Highlights – More

We are pleased to share the outcomes from the Symposium on Prospects in the Physics of Discrete Symmetries, held from 2–6 December 2024 at the Ljubljana Exhibition and Convention Centre (Gospodarsko razstavišče). The symposium brought together leading experts in high-energy … Read More

Slovenia has officially become a full member of the European Organization for Nuclear Research (CERN), marking a significant milestone in its scientific and research community. This new status is expected to boost the involvement of Slovenian researchers and institutions in … Read More

We are organising a performance titled: What’s the Matter? A Show on Elementary Particle Physics with 28 Demonstration Experiments. The event, which lasts 2 hours, conveys the basic concepts of particle physics in an entertaining manner, including the discovery of … Read More

The Department of Theoretical Physics and the Department of Condensed Matter Physics (coordinated by prof. dr. Andrej Zorko), together with 11 other departments at the Jožef Stefan Institute, were awarded the MSCA Cofund project “Slovenian Quantum Science Hub” (SQUASH). Project … Read More

Recently, a group of physicists in Slovenia (Pietro Baratella, Miha Nemevšek, Yutaro Shoji, Katarina Trailović, Lorenzo Ubaldi) claimed to have found a small error in the calculation, one that quickens the end of the universe as we know it to … Read More

The third call for applications for SMASH postdoctoral Fellowships, co-funded by Marie Sklodowska Curie Actions, is now open! It offers excellent research opportunities that revolve around machine learning and its applications to the fields of climate research, linguistics, precision medicine … Read More

Vabljeni k poslušanju pogovornega podcasta Mihilizem, v katerem je sodeloval naš sodelavec prof. dr. Miha Nemevšek.  

Prof. dr. Svjetlana Fajfer gave a Theory Summary talk at the Moriond conference Electroweak Interactions & Unified Theories 2024, which took place from 24-31 March 2024 at La Thuile.  The Rencontres de Moriond conferences are serials of high-energy conferences on … Read More

On the occasion of Svjetlana Fajfer’s anniversary, those who worked with her as doctoral students will gather at the Jožef Stefan Institute for a workshop with the goal of honoring prof. dr. Svjetlana Fajfer’s rich physics career and her tremendous … Read More

On 20 March 2024, the Jožef Stefan Institute awarded the Jožef Stefan Golden Emblem to encourage young researchers to be even more committed to scientific research, which is also a kind of call to action for the economy to use this … Read More

From June 17 to 23 our group shall host an event Bled 2024: International Workshop on Lepton Number Violation. Lepton number violation is a fundamental topic in particle physics, pertaining to an accidentally conserved global symmetry. Many theories of neutrino … Read More

Obveščamo vas, da bodo od 18. do 23. marca tradicionalno potekali Dnevi Jožefa Stefana, ki jih že od leta 1993 izvajamo v počastitev rojstnega dneva slovitega fizika Jožefa Stefana, katerega ime nosi naš inštitut. To je teden, ko odpremo vrata … Read More

V zadnji februarski oddaji “Radiovedni” na Valu 202 je naš sodelavec prof. dr. Miha Nemevšek sodeloval v pogovoru z voditeljem Nikom Škrlecom o eni izmed največjih ugank sodobne znanosti – temni snovi. Zakaj največji neznanki sodobne znanosti rečemo temna snov? … Read More

The European COST Action CA21106 “Cosmic WISPers in the Dark Universe: Theory, astrophysics and experiments” is an initiative funded by the COST Association, whose goal is to study axions and other very weakly interacting slim  particles (WISPs) emerging in several extensions of the Standard Model … Read More

From January 28 to February 1, an international workshop will take place in Log pod Mangartom on the topic of functional determinants. Functional determinants represent corrections at the one-loop level of vacuum decay rates calculations. The latest research will be presented … Read More

Prof. dr. Svjetlana Fajfer gave the keynote talk “Implications of LHCb measurements and future prospects” at the conference “From Flavour Anomalies Towards New Physics“, which took place from 25 to 27 October 2023 at CERN. The aim of the conference … Read More

Fakulteta za matematiko in fiziko Univerze v Ljubljani in Institut Jožef Stefan sta petič podelila Blinčeve nagrade za raziskovalno in strokovno delo na področju fizike, ki so namenjene fizikom, delujočim v Sloveniji. Blinčevo nagrado za fizike na začetku kariere je prejel izr. prof. … Read More

The High Energy Physics Mini-Workshop 2023 is set to take place in Brda, Slovenija from October 11 to 13. Hosted by the Institute of Jožef Stefan and Faculty of Mathematics and Physics of University of Ljubljana, this workshop will bring … Read More

Miha Nemevšek (IJS) and Yue Zhang (Carleton U.) find significant generic constraints on models of dark matter coming from large scale structure formation. Their work, published in Physical Review Letters, gives analytic estimates, followed by precise numerical calculations that set … Read More

  Are you fascinated by particle physics and cosmology? Do you want to learn from leading experts and connect with other students from around the world? If so, apply now for the Ljubljana Summer School on Particle Physics and Cosmology, … Read More

      Are you interested in exploring the mysteries of elementary particle physics? Do you want to learn about the latest developments and challenges in the field, from the early universe to future colliders? These are the topics we … Read More

S. Prelovšek Komelj (JSI) and M. Padmanath (Mainz) find evidence for the longest-lived exotic hadron. Their article in Physical Review Letters establishes this state with an ab-initio theoretical study for the first time.  Experiments have recently discovered exotic hadrons that consist … Read More

Prof. dr. Saša Prelovšek Komelj presented a plenary review entitled “Hadron physics: theory”  at one of the central symposiums in particle physics – the Lepton Photon symposium held in January 2022. She reviewed the current theoretical understanding of exotic and … Read More

The sixth in the series of biennial Portorož workshops will take place from September 21st to 24th, 2021. The aim of the workshop is to discuss complementary aspects of precision elementary particle phenomenology both within the standard model and beyond: those … Read More

The 3rd trilateral meeting, involving parties from the University of Nova Gorica, SISSA and ICTP from Trieste and from the Jožef Stefan Institute in Ljubljana, will take place in the Lanthieri mansion in Vipava on September 15th, 2021. The talks will cover … Read More

This years’ workshop is intended to bring together and facilitate discussions between members of the Theoretical physics of nuclei, particles and fields group and a couple of invited guests working on various phenomenological aspects of the Standard Model and New Physics. … Read More

Dr. Miha Nemevšek contributes to the online journal Alternator with a popular scientific text on false vacuum decay and phase transitions in the early universe.  

V skupini za fiziko visokih energij nudimo teme za magistrska dela ali seminarje. Za podrobne informacije kontaktirajte mentorje, ki ponujajo spodnje tematike. Jernej Fesel Kamenik Iskanje signalov nove fizike na visokoenergijskih trkalnikih delcev ter v redkih razpadih tezkih hadronov, Uporaba metod … Read More

Summer school on theoretical aspects of calculations related to BSM searches at colliders (e.g. MC tools, analyses, machine learning techniques), QCD at high and low energies, phase transitions and gravitational waves.

Jan Rozman (Oxford University), Matej Krajnc, and Primož Ziherl have published a paper titled “Basolateral cell mechanics prevents rigidity transition in epithelial monolayers” in Physical Review Letters. In this study, the authors employ a three-dimensional vertex model to explore how … Read More

The Department of Theoretical Physics and the Department of Condensed Matter Physics (coordinated by prof. dr. Andrej Zorko), together with 11 other departments at the Jožef Stefan Institute, were awarded the MSCA Cofund project “Slovenian Quantum Science Hub” (SQUASH). Project … Read More

Remarkable advances in the understanding of topological constraints in biological and soft matter physics in the past few years stimulated the European COST collaboration EUTOPIA to write a comprehensive review paper on topological effects in systems ranging from DNA and … Read More

Dr. Matej Krajnc has been awarded RSF funding for his FUTURE project, titled “MEchanics, Topology, And Geometry of Natural Optimizing Networks.” The RSF Committee announced the award after reviewing 42 proposals, including 22 under the FUTURE category. Following a rigorous … Read More

Understanding how much gas shale reservoirs can hold is crucial for efficient gas extraction and carbon sequestration. Our computer simulations reveal that traditional methods, which use helium as a proxy, overestimate these capacities by a factor of two, highlighting the … Read More

The meeting will take place in Tehnopark in Celje from 6 – 7 June 2024. It will cover various topics in biophysics ranging from molecules to cells and tissues.  

Urška Andrenšek, Primož Ziherl in Matej Krajnc z Odseka za teoretično fiziko Instituta “Jožef Stefan” so s sodelavci z Université Côte d’Azur v reviji Developmental Cell objavili članek z naslovom A mechanical wave travels along a genetic guide to drive the … Read More

Obveščamo vas, da bodo od 18. do 23. marca tradicionalno potekali Dnevi Jožefa Stefana, ki jih že od leta 1993 izvajamo v počastitev rojstnega dneva slovitega fizika Jožefa Stefana, katerega ime nosi naš inštitut. To je teden, ko odpremo vrata … Read More

The Slovenian Biophysical Society welcomes members from the Department of Theoretical Physics (F1) to its newly formed board, with Dr. Matej Kanduč as President, Dr. Matej Krajnc as Secretary, and Dr. Anže Rapoš Božič. The society is dedicated to advancing … Read More

A recent publication by M. Šako, F. Staniscia, and M. Kanduč in PNAS Nexus unveils the conditions under which lipid monolayers can spontaneously self-assemble on solid substrates. Although it has long been known that this process requires a sufficiently hydrophobic … Read More

Urška Andrenšek, Primož Ziherl, and Matej Krajnc published a paper in Physical Review Letters. In their work, they investigate the elasticity of an unsupported epithelial monolayer and they discover that unlike a thin solid plate, which wrinkles if geometrically incompatible … Read More

The workshop will take place in Ljubljana, August 27–30, 2023. It aims to identify the most exciting prospects and challenges in the field. It will host the most far distinguished researchers worldwide, experimentalists and theorists alike. There will be time … Read More

While the temperature-responsive behavior of nonionic polymers has been extensively studied and is nowadays one of the key mechanisms of smart materials, the pressure response of thin films remains basically unexplored. We investigate the conformational transition of nonionic brushes and … Read More

Lithium/sulfur batteries are a promising candidate for the post-lithium-ion era thanks to their high energy density and environmental friendliness. However, complex degradation mechanisms and a poor understanding of the polysulfide (PS) molecular structure and ether-based components have hindered their broad … Read More

Understanding protein packing and morphological transformations in virus shells (capsids) during their maturation can be pivotal for developing new antiviral strategies. Anže Božič and coworkers studied how these principles manifest themselves in icosahedral viral capsids assembled from identical symmetric structural … Read More

The 16th Xmas Biophysics Workshop returns the series to its old tracks and will take place on December 12th and 13th at Elegans Hotel in Brdo, Slovenia. The workshop traditionally brings together researchers in biophysics from Croatia, Italy, Austria, Slovenia, … Read More

  Electrostatic interactions are crucial for the assembly, disassembly, and stability of proteinaceous viral capsids. Moreover, at the molecular scale, elucidating the organization and structure of the capsid proteins in response to an approaching nanoprobe is a major challenge in … Read More

On December 10, 2021, Prof. Nataša Vaupotič and Dr. Matej Kanduč from our department received Zois distinctions for their scientific research. The Zois distinction is a state award for important achievements in scientific research and development. Prof. Vaupotič was awarded … Read More

Clonal dominance is a phenomenon whereby the descendants of one of a few founder cells contribute disproportionally to the system. In contexts such as bacterial growth, this phenomenon is often attributed to pre-existing genetic or positional propensities for dominance. However, … Read More

Active cell-junction remodeling is important for tissue morphogenesis, yet its underlying physics is not understood. In their recent paper published in Physical Review Letters, Matej Krajnc and Clément Zankoc studied a mechanical model of cell-cell junctions that describes junctions as dynamic … Read More

The performance of gold nanoparticles (NPs) in applications depends critically on the structure of the NP-solvent interface, at which the electrostatic surface polarization is one of the key characteristics that affect hydration, ionic adsorption, and electrochemical reactions. Using classical molecular … Read More

The spike protein of SARS-CoV-2 (CoV2) is required for cell entry and is the primary target for vaccine and therapy development. Unveiling molecular-scale mechanisms relevant to the diffusion of viral particles and their encounter with the cell membrane receptor (ACE2) … Read More

A large number of infectious diseases are transmitted by respiratory droplets. How long these droplets persist in the air, how far they can travel, and how long the pathogens they might carry survive are all decisive factors for the spread … Read More

In the ACS Nano article “How the Shape and Chemistry of Molecular Penetrants Control Responsive Hydrogel Permeability” we uncover the molecular principles of permeability and selectivity in hydrogels. The permeability of small molecules (drugs, toxins, reactants, etc.) through hydrogels is … Read More

Pollen grains carry male plant genetic material, encapsulated in a hard protective shell containing flexible, soft regions—apertures. When pollen grains leave the protective environment of the anther, they are exposed to the often harsh external environment and start to lose … Read More

V reviji Nature je bila objavljena raziskava, pri kateri je sodeloval tudi Matej Krajnc. V članku z naslovom “Mechanics of a multilayer epithelium instruct tumour architecture and function” so Vincent F. Fiore z Univerze Rockefeller in sodelavci naslovili vlogo mehanike pri deformacijah … Read More

The study of organoids, artificially grown cell aggregates with the functionality and small-scale anatomy of real organs, is one of the most active areas of research in biology and biophysics, yet the basic physical origins of their different morphologies remain … Read More

What limits the ability of plants to take up water from dry soil? That is the question Matej Kanduč and his international research collaborators asked in an effort to solve the mystery of how plants suck water from the driest … Read More

The 9th Institute colloquium was given by Matej Kanduč from the Biophysics group: A large number of infectious diseases are transmitted via large droplets and by airborne routes. How far these droplets can move, how rapidly and strongly they deposit … Read More

Permeability is one of the most fundamental transport properties in soft matter physics, material engineering, and nanofluidics. Here, we report how the permeability can be massively tuned, even minimized or maximized, by tailoring the potential energy landscape for the diffusing … Read More

The most striking feature of conventional quasicrystals is their non-traditional symmetry characterized by icosahedral, dodecagonal, decagonal or octagonal axes. The symmetry and the aperiodicity of these materials stem from an irrational ratio of two or more length scales controlling their … Read More