@QuantumOktopus

PhD student at Instituto de Física Teórica (@ift_uam_csic). I may not be smart enough to do everything, but I am dumb enough to try anything.

Joined September 2020
  • Tweets19
  • Following110
  • Followers79
5Media
¡Nuevo doctor en el IFT! El pasado viernes, Alejandro Sopena leyó con gran éxito su tesis doctoral titulada 'Design and implementation of quantum algorithms in the noisy intermediate scale quantum era' Y a nosotros nos llena de orgullo, ¡felicidades!🥳 #PhD #PhDlife
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I am offering a 4 year PhD position to work on quantum algorithms for many-body problems, to stat in Winter of 2025. Please do forward the announcement to potentially interested candidates! ift.uam-csic.es/en/jobs/phd-…
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Alejandro Sopena retweeted
La Revuelta
@LaRevuelta_TVE3 Oct 2024
Servicio Público 🚬
Inst. Física Teórica@ift_uam_csic3 Oct 2024
Sabemos lo que estás tramando @davidbroncano @LaRevuelta_TVE
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Alejandro Sopena retweeted
Quantum@quantumjournal25 May 2024
New in Quantum: The Bethe Ansatz as a Quantum Circuit by Roberto Ruiz, Alejandro Sopena, Max Hunter Gordon, Germán Sierra, and Esperanza López doi.org/10.22331/q-2024-05-2…
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🎓 Congrats, Dr. Max Hunter-Gordon, on successfully defending your thesis 'Algorithmic Techniques for Noisy Intermediate Scale Quantum Computers.' 🥳 Hurray!!!! #PhD #QuantumComputing
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Alejandro Sopena retweeted
Matteo Robbiati@lorefais13 Nov 2023
New preprint out now 💥 arxiv.org/abs/2311.05680 We present a novel real-time quantum error mitigation strategy which can be used to improve trainability of variational quantum algorithms. Thanks to my collaborators: @QuantumOktopus, Andrea Papaluca and Stefano Carrazza.
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New paper out today!! 🔥 Bethe Ansatz ---> Quantum Circuit arxiv.org/abs/2309.14430 Thanks to Roberto, @MaxHunterGordon , Germán and Esperanza for a great collaboration.
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Hoy felicitamos a Diego García-Martín, que se ha convertido en doctor tras defender su tesis supervisada por Germán Sierra y José Ignacio Latorre 👏👏👏 ¡Enhorabuena! – at Madrid, Spain
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Alejandro Sopena retweeted
Quantum@quantumjournal29 Sep 2022
New in Quantum: Algebraic Bethe Circuits by Alejandro Sopena, Max Hunter Gordon, Diego García-Martín, Germán Sierra, and Esperanza López doi.org/10.22331/q-2022-09-0…
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Alejandro Sopena retweeted
Carlos Vega@charlie_quantum6 Jul 2022
Suuuuuper happy to announce that this work is finally out! 😁 I have just thought that maybe it would be cool if I wrote a thread summing up what we've being doing, so here I go. I will try to keep it brief (I talk a lot). A thread🧵 (1/n)
Quinfog@queen_of_fog6 Jul 2022
New Quinfog paper, fresh from the arXiv! 'Topological multi-mode waveguide QED', by Carlos Vega (@charlie_quantum), Diego Porras (@D_Porras_Torre) and Alejandro González-Tudela (@agtudela). @iff_csic Check it out at arxiv.org/abs/2207.02090
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Really happy to announce that I will be giving a talk at the Quantum Matter 2022 (@QuantumConf) on the "Algebraic Bethe Circuits" 🙂 Presenting work in collaboration with @QuantumOktopus, @MaxHunterGordon , Germán Sierra & Esperanza López arxiv.org/abs/2202.04673

Algebraic Bethe Circuits

The Algebraic Bethe Ansatz (ABA) is a highly successful analytical method used to exactly solve several physical models in both statistical mechanics and condensed-matter physics. Here we bring...

arxiv.org
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Very happy to announce that our new paper on the Algrebaic Bethe Ansatz (ABA) on quantum computers is finally on arXiv!! Read and enjoy it [THREAD] arxiv.org/abs/2202.04673

Algebraic Bethe Circuits

The Algebraic Bethe Ansatz (ABA) is a highly successful analytical method used to exactly solve several physical models in both statistical mechanics and condensed-matter physics. Here we bring...

arxiv.org
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We illustrate our method in the spin- 1/2 XX and XXZ models and we find its application on the XX model is efficient. We run numerical simulations, preparing eigenstates of the XXZ model for systems of up to 24 qubits and 12 magnons.
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We run small-scale error-mitigated implementations on the IBM quantum computers, including the preparation of the ground state for the XX and XXZ models in 4 sites.
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