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Faculty of Physics

Welcome to the website of the Faculty of Physics at the University of Warsaw

The Faculty of Physics is a large research and teaching center. It consists of The Institutes of Theoretical Physics, Experimental Physics, Geophysics, The Astronomical Observatory and The Department of Mathematical Methods in Physics.

The Faculty is regarded as one of the best in the country, recognized internationally for the high quality of research and education.

News

Quantum radio antenna

A team from the Faculty of Physics and the Centre for Quantum Optical Technologies at the University of Warsaw has developed a new type of all-optical radio receiver based on the fundamental properties of Rydberg atoms. The new type of receiver is not only extremely sensitive, but also provides internal calibration, and the antenna itself is powered only by laser light. The results of the work, in which Sebastian Borówka, Mateusz Mazelanik, Wojciech Wasilewski and Michał Parniak participated, were published in the prestigious journal Nature Communications. They open a new chapter in the technological implementation of quantum sensors.| More

A scientist from the University of Warsaw’s Faculty of Physics will head a new MAB Centre of Excellence

One of the four selected projects is the Centre of Excellence for Structured Optical Fibres and Applications (SOWA), which will be established at the Faculty of Physics of the University of Warsaw. The new unit will be headed by Professor Ryszard Buczyński, Deputy Director of the Institute of Geophysics at the Faculty of Physics, University of Warsaw. Under the MAB FENG programme, support is provided for the creation or development of specialized, world-leading research teams capable of achieving scientific excellence and international competitiveness. The total amount of funding awarded in this call reached nearly PLN 120 million. Out of 23 submitted proposals, four projects were selected for funding – three to be implemented in Warsaw and one in Poznań.| More

Delegation from Baden-Württemberg visited our Faculty

On 7 October 2025, the Faculty of Physics, University of Warsaw, hosted a delegation from Baden-Württemberg led by Petra Olschowski, Minister of Science, Research and the Arts of the federalstate. The delegation included members of the Baden-Württemberg Parliament as well asrepresentatives of leading universities and research institutions from the region. The visit providedan excellent opportunity to exchange experiences, present the scientific achievements andresearch infrastructure of the Faculty of Physics, and strengthen cooperation with universities andresearch institutions in Baden-Württemberg.| More

Amplifying collective light emission with atomic interactions

A team of physicists from the Faculty of Physics at the University of Warsaw, the Centre for New Technologies at the University of Warsaw (Poland), and Emory University (Atlanta, USA) analysed how atoms’ mutual interactions change the way they collectively interact with light. In a paper just published in Physical Review Letters, the researchers extend established models of this phenomenon. By showing that direct atom-atom interactions can strengthen a collective burst of light known as superradiance, the team points to new opportunities for quantum technologies.| More

Nobel Prize in Physics 2025 for the discovery of macroscopic quantum tunneling and energy quantization in an electric circuit

This year’s Nobel Prize in Physics has been awarded to:
John Clarke of the University of California, Berkeley, USA;
Michel H. Devoret of Yale University, New Haven, CT, USA;
and John M. Martinis of the University of California, Santa Barbara, CA, USA.The 2025 Nobel Prize in Physics was awarded “for the discovery of macroscopic quantum tunneling and the quantization of energy in an electrical circuit.”.| More

Next-Generation Quantum Communication

In the era of instant data exchange and growing risks of cyberattacks, scientists are seeking secure methods of transmitting information. One promising solution is quantum cryptography – a quantum technology that uses single photons to establish encryption keys. A team from the Faculty of Physics at the University of Warsaw has developed and tested in urban infrastructure a novel system for quantum key distribution (QKD). The system employs so-called high-dimensional encoding. The proposed setup is simpler to build and scale than existing solutions, while being based on a phenomenon known to physicists for nearly two centuries – the Talbot effect. The research results have been published in prestigious journals: “Optica Quantum”, “Optica”, and “Physical Review Applied”. | More

Gravitino, a new candidate for Dark Matter

Dark Matter remains one of the biggest mysteries in fundamental physics. Many theoretical proposals (axions, WIMPs) and 40 years of extensive experimental search failed to provide any explanation of the nature of Dark Matter. Several years ago, in a theory unifying particle physics and gravity, new, radically different Dark Matter candidates were proposed, superheavy charged gravitinos. Very recent paper in Physical Review Research by scientists from the University of Warsaw and Max Planck Institute for Gravitational Physics, shows how new underground detectors, in particular JUNO detector starting soon to take data, even though designed for neutrino physics, are also extremely well suited to eventually detect charged Dark Matter gravitinos. The simulations combining two fields, elementary particle physics and very advanced quantum chemistry, show that the gravitino signal in the detector should be unique and unambiguous. | More

Making the invisible visible: a new way to boost light emission at the nanoscale

Light still holds surprises – as demonstrated by researchers from the Ultrafast Phenomena Lab at the Faculty of Physics, University of Warsaw, in collaboration with the Institute of Low Temperature and Structure Research, Polish Academy of Sciences, who have discovered a new enhancement effect in the emission of upconverting nanoparticles. They demonstrated that simultaneous excitation of these nanostructures with two near-infrared beams of laser light leads to a significant increase in emission intensity. Under carefully chosen conditions, visible emission emerges only when both beams are applied together, even though neither beam alone produces any emission at all. This discovery paves the way for visualizing infrared radiation beyond the sensitivity range of standard detectors. The findings, potentially applicable in microscopy and photonic technologies, have been published in the prestigious journal “ACS Nano”. | More

Polish physicists co-discover “lonely” spinons - a new step towards quantum technologies

Researchers from the Faculty of Physics at the University of Warsaw and the University of British Columbia have described how a so-called lone spinon - an exotic quantum excitation that is a single unpaired spin - can arise in magnetic models. The discovery deepens our understanding of the nature of magnetism and could have implications for the development of future technologies such as quantum computers and new magnetic materials. The findings were published in the renowned journal “Physical Review Letters.”. | More

New photonic platform developed by Polish research team

A team of researchers from the Faculty of Physics at the University of Warsaw, the Military University of Technology, and the Institut Pascal at Université Clermont Auvergne has developed a novel method for using cholesteric liquid crystals in optical microcavities. The platform created by the researchers enables the formation and dynamic tuning of photonic crystals with integrated spin-orbit coupling (SOC) and controlled laser emission. The results of this groundbreaking research have been published in the renowned journal “Laser & Photonics Reviews”. | More

A drop hollows out the stone... and records the climate's history

Water reshapes the Earth through slow, powerful erosion, carving intricate landscapes like caves and pinnacles in soluble rocks such as limestone. An international team from the Faculty of Physics at the University of Warsaw, the University of Florida, and the Institute of Earth Sciences in Orléans has discovered that vertical channels, known as karstic solution pipes, preserve a record of Earth’s climatic history. Their study, published in Physical Review Letters, reveals that these pipes evolve with time into an invariant shape, a fixed, ideal form that remains unchanged as the pipes deepen, encoding ancient rainfall patterns. | More

Quantum control of collisions beyond ultralow temperatures

At ultracold temperatures, interatomic collisions are relatively simple, and their outcome can be controlled using a magnetic field. However, research by scientists led by Prof. Michal Tomza from the Faculty of Physics of the University of Warsaw and prof. Roee Ozeri from the Weizmann Institute of Science shows that this is also possible at higher temperatures. The scientists published their observations in the scientific journal “Science Advances”. | More

From classical hydrodynamics to quantum hydrodynamics and back again – how the Navier-Stokes equations describe quantum systems

Although the Navier-Stokes equations are the foundation of modern hydrodynamics, adopting them to quantum systems has so far been a major challenge. Researchers from the Faculty of Physics at the University of Warsaw, Maciej Łebek, M.Sc. and Miłosz Panfil, Ph.D., Prof. UW, have shown that these equations can be generalised to quantum systems, specifically quantum liquids in which the motion of particles is restricted to one dimension. This discovery opens up new avenues for research into transport in one-dimensional quantum systems. The paper, published in the prestigious Physical Review Letters, was awarded an ‘editors’ suggestion'. | More

A new class of cosmic X-ray sources discovered

An international team of astronomers, led by researchers from the Astronomical Observatory of the University of Warsaw, have identified a new class of cosmic X-ray sources. The findings have been published in „Astrophysical Journal Letters”. | More

Upcoming events

Calendar icon 2025-10-17 (10:15) :: Solid State Physics Seminar
"Relativistic spin-momentum locking in altermagnets"

Calendar icon 2025-10-17 (11:15) :: Theory of Relativity and Gravity Seminar
Gravitational collapse in effective loop quantum gravity

Calendar icon 2025-10-17 (11:30) :: High Energy Physics Seminar
Status and plans of NA61/SHINE

Calendar icon 2025-10-17 (12:15) :: Condensed Matter Physics Seminar
The Spin-Wave Approximation in the Quantum Heisenberg Model

Calendar icon 2025-10-17 (13:15) :: Atmospheric Physics Seminar
Integrating GIS and machine learning for urban air quality assessment

Calendar icon 2025-10-17 (14:15) :: Biophysics Seminar
Phosphorylation impacts Cu(II) binding by human peptides

Calendar icon 2025-10-17 (14:15) :: Exact Results in Quantum Theory
Lattice Stabilizer States

Calendar icon 2025-10-22 (13:15) :: Vision science seminar
Optyczne metody hamowania postępu krótkowzroczności

Research Highlights

Memristive Behavior in Carrier Accumulation-Based Optical Modulators
Korneluk A., Brańko K., Stefaniuk T.
Nano Letters, 2025, vol. 25(40), pp. 14600 - 14607
DOI:10.1021/acs.nanolett.5c03443

Role of Matter Interactions in Superradiant Phenomena
João Pedro Mendonça, Krzysztof Jachymski, and Yao Wang
Phys. Rev. Lett. 135, 133601 (2025)
DOI:10.1103/z8gv-7yyk

Universal Bounds for Quantum Metrology in the Presence of Correlated Noise
Stanisław Kurdziałek, Francesco Albarelli and Rafał Demkowicz-Dobrzański
Phys. Rev. Lett. 135, 130801
DOI:10.1103/jy3v-wkcb

Orthorhombic TaAs: A New Topological Phase of the Archetypical Weyl Semimetal
Z. Ogorzałek, C.-C. Lee, J. Z. Domagala, W. Zajkowska-Pietrzak, S. Kret, R. Bożek, W. Pacuski, I. Lutsyk, W. Ryś, P. J. Kowalczyk, M. Tokarczyk, M. Polakowski, D. Wasik, J. Sadowski, B.-H. Huang, H. Lin, M. Gryglas-Borysiewicz
ACS Applied Materials & Interfaces 2025
DOI/10.1021/acsami.5c04474

Strong Emission Enhancement via Dual-Wavelength Coexcitation in YbTm-Doped Upconverting Nanoparticles for Near-Infrared and Subdiffraction Imaging
P. Rajchel-Mieldzioć, A. Bednarkiewicz, K. Prorok, P. Fita
ACS Nano 2025, 19, 29, 26932–26941
DOI/10.1021/acsnano.5c08510

Upcoming Conferences & Events

Sympozjum Instytutu Fizyki Doświadczalnej

Wydział Fizyki UW, Warszawa, 5-6 grudnia 2025 r.

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