called #rQOPS that counts operations that remain reliable for the duration of a practical quantum algorithm

[Arnold Mathijssen @AJTM_M]

Culinary Fluid Mechanics - now published in #ReviewsOfModernPhysics! Congratulations and thanks to Maciej Lisicki, Vivek Prakash @Viveknprakash, Endre Mossige @eJoeFlow and @APSphysics. #FoodScience #FluidMechanics #SoftMatter. Cheers! https://t.co/k2twblT0NG

[Alexis Morvan @AlexisMorvan1]

@postquantum @BosonBulmer We spent a lot of time trying to push both classical and quantum execution of the RCS! Tensor network methods have proven to be quite good for these problem

[Alexis Morvan @AlexisMorvan1]

@AndreiVraji Love the thorough thermalization! Wishing you best luck for the transport!

[Alexis Morvan @AlexisMorvan1]

Analogue simulation with transmons has a nice future! It's really exciting to see SC becomes such a nice platform for quantum simulation. Very nice work from @MIT EQuS group

[William Oliver @oliver_mit]

Check out the latest arXiv submission from MIT EQuS and Lincoln Lab on “Probing entanglement across the energy spectrum of a hard-core Bose-Hubbard lattice” using a 4x4 array of superconducting transmon qubits: https://t.co/gEruBAbUsZ.

[Ofer Naaman @ofer_naaman]

Broadbanding of parametric amplifiers is an impedance matching problem. Check out @GoogleQuantumAI Intern Ryan Kaufman (@TeamHatLab) work on JPA with 500 MHz bandwidth using filter synthesis techniques https://t.co/7u9FjHP4h7

[Alexis Morvan @AlexisMorvan1]

AQT has been an awesome place during my post doc. I am grateful really grateful to it!

[Berkeley Lab Computing Sciences Area @LBNLcs]

The Advanced Quantum Testbed @BerkeleyLab is wrapping up the first 5 years🥳& looking ahead! Funded by @doescience, AQT is marking the occasion today w/ collaborators & colleagues in national labs, academia, & industry. https://t.co/VoqY15O5FU

#AQTatBerkeleyLab
#QuantumComputing

[Alexis Morvan @AlexisMorvan1]

Our work on the braiding of non-Abelian anyon (the first experimental realization!) is finally out in Nature.
It's quite amazing to see experiments observing these non-Abelian anyons that have escape experimental probe for so long.

[Google Quantum AI @GoogleQuantumAI]

Today in @Nature, @GoogleQuantumAI and collaborators have braided non-Abelian anyons for the first time. Unlike all particles observed so far, the state of two non-Abelian anyons changes when they are swapped, opening an exciting path in quantum computing

https://t.co/TF4piHRhQG