Update on @PlaceTally
Working demo available at placetally.com
Used it to track my recent four-workshop tour from Texas through Colorado (first time for me!) and California, with a 40°C temperature swing 🥶☀️
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Volodymyr Vovchenko
74 posts
Volodymyr Vovchenko
@vlvovch
🇺🇦 Theoretical Physicist, faculty at @UHouston, @BerkeleyLab affiliate, alum @UW, @fias_science and @goetheuni. Building https://t.co/LIv8qGaO7w
Houston, TX Katılım Mayıs 2014
172 Takip Edilen266 Takipçiler
A large portion of v1.6 was developed with AI as coding partner (@AnthropicAI Claude Code, @OpenAI Codex). In particular, the entire WebAssembly port (Emscripten/Qt6 build, Docker deployment) done through AI-assisted workflow. A paradigm shift for scientific software development.
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🚀 Thermal-FIST v1.6 is out — now running directly in your browser (WebAssembly).
New: PDG2025 particle lists, improved low-T numerics, effective mass model. Most of v1.6 was built with AI (Claude Code, Codex) as coding partner.
Try it: thermal-fist.vovchenko.net
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🗺️I've been tracking my travels in spreadsheets for years. Turning it into an app, as a side project between physics research
PlaceTally — track where you've been, see your travel stats, and visualize it all on a map.
Launching soon. Preview: placetally.com
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It's the end of the semester! After teaching PHYS 6350 Computational Physics at UH in Spring 2023 and again in 2025, I compiled and published the course materials as an open-access Jupyter Book: vovchenko.net/computational-…
GitHub repo: github.com/vlvovch/PHYS63…
GIF
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Happy to publish a PRC Letter on a new formalism for studying fluctuations and correlations of conserved charges in heavy-ion collisions, finally allowing one to explore the local charge conservation effect on cumulants. Stay tuned for new applications!
Physical Review C@PhysRevC
PRC Letter: Density correlations under global and local charge conservation Volodymyr Vovchenko go.aps.org/4fcBjtH Evidence for local baryon conservation is found in ALICE experimental data on net proton cumulants in central Pb-Pb collisions at √𝑠𝑁𝑁=5.02 TeV
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Excited to talk about this work at tomorrow's RHIC-BES Seminar! indico.ihep.ac.cn/event/21564/
Claudia Ratti@ClaudiaRatti
New paper! We propose a new method to locate the QCD critical point from first principles & predict its location based on available lattice QCD results! With my student @HitanshShah17, colleague @vlvovch & collaborators @JorgeNoronha13 and Mauricio Hippert arxiv.org/abs/2410.16206
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Volodymyr Vovchenko retweetledi
My day starts with a MUSES collaboration talk on Quarkyonic transition for heavy-ion collisions and neutron stars by Roman Poberezhniuk, postdoc at the University of Houston in the group of @vlvovch
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Volodymyr Vovchenko retweetledi
New paper! We compare the convergence properties of Taylor vs T'-expansion, when expanding the EoS of several models to finite density. With my student @kahangirw, my colleague @vlvovch, @NuSteam colleague Jorge Muñoz and @NuSteam undergrad Irene Gonzalez arxiv.org/abs/2408.04588
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Our latest work, published in PRC as an Editors' Suggestion, explores the tantalizing possibility that the ground state of nuclear matter may, in fact, be quarkyonic. The quark Pauli exclusion principle and momentum shell structure provide the repulsion needed for saturation.
Physical Review C@PhysRevC
PRC Editors' Suggestion: Examining the possibility that normal nuclear matter is quarkyonic Volker Koch, et al go.aps.org/4dwBvn4 In quarkyonic matter quarks and baryons can coexist in a single Fermi sphere. This may already have been seen in electron-nucleus scattering
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First foray into the magnetic field, which is now part of FIST
Nuclear Theory Papers@Nuculear
Magnetic field effect on hadron yield ratios and fluctuations in hadron resonance gas. arxiv.org/abs/2405.16306
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Volodymyr Vovchenko retweetledi
We are looking for postdocs! My colleague Dr. Volodymyr Vovchenko @vlvovch and myself have two nuclear theory postdoctoral positions available at the University of Houston, starting in the summer or fall of 2024. Come and work with us! To apply: academicjobsonline.org/ajo/University…
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Volodymyr Vovchenko retweetledi
Excellent talks by young plenary speakers at @qm2023 today!
🎇 @yuuka_kanakubo - theoretical overview of collective dynamics
🎇 @vlvovch - criticality in QCD at finite temperature and density
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Volodymyr Vovchenko retweetledi
FIAS hosted seven Ukrainian researchers after the attack on their country last year. How are they doing today? Read their impressive reports from Frankfurt, Kyiv, USA: fias.news/en/news-public…
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Extending the quantum van der Waals equation with quarks -- an appealing task on its own -- is achieved in our new work, indicating that a quarkyonic type matter may emerge at around twice the normal nuclear density and reachable in heavy-ion collisions.
arxiv.org/abs/2307.13532
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Always great to visit Frankfurt and @fias_science to see many friends and colleagues, as well as to continue and establish new collaborations
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The study was performed in the framework of Chiral Mean Field model through a collaborative effort with groups in Bhubaneswar/Kolkata and Frankfurt, and motivated by the finite system size of QCD matter created in heavy-ion collisions.
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In our recent paper, we explore the effects of a finite volume of QCD matter on the equation of state near the chiral transition. Sizable influence is observed for the speed of sound and (high-order) susceptibilities of conserved charges.
arxiv.org/abs/2306.10596
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Our exploration of quarkyonic matter ends up in baryquark matter instead. The momentum space shell structure of a quark-hadron mixture has baryons in the Fermi sea instead of quarks, and it turns out to be energetically favored. More details in the new preprint!
arXiv nucl-th@_arXiv_nucl_th
[2211.14674] Volker Koch, Volodymyr Vovchenko: Quarkyonic or baryquark matter? On the dynamical generation of momentum space shell structure arxiv.org/abs/2211.14674 arxiv.org/pdf/2211.14674…
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