Intézeti hírek

A recent publication in the Nature journal Photonics (Nat. Photon. 19, 1013-1019 (2025)) describes the implementation of an enhanced optical parametric chirped pulse amplifier system led by Prof. Dr. László Veisz at Umeå University in Sweden, which produced laser pulses with a completely regular waveform, a duration of 4.3 fs, and a power of 100 TW in the visible to near-infrared range of spectrum.

Deciding whether a mixed state of a quantum system is entangled or not is a notoriously difficult problem. In the paper published in Quantum, our colleagues Szilárd Szalay and Géza Tóth presented new one-parameter multipartite entanglement properties, and the corresponding metrological criteria qualifying these.

Crystallographic defects play a crucial role in the properties of materials, with some being harmful while others are useful for specific applications, such as controlling electrical properties or creating artificial atoms for quantum technologies. Identifying these defects is essential but challenging. In collaboration of scientists from University of Montpelliers, Kansas State University and Polish Academy of Sciences in collaboration with Dr. Anton Pershin and Prof.

A paper on the geological application of muon tomography based on high-resolution muographic measurements has been published in Scientific Reports. The authors are László Balázs, Gergely Surányi, Gergő Hamar, and Dezső Varga from the High-Energy Geophysics Research Group.

A publication about the‘Toward joint muography and ground deformation monitoring for volcanic unrest assessment' has been published in the Journal of Applied Physics, with László Oláh as the first author.

If we live in one of an infinite number of clone universes, then spacetime ceases to be quantized and follows the semi-classical theory of cosmology, Lajos Diósi deduces in Physical Review D, titled "Semiclassical world is one of infinite many cloneworlds in common spacetime". 

A stochastic modification of the semi-classical theory of gravity of today's cosmology can resolve its contradictions with quantum theory, as Lajos Diósi wrote in the journal General Relativity and Gravitation, titled "A healthier stochastic semiclassical gravity: world without Schrödinger cats".

Dániel Vörös succesfully defended his PhD Thesis.

Title:  Quantum Spin Liquids in SU(N ) Heisenberg Models: Variational Monte Carlo Study of Dynamical Correlations

Supervisor: Carlo Penc

Congratulation!

László Ferenc Kiss succesfully defended his doctoral thesis of the Hungarian Academy of Sciences.

Title: Mágneses jelenségek nemegyensúlyi fémes rendszerekben

Congratulation!

Ákos  Madár succesfully defended his PhD Thesis

Title: Napszélstruktúrák vizsgálata a helioszférában űrszondás mérések alapján

Supervisor: Zoltán Németh 

Congratulation!