Mattia Walschaers @MWalschaers
@cnrs researcher at @lkb_lab. Theoretical physicist, working on quantum optics, and continuous-variable systems. He/him Mastodon: @[email protected] mattia.walschaers.eu Paris, France Joined July 2011-
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The French research landscape: "why can't we attract more international people" Also the French research landscape: "to reimburse international visitors we require them to provide this document that only exists in France" 🙄
Why this paper is for me the end of a long journey and the beginning of a new one (1/n) #physics #cosmology #quantum arxiv.org/abs/2404.15416
This paper has been long in the making, but it's good to finally see it out in the wild. Our student @ilkarusei explores to potential use of parameter-dependent coherence in imaging problems. Spoiler alert: it can have a huge impact! journals.aps.org/pra/abstract/1…
Hear hear !
Dan Simon, of Simon's algorithm fame, comments on Yilei Chen's new algorithm
And now just published in Optics Letters #reservoircomputing #OPG_OL @OpticaPubsGroup opg.optica.org/ol/abstract.cf…
And now just published in Optics Letters #reservoircomputing #OPG_OL @OpticaPubsGroup opg.optica.org/ol/abstract.cf…
Are you a young researcher in quantum science? Consider submitting your work to the 7th international conference for Young Quantum Information Scientists (YQIS) in Paris on Nov 6-8, 2024. Come a bit earlier for a series of tutorials and other events yqis24.sciencesconf.org
New experimental results out today with collaborators from @QTL_Chalmers! We measure the long sought-after cubic phase state that is obtained by applying the cubic Hamiltonian x³ to an initial squeezed state, by engineering the cubic gate explicitly! scirate.com/arxiv/2308.153… (1/7)
We are presenting our approaches to photonic quantum computing at the plan quantique synergy day @C2N_com, where we will establish collaborations with other PEPR projects 💪 #France2030
En cette journée internationale des droits des femmes, nous célébrons la diversité et l'égalité ! Notre état des lieux : 25% de femmes dans le consortium d'OQuLus, et une coordination majoritairement féminine.
Nous sommes extrêmement fiers qu'OQuLus illustre comme lauréat du PEPR quantique, l'ambition et l'importance de la recherche fondamentale au sein de la stratégie nationale aujourd'hui #France2030 Le pitch de Pascale Senellart à 47min dans la vidéo. linkedin.com/events/live-jo…
Actually, it's only a quantum computer if it comes from the quantum region of France. Otherwise it is just a sparkling computer
At least seven fully funded PhD positions are available at the University of Edinburgh in Quantum Computing! More information: edin.ac/3IgrnS4 Deadline: 31 March 2024
Shout out to @QuantumHanna for travelling ecologically! 💪
Shout out to @QuantumHanna for travelling ecologically! 💪
We just woke up after a nice party last night because our one and only Clémentine just earned her doctor title! Congratulations, Dr. Rouvière! 🥳🍾
PRX would like to extend a warm welcome to the newest member of the editorial board, Benjamin Huard of Ecole Normale Supérieure, France: bit.ly/49cXf5R
Pascale @senellartqd of our consortium appeared in yesterday episode of @ScienceCQFD to talk about the second quantum revolution.
Pascale @senellartqd of our consortium appeared in yesterday episode of @ScienceCQFD to talk about the second quantum revolution.
Cool result involving a current and former postdoc of our group! 💪
Cool result involving a current and former postdoc of our group! 💪
Conny Aerts was the person who taught me astronomy. I also got to know her as a very constructive voice in policy making at the physics department and science faculty in Leuven. It's such a pleasure to see her research get this level of recognition. Congratulations, Conny! 🥳
Conny Aerts was the person who taught me astronomy. I also got to know her as a very constructive voice in policy making at the physics department and science faculty in Leuven. It's such a pleasure to see her research get this level of recognition. Congratulations, Conny! 🥳
Last but not least, we also put a new paper on the @arxiv in which we demonstrate reservoir computing with light! It turns out light is also good at just being a random mess that mixes information sufficiently well to be used in this framework 😎 arxiv.org/abs/2401.14073
Jens Eisert @jenseisert
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7K Followers 616 Following Chief Scientist @ Quantinuum - Ex Prof @ Oxford - Em Prof @ Wolfson College - Distinguished Visit Res Chair @ Perimeter - Composer @ Black Tish
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701 Followers 516 Following 🇦🇺 Postdoc at FU Berlin, interested in all things quantum. Big cricket fan, occasional astrophotographer.
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31.1M Followers 995 Following 2016 Democratic Nominee, SecState, Senator, hair icon. Mom, Wife, Grandma x3, lawyer, advocate, fan of walks in the woods & standing up for our democracy.
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36 Followers 36 Following Theoretical physicist interested in the functioning of living cells: the role of DNA spatial organization, genetic translation & more!As always, we end up with more questions than we started with. Many thanks to those who accompanied and guided me in this journey (@CburgesCliff, @Suitsatbram, @MWalschaers, …), I’m looking forward what’s coming next (32/n)
@MWalschaers NP-completeness/hardness are worst-case notions. For crypto, one needs problems that are hard on average.
Dan Simon, of Simon's algorithm fame, comments on Yilei Chen's new algorithm
Q: Can we see highly complex entanglement from a few single-qubit measurements? I always assumed this is impossible as entanglement can be too nonlocal for local measurements to see In arxiv.org/abs/2404.07281, we prove that it can actually be done for almost all quantum states
And now @BaptisteCourme is explaining how to transmit entanglement through a scattering medium @SPIEtweets!
@MWalschaers @polyquantique @fgrosshans Oooh, it can be for a 2- species ion trap computer where beryllium is used to couple qubits!
@MWalschaers @fgrosshans @quantum_graeme An almost palyndrome :')
@quantum_graeme Come on! They have a Q in their name, like every quantum qompany. They should be the quantum province !
Is the Majorana chain short- or long-range entangled? Kareljan Schoutens in Les Houches
@quantum_graeme I beg to differ: Quantum error correction is understood. It can be achieved by throwing resources at it, which industry does well. The real battleground, though, is quantum algorithms.
@MWalschaers @letonyo One of Stockholm’s progressive newspapers saluted the arrival of ‘a princess of science’. Sofia’s response was bitter and ironic: ‘Look at that. I’ve been made into a princess ! It would have been better if they had given me a salary’(Kovaleskaia 1951, 235)
New experimental results out today with collaborators from @QTL_Chalmers! We measure the long sought-after cubic phase state that is obtained by applying the cubic Hamiltonian x³ to an initial squeezed state, by engineering the cubic gate explicitly! scirate.com/arxiv/2308.153… (1/7)
The ROG Ally lets you take your game library with you wherever you go. #ROGALLY #playALLYourgames
An illuminating thread on a baby version of renormalization in perturbation theory.
#PhysicsFactlet (308) There are not many problems in Physics that can be solved exactly, so we tend to rely on perturbation theory a lot. One of the problems with perturbation theory is that infinities have the bad habit of popping up everywhere when you use it. (A thread 1/ )
Exciting spotlight in LeMonde on our recent quantum imaging research! @lemondefr @lemonde_science
Quand les microscopes deviennent quantiques dlvr.it/T3zFJF
@MWalschaers @csferrie @ericcavalcanti I sorta gave in to this debate yesterday. I want Chris to do well with Quokka, and I don’t wanna fall out with anyone. Maybe this forum isn’t the best place to debate QM right now. Happy any other time though!
@fgrosshans @MWalschaers @csferrie Yes, I think “quantum computability” is an appropriate term. That includes q-c, c-q, and c-c as special cases.
@ericcavalcanti @MWalschaers @csferrie Here, I would call this qq-computability
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