Mark Mitchison
@MarkMitchison
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Quantum & non-equilibrium physics | @royalsociety-@scienceirel Research Fellow | Ed. @quantumjournal @NJPhysics | He/him |≈60% science/30% politics/11% nonsense
Trinity College Dublin
Joined November 2012
I’m not on here much any more. Come follow me on the other place 🦋🦋🦋🦋 handle is just @mitchison.
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Super excited and proud of my @ASPECTS_quantum partners for their latest work published today in Nature Physics I spent most of my PhD thinking about autonomous quantum refrigerators in theory, so it’s amazing to see one put to practical use at last!.
nature.com
Nature Physics - Resetting qubits in a quantum computer requires significant hardware resources. Now, an experiment demonstrates an on-chip quantum refrigerator that uses a thermal gradient to...
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RT @curlyqubit: (1/10) Here's a 🧵with my own personal year-in-review for quantum thermodynamics summarising some of my favorite results fro….
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RT @katrionaos: I have been promoted to professor through @MaynoothUni promotion scheme!. my journey is an example of why you should never….
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RT @TCD_physics: We're hiring! Applications welcome for @tcddublin Assist. Prof in #QuantumScience. All apps encouraged, but particularly t….
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Nice to have our work @ASPECTS_quantum mentioned in this slick rundown of cool physics discoveries from 2024 😎⏰.
arxiv.org
Time estimation is a fundamental task that underpins precision measurement, global navigation systems, financial markets, and the organisation of everyday life. Many biological processes also...
We collected some of the wildest physics that New Scientist covered in 2024. These findings about the multiverse, quantum mechanics and time itself are forcing scientists – and us – to rethink reality
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🚨new paper🚨 out today! We use the same kind of artificial intelligence model that underpins ChatGPT for quantum feedback control! Many thanks to my coauthors Florian Marquadt, @NAresgroup and especially Pranav Vaidhyanathan for the hard work! .
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RT @mankei_tsang: Congratulations my fellow researchers, your hard work has made some people very rich.
reuters.com
Springer Nature's shares opened at 24 euros in its Frankfurt initial public offering (IPO) on Friday, 6.7% above where Germany's first listing in six months was priced.
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RT @PhysicsSteve: 🚨 I'm advertising two PhD positions in my @PhysAstroEd team!. One is about developing new ways to simulate open quantum s….
ph.ed.ac.uk
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Strong contender for Best Physics Paper Title 2024.
Our latest paper "Can quantum computers do nothing ? " just published - check it out here. Well done to @QuSysTCD IBM pre doc Nathan Keenan and powerfully lead by @TrinityQuantum powerhouse - Alex Nico Katz. Read the published version here: .
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RT @FacultyMaths: We are delighted that Hannah Fry will join the Department of Applied Mathematics and Theoretical Physics in January 2025….
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RT @saulovmo: Awesome to see this work led by my friend Stephanie Matern published. We show the impact of a finite-size electronic reservoi….
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RT @TJRyan_77: This sounds like something that could be an election issue. We need to show the world we are taking science and research s….
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Second paper this week, this time from ToCQS postdoc @saulovmo plus @FelixBinder and crew. How do correlations between multiple currents influence their fluctuations in Markovian open quantum systems? Our new precision bounds reveal the answer!👇.
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RT @ASPECTS_quantum: @MarkMitchison @Saulo_mtb_mtx and @khMahadeviya share about their new children’s story “Quantum Quest” cowritten with….
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Thanks to my wonderful co-authors @p_strasberg @QuSysTCD @modikk for their patience with this project over the last ~4 years 😳and @royalsociety @IrishResearch for financial support! Also check out related recent work by @Archak_physics @Quantum_GiaGuar
This paper highlights the difference between thermalization in Open Quantum Systems (OQS) and Isolated Quantum Systems (IQS). It matured like fine wine over the years! Two authors were postdocs when it started, and now about a year into faculty positions!
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Of course we are not the first to think about this – e.g. Srednicki was musing on the connection between Markovianity and ETH in the 90s – but we hope this provides a more solid foundation for open-systems theory and helps connect with modern ETH research.
arxiv.org
We consider many-body quantum systems that exhibit quantum chaos, in the sense that the observables of interest act on energy eigenstates like banded random matrices. We study the time-dependent...
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