Paolo Molignini, PhD
@pmolignini.bsky.social
Researcher at Stockholm University studying quantum simulation, nonequilibrium dynamics, and computational methods for quantum physics.
I post about research, data science, machine learning, probability & statistics.
https://medium.com/@moligninip
I post about research, data science, machine learning, probability & statistics.
https://medium.com/@moligninip
The 2025 Nobel Prize in Physics proved that quantum mechanics isn’t just microscopic — entire circuits can tunnel and quantize! 🧠✨
Read my latest on how this discovery paved the way for today’s superconducting qubits ↓
medium.com/science-spec...
#QuantumPhysics #NobelPrize #Tech #Science #Quantum
Read my latest on how this discovery paved the way for today’s superconducting qubits ↓
medium.com/science-spec...
#QuantumPhysics #NobelPrize #Tech #Science #Quantum
October 27, 2025 at 11:10 PM
The 2025 Nobel Prize in Physics proved that quantum mechanics isn’t just microscopic — entire circuits can tunnel and quantize! 🧠✨
Read my latest on how this discovery paved the way for today’s superconducting qubits ↓
medium.com/science-spec...
#QuantumPhysics #NobelPrize #Tech #Science #Quantum
Read my latest on how this discovery paved the way for today’s superconducting qubits ↓
medium.com/science-spec...
#QuantumPhysics #NobelPrize #Tech #Science #Quantum
🚀 50× GPU speedup with AETHER!
Huge thanks to Ábel Tóth & Balázs Bonifert — our multiconfigurational simulations now run ~50× faster than serial MCTDH-X! 🤯
Two fermions on a 128×128 grid in the plot. Computations taking a month on CPU now <1 day!
#QuantumSimulation #HPC #GPUComputing #AETHER
Huge thanks to Ábel Tóth & Balázs Bonifert — our multiconfigurational simulations now run ~50× faster than serial MCTDH-X! 🤯
Two fermions on a 128×128 grid in the plot. Computations taking a month on CPU now <1 day!
#QuantumSimulation #HPC #GPUComputing #AETHER
October 23, 2025 at 6:46 PM
🚀 50× GPU speedup with AETHER!
Huge thanks to Ábel Tóth & Balázs Bonifert — our multiconfigurational simulations now run ~50× faster than serial MCTDH-X! 🤯
Two fermions on a 128×128 grid in the plot. Computations taking a month on CPU now <1 day!
#QuantumSimulation #HPC #GPUComputing #AETHER
Huge thanks to Ábel Tóth & Balázs Bonifert — our multiconfigurational simulations now run ~50× faster than serial MCTDH-X! 🤯
Two fermions on a 128×128 grid in the plot. Computations taking a month on CPU now <1 day!
#QuantumSimulation #HPC #GPUComputing #AETHER
🌌 Matter can walk through walls — and that’s what makes the Sun shine! ☀️
Particles can tunnel through barriers like ghosts 👻 in a quantum world ruled by probabilities.
Read my latest #ScienceSpectrum story on #Medium 👇
medium.com/science-spec...
#Physics #Quantum #QuantumPhysics #Science #Tech
Particles can tunnel through barriers like ghosts 👻 in a quantum world ruled by probabilities.
Read my latest #ScienceSpectrum story on #Medium 👇
medium.com/science-spec...
#Physics #Quantum #QuantumPhysics #Science #Tech
October 16, 2025 at 10:15 AM
🌌 Matter can walk through walls — and that’s what makes the Sun shine! ☀️
Particles can tunnel through barriers like ghosts 👻 in a quantum world ruled by probabilities.
Read my latest #ScienceSpectrum story on #Medium 👇
medium.com/science-spec...
#Physics #Quantum #QuantumPhysics #Science #Tech
Particles can tunnel through barriers like ghosts 👻 in a quantum world ruled by probabilities.
Read my latest #ScienceSpectrum story on #Medium 👇
medium.com/science-spec...
#Physics #Quantum #QuantumPhysics #Science #Tech
A single curve can reveal everything about your classifier 📈 In my latest story, I show how the ROC curve turns complex ML comparisons into clear insight — from logistic regression to random forests 🔍
👉 medium.com/data-science...
#DataScience #MachineLearning #Medium #Science #Python #Programming
👉 medium.com/data-science...
#DataScience #MachineLearning #Medium #Science #Python #Programming
October 6, 2025 at 9:23 PM
A single curve can reveal everything about your classifier 📈 In my latest story, I show how the ROC curve turns complex ML comparisons into clear insight — from logistic regression to random forests 🔍
👉 medium.com/data-science...
#DataScience #MachineLearning #Medium #Science #Python #Programming
👉 medium.com/data-science...
#DataScience #MachineLearning #Medium #Science #Python #Programming
Wrapped up #BEC2025 in Sant Feliu de Guíxols 🌊—an inspiring week of world-class #AMOphysics. Grateful to present our work on long-range quantum gases with #MCTDHX & #AETHER, and for the many stimulating discussions. Huge thanks to the organizers! 🙌 #QuantumSimulation #UltracoldAtoms
September 14, 2025 at 4:35 PM
Wrapped up #BEC2025 in Sant Feliu de Guíxols 🌊—an inspiring week of world-class #AMOphysics. Grateful to present our work on long-range quantum gases with #MCTDHX & #AETHER, and for the many stimulating discussions. Huge thanks to the organizers! 🙌 #QuantumSimulation #UltracoldAtoms
🚀 Playing Quantum Lego: Building Exotic Physics with Ultracold Atoms, in my latest #Medium article published in #ScienceSpectrum.
👉 Read the full article: medium.com/science-spec...
#QuantumPhysics #UltracoldAtoms #QuantumSimulation #ScienceCommunication #Research #Innovation #Technology #STEM
👉 Read the full article: medium.com/science-spec...
#QuantumPhysics #UltracoldAtoms #QuantumSimulation #ScienceCommunication #Research #Innovation #Technology #STEM
September 11, 2025 at 10:00 AM
🚀 Playing Quantum Lego: Building Exotic Physics with Ultracold Atoms, in my latest #Medium article published in #ScienceSpectrum.
👉 Read the full article: medium.com/science-spec...
#QuantumPhysics #UltracoldAtoms #QuantumSimulation #ScienceCommunication #Research #Innovation #Technology #STEM
👉 Read the full article: medium.com/science-spec...
#QuantumPhysics #UltracoldAtoms #QuantumSimulation #ScienceCommunication #Research #Innovation #Technology #STEM
❄️ The coldest place in the Universe isn’t in space—it’s in labs on Earth! My new article explores how atoms are cooled to billionths of a degree, why it matters for quantum tech, and what makes each species special. 🚀 medium.com/me/stats/pos... medium.com/me/stats/pos...
#UltracoldAtoms #Quantum
#UltracoldAtoms #Quantum
September 10, 2025 at 10:35 AM
❄️ The coldest place in the Universe isn’t in space—it’s in labs on Earth! My new article explores how atoms are cooled to billionths of a degree, why it matters for quantum tech, and what makes each species special. 🚀 medium.com/me/stats/pos... medium.com/me/stats/pos...
#UltracoldAtoms #Quantum
#UltracoldAtoms #Quantum
A privilege to speak at Perspectives in Non-Hermitian Systems in San Sebastián last week—beautiful city & inspiring event! Shared new results on non-Hermitian quantum dynamics w/ Karin Nakanishi, Nicolò Defenu & R. Chitra. Thanks to the organizers! 🌊✨ #QuantumPhysics #NonHermitian #Research #Quantum
September 10, 2025 at 10:31 AM
A privilege to speak at Perspectives in Non-Hermitian Systems in San Sebastián last week—beautiful city & inspiring event! Shared new results on non-Hermitian quantum dynamics w/ Karin Nakanishi, Nicolò Defenu & R. Chitra. Thanks to the organizers! 🌊✨ #QuantumPhysics #NonHermitian #Research #Quantum
Proved 3 open conjectures by Hegselmann on ε-switches in the HK model ⚡:
1️⃣ Finitely many switches
2️⃣ Consistent dynamics between them
3️⃣ Invariant under affine transforms
Check out the full preprint:
arxiv.org/abs/2408.13535
#opiniondynamics #HKmodel #math #research #graphs #networks
1️⃣ Finitely many switches
2️⃣ Consistent dynamics between them
3️⃣ Invariant under affine transforms
Check out the full preprint:
arxiv.org/abs/2408.13535
#opiniondynamics #HKmodel #math #research #graphs #networks
August 26, 2025 at 1:56 PM
Proved 3 open conjectures by Hegselmann on ε-switches in the HK model ⚡:
1️⃣ Finitely many switches
2️⃣ Consistent dynamics between them
3️⃣ Invariant under affine transforms
Check out the full preprint:
arxiv.org/abs/2408.13535
#opiniondynamics #HKmodel #math #research #graphs #networks
1️⃣ Finitely many switches
2️⃣ Consistent dynamics between them
3️⃣ Invariant under affine transforms
Check out the full preprint:
arxiv.org/abs/2408.13535
#opiniondynamics #HKmodel #math #research #graphs #networks
🔍 Can long-range interactions destroy localization?
Bastien Dumont explored this during his internship w/ me by adding a level-statistics module to EDITH, our ED code. Result: long-range terms push MBL systems toward chaos!
👏 Amazing work!
#MBL #QuantumChaos #EDITH #Physics #Internship #Research
Bastien Dumont explored this during his internship w/ me by adding a level-statistics module to EDITH, our ED code. Result: long-range terms push MBL systems toward chaos!
👏 Amazing work!
#MBL #QuantumChaos #EDITH #Physics #Internship #Research
July 29, 2025 at 8:16 AM
🔍 Can long-range interactions destroy localization?
Bastien Dumont explored this during his internship w/ me by adding a level-statistics module to EDITH, our ED code. Result: long-range terms push MBL systems toward chaos!
👏 Amazing work!
#MBL #QuantumChaos #EDITH #Physics #Internship #Research
Bastien Dumont explored this during his internship w/ me by adding a level-statistics module to EDITH, our ED code. Result: long-range terms push MBL systems toward chaos!
👏 Amazing work!
#MBL #QuantumChaos #EDITH #Physics #Internship #Research
🚨 New preprint! 🚨
My first foray into opinion dynamics is out:
“Nonmonotonic consensus transitions in bounded-confidence dynamics on unbiased networks”
📄 arxiv.org/abs/2507.14276
More links ≠ more consensus—sometimes the opposite!
#OpinionDynamics #arXiv #ComplexSystems
My first foray into opinion dynamics is out:
“Nonmonotonic consensus transitions in bounded-confidence dynamics on unbiased networks”
📄 arxiv.org/abs/2507.14276
More links ≠ more consensus—sometimes the opposite!
#OpinionDynamics #arXiv #ComplexSystems
July 24, 2025 at 7:05 AM
🚨 New preprint! 🚨
My first foray into opinion dynamics is out:
“Nonmonotonic consensus transitions in bounded-confidence dynamics on unbiased networks”
📄 arxiv.org/abs/2507.14276
More links ≠ more consensus—sometimes the opposite!
#OpinionDynamics #arXiv #ComplexSystems
My first foray into opinion dynamics is out:
“Nonmonotonic consensus transitions in bounded-confidence dynamics on unbiased networks”
📄 arxiv.org/abs/2507.14276
More links ≠ more consensus—sometimes the opposite!
#OpinionDynamics #arXiv #ComplexSystems
🚨 New preprint! We show how to disentangle topological edge states and non-Hermitian skin modes in dissipative quantum systems w/ dynamical observables. A step toward robust control of open quantum devices!w/ F. Yang, M. Zelenayová & E. Bergholtz @stockholmuni.bsky.social
📄 arxiv.org/abs/2506.16308
📄 arxiv.org/abs/2506.16308
June 27, 2025 at 10:06 AM
🚨 New preprint! We show how to disentangle topological edge states and non-Hermitian skin modes in dissipative quantum systems w/ dynamical observables. A step toward robust control of open quantum devices!w/ F. Yang, M. Zelenayová & E. Bergholtz @stockholmuni.bsky.social
📄 arxiv.org/abs/2506.16308
📄 arxiv.org/abs/2506.16308
A new feline joins the quantum race: Amazon & Caltech’s Ocelot chip uses “cat qubits” to tackle error correction with bosonic codes. Is it a game-changer for quantum hardware?
Read the #Medium story: medium.com/the-quantast...
#QuantumComputing #Quantum #CatQubits #Technology #ScienceCommunication
Read the #Medium story: medium.com/the-quantast...
#QuantumComputing #Quantum #CatQubits #Technology #ScienceCommunication
April 23, 2025 at 11:17 AM
A new feline joins the quantum race: Amazon & Caltech’s Ocelot chip uses “cat qubits” to tackle error correction with bosonic codes. Is it a game-changer for quantum hardware?
Read the #Medium story: medium.com/the-quantast...
#QuantumComputing #Quantum #CatQubits #Technology #ScienceCommunication
Read the #Medium story: medium.com/the-quantast...
#QuantumComputing #Quantum #CatQubits #Technology #ScienceCommunication
Just wrapped up an inspiring 2-day retreat on Dynamic Quantum Matter at Rosersbergs Slottshotell! Amazing talks & ideas on non-equilibrium phases, topological matter, open systems & more. Grateful to all who joined—excited for what’s next! #QuantumPhysics #WallenbergFoundation #Research #STEM
April 11, 2025 at 5:14 PM
Just wrapped up an inspiring 2-day retreat on Dynamic Quantum Matter at Rosersbergs Slottshotell! Amazing talks & ideas on non-equilibrium phases, topological matter, open systems & more. Grateful to all who joined—excited for what’s next! #QuantumPhysics #WallenbergFoundation #Research #STEM
Had a fantastic visit to @lund-university.bsky.social 🇸🇪 last week, invited by Prof. Stephanie Reimann ✨ Great chats on #QuantumSimulators & #MCTDHX, and exciting plans for future collabs! Now's the time to grow Sweden's #ultracold experimental scene 🚀❄️ #QuantumTech #STEM #Physics
April 7, 2025 at 2:33 PM
Had a fantastic visit to @lund-university.bsky.social 🇸🇪 last week, invited by Prof. Stephanie Reimann ✨ Great chats on #QuantumSimulators & #MCTDHX, and exciting plans for future collabs! Now's the time to grow Sweden's #ultracold experimental scene 🚀❄️ #QuantumTech #STEM #Physics
Have you ever wanted to learn how to simulate many-body quantum systems but didn't know where to start? Try our lecture notes on #MCTDHX! They have just been peer-reviewed and published in @scipost.bsky.social! 🎉
scipost.org/SciPostPhysL...
#Research #Quantum #Physics #Tech #Programming
scipost.org/SciPostPhysL...
#Research #Quantum #Physics #Tech #Programming
April 1, 2025 at 8:07 PM
Have you ever wanted to learn how to simulate many-body quantum systems but didn't know where to start? Try our lecture notes on #MCTDHX! They have just been peer-reviewed and published in @scipost.bsky.social! 🎉
scipost.org/SciPostPhysL...
#Research #Quantum #Physics #Tech #Programming
scipost.org/SciPostPhysL...
#Research #Quantum #Physics #Tech #Programming
What do fulgurites and clustered quantum states have in common? 🤔
👉 Read my latest #Medium article in #ScienceSpectrum - "Quantum stability takes a dip(ole)" - to find out!
#Quantum #Physics #QuantumPhysics #QuantumComputing #Research #STEM #Tech #Science #UltracoldAtoms #Outreach #Writing
👉 Read my latest #Medium article in #ScienceSpectrum - "Quantum stability takes a dip(ole)" - to find out!
#Quantum #Physics #QuantumPhysics #QuantumComputing #Research #STEM #Tech #Science #UltracoldAtoms #Outreach #Writing
March 29, 2025 at 1:36 PM
What do fulgurites and clustered quantum states have in common? 🤔
👉 Read my latest #Medium article in #ScienceSpectrum - "Quantum stability takes a dip(ole)" - to find out!
#Quantum #Physics #QuantumPhysics #QuantumComputing #Research #STEM #Tech #Science #UltracoldAtoms #Outreach #Writing
👉 Read my latest #Medium article in #ScienceSpectrum - "Quantum stability takes a dip(ole)" - to find out!
#Quantum #Physics #QuantumPhysics #QuantumComputing #Research #STEM #Tech #Science #UltracoldAtoms #Outreach #Writing
I challenge you to a guessing game:
- 🎲 Player A picks a number 1 - 100 with some probability.
-💡 Player B must guess that number to earn its dollar value.
If you knew the probability distribution, how would you maximize your earnings?
🔗 medium.com/puzzle-spher...
#Probability #DataScience #Quiz
- 🎲 Player A picks a number 1 - 100 with some probability.
-💡 Player B must guess that number to earn its dollar value.
If you knew the probability distribution, how would you maximize your earnings?
🔗 medium.com/puzzle-spher...
#Probability #DataScience #Quiz
March 27, 2025 at 8:35 AM
I challenge you to a guessing game:
- 🎲 Player A picks a number 1 - 100 with some probability.
-💡 Player B must guess that number to earn its dollar value.
If you knew the probability distribution, how would you maximize your earnings?
🔗 medium.com/puzzle-spher...
#Probability #DataScience #Quiz
- 🎲 Player A picks a number 1 - 100 with some probability.
-💡 Player B must guess that number to earn its dollar value.
If you knew the probability distribution, how would you maximize your earnings?
🔗 medium.com/puzzle-spher...
#Probability #DataScience #Quiz
First paper of my VR Starting Grant is out: journals.aps.org/prresearch/a...
We investigate quench dynamics in dipolar bosons, showing that stability persists only for weak dipolar interactions, while all cluster states collapse.
#Quantum #Physics #QuantumPhysics #STEM #Research #Science
We investigate quench dynamics in dipolar bosons, showing that stability persists only for weak dipolar interactions, while all cluster states collapse.
#Quantum #Physics #QuantumPhysics #STEM #Research #Science
March 11, 2025 at 9:12 AM
First paper of my VR Starting Grant is out: journals.aps.org/prresearch/a...
We investigate quench dynamics in dipolar bosons, showing that stability persists only for weak dipolar interactions, while all cluster states collapse.
#Quantum #Physics #QuantumPhysics #STEM #Research #Science
We investigate quench dynamics in dipolar bosons, showing that stability persists only for weak dipolar interactions, while all cluster states collapse.
#Quantum #Physics #QuantumPhysics #STEM #Research #Science
There’s been a lot of (dis)information about #Microsoft’s recent announcement of their #Majorana 1 topological #quantum chip. In my latest #Medium story, I give you the #facts based on their #Nature paper, check it out: medium.com/the-quantast...
#Science #QuantumComputing #Physics #Technology
#Science #QuantumComputing #Physics #Technology
March 4, 2025 at 4:55 PM
There’s been a lot of (dis)information about #Microsoft’s recent announcement of their #Majorana 1 topological #quantum chip. In my latest #Medium story, I give you the #facts based on their #Nature paper, check it out: medium.com/the-quantast...
#Science #QuantumComputing #Physics #Technology
#Science #QuantumComputing #Physics #Technology
🚀 Our first #preprint from the @vetenskapsradet.bsky.social #StartingGrant is out! 📝✨
"Stability of dipolar bosons in a quasiperiodic potential" explores exotic #quantum phases linking long-range #interactions, crystal states, and correlated #disorder.
🔗 arxiv.org/abs/2502.04429
#QuantumPhysics
"Stability of dipolar bosons in a quasiperiodic potential" explores exotic #quantum phases linking long-range #interactions, crystal states, and correlated #disorder.
🔗 arxiv.org/abs/2502.04429
#QuantumPhysics
February 14, 2025 at 12:50 PM
🚀 Our first #preprint from the @vetenskapsradet.bsky.social #StartingGrant is out! 📝✨
"Stability of dipolar bosons in a quasiperiodic potential" explores exotic #quantum phases linking long-range #interactions, crystal states, and correlated #disorder.
🔗 arxiv.org/abs/2502.04429
#QuantumPhysics
"Stability of dipolar bosons in a quasiperiodic potential" explores exotic #quantum phases linking long-range #interactions, crystal states, and correlated #disorder.
🔗 arxiv.org/abs/2502.04429
#QuantumPhysics
🚀 Why 1'000 Feels Bigger Than 1'000'000 🤯
Survey 1'000 people in a city of 1M—what are the chances someone gets picked twice? Your gut says near zero, but the math says almost certain. Our intuition fails at big numbers!
🔗 Read more: medium.com/puzzle-spher...
#math #probability #statistics
Survey 1'000 people in a city of 1M—what are the chances someone gets picked twice? Your gut says near zero, but the math says almost certain. Our intuition fails at big numbers!
🔗 Read more: medium.com/puzzle-spher...
#math #probability #statistics
February 4, 2025 at 8:58 AM
🚀 Why 1'000 Feels Bigger Than 1'000'000 🤯
Survey 1'000 people in a city of 1M—what are the chances someone gets picked twice? Your gut says near zero, but the math says almost certain. Our intuition fails at big numbers!
🔗 Read more: medium.com/puzzle-spher...
#math #probability #statistics
Survey 1'000 people in a city of 1M—what are the chances someone gets picked twice? Your gut says near zero, but the math says almost certain. Our intuition fails at big numbers!
🔗 Read more: medium.com/puzzle-spher...
#math #probability #statistics
Together with the brilliant staff at @hlrs-hpc.bsky.social, AMD and HPE I'm porting the #MCTHDX #software to #GPU! Stay tuned for a new computational leap in #QuantumPhysics coming very soon!
#Computing #Research #HPC #Quantum #CondensedMatter #QuantumOptics #STEM #Programming #Fortran #ROCM #CRAY
#Computing #Research #HPC #Quantum #CondensedMatter #QuantumOptics #STEM #Programming #Fortran #ROCM #CRAY
January 30, 2025 at 8:30 PM
Together with the brilliant staff at @hlrs-hpc.bsky.social, AMD and HPE I'm porting the #MCTHDX #software to #GPU! Stay tuned for a new computational leap in #QuantumPhysics coming very soon!
#Computing #Research #HPC #Quantum #CondensedMatter #QuantumOptics #STEM #Programming #Fortran #ROCM #CRAY
#Computing #Research #HPC #Quantum #CondensedMatter #QuantumOptics #STEM #Programming #Fortran #ROCM #CRAY
🔍 Solve a Probability Mystery! 🔍
What are the odds of solving a crime… using math?
Put your skills to the test with my latest puzzle: medium.com/puzzle-spher...
Drop your solution below—I’d love to see your take!
#Probability #Math #CriticalThinking #DataScience #Statistics #ProblemSolving
What are the odds of solving a crime… using math?
Put your skills to the test with my latest puzzle: medium.com/puzzle-spher...
Drop your solution below—I’d love to see your take!
#Probability #Math #CriticalThinking #DataScience #Statistics #ProblemSolving
January 28, 2025 at 8:16 AM
🔍 Solve a Probability Mystery! 🔍
What are the odds of solving a crime… using math?
Put your skills to the test with my latest puzzle: medium.com/puzzle-spher...
Drop your solution below—I’d love to see your take!
#Probability #Math #CriticalThinking #DataScience #Statistics #ProblemSolving
What are the odds of solving a crime… using math?
Put your skills to the test with my latest puzzle: medium.com/puzzle-spher...
Drop your solution below—I’d love to see your take!
#Probability #Math #CriticalThinking #DataScience #Statistics #ProblemSolving
Had a blast presenting my research on long-range interactions at @stockholmuni.bsky.social! Ropes + imagination = quantum concepts made fun! :D Also big thanks to the audience volunteers who made it so interactive!
#QuantumPhysics #ScienceOutreach #Science #STEM #Quantum #Physics #Communication
#QuantumPhysics #ScienceOutreach #Science #STEM #Quantum #Physics #Communication
January 26, 2025 at 3:08 PM
Had a blast presenting my research on long-range interactions at @stockholmuni.bsky.social! Ropes + imagination = quantum concepts made fun! :D Also big thanks to the audience volunteers who made it so interactive!
#QuantumPhysics #ScienceOutreach #Science #STEM #Quantum #Physics #Communication
#QuantumPhysics #ScienceOutreach #Science #STEM #Quantum #Physics #Communication