People

Speakers

Denis Nabari

Title: EUV Transient Grating on amorphous SiO2 membrane

Abstract
A lot of effort is put in by the disordered systems community to discover the fundamental processes behind the internal friction of amorphous materials. This talk will present some cutting-edge measurements on SiO2 membranes made at TIMER beamline: the only Extreme Ultra-Violet (EUV) Transient Grating (TG) apparatus in the world, made possible in the FERMI FEL of Trieste. Both thermal diffusion and internal friction were measured at high exchanged momentum and frequency higher than 75GHz, as it cannot be done elsewhere.

Biography
I was born and raised in Belluno, but I moved to Trento for my university studies. I completed both my bachelor's and master's degrees in Trento, and now I am a PhD student in the SDSC group. I am working on the relaxation properties of materials used in coating gravitational wave mirrors.


Guglielmo Grillo

Title: Coarse Grained Simulations of Kinetoplast DNA

Abstract
The kinetoplast DNA (kDNA) of Crithidia fasciculata consists of a 2D chainmail-like network of about 5000 interlinked minicircles and a couple dozen interlaced maxicircles located along the network's periphery. This unique topology makes the kDNA an archetypical model for studying 2D soft materials. In this talk, I'll describe the protocol we developed to generate coarse-grained representations of this system and compare its results to recent experimental findings, highlighting the model's strengths and limitations.

Biography
Hi! I am a PhD student in the Statistical and Biological Physics Group with a strong passion for computational physics, computer science and complex systems. I am one of the founding members of Progetto Apollo and a tutor at the University of Trento since 2019. In my spare time, I enjoy DMing DnD campaigns.


Camilla Spreti

Title: Boosted Continuous Wang-Landau Algorithm: A Novel Approach for Soft Matter Sampling

Abstract
The Wang-Landau algorithm is a specialised Monte Carlo method, which reconstructs self-consistently the density of states of a system by uniformly exploring the energy spectrum. We present a continuous variant of the Wang-Landau algorithm, tailored specifically for soft matter systems, such as fluids and polymer chains. Our approach leverages a novel, biased generation of proposal moves to sample efficiently across continuous energy spectra, thereby opening new ways to investigate complex behaviors in soft matter.

Biography
I am Camilla, I am originally from Jesi. I obtained a Bachelor’s degree in Physical Engineering and a Master degree in Physics of Complex Systems, both at the Politecnico di Torino. Now I am a PhD student in the Statistical and Biological Physics group.


Francesca Martini

Title: Ultraflat excitonic dispersion in single layer g-C3N4

Abstract
Single-layer g-C3N4 is widely regarded as one of the most promising two-dimensional photocatalysts for hydrogen generation via water splitting. Despite extensive research, a detailed understanding of exciton dynamics in this material remains elusive. In this talk, I will discuss the structural, electronic, and optical properties of g-C3N4, emphasizing its peculiar excitonic dispersion, which suggests a highly unconventional mode of exciton propagation.

Biography
Hello, I'm Francesca. I earned both my bachelor's and master's degrees here in Trento. My master's thesis, supervised by Prof. Matteo Calandra, inspired me to pursue a PhD in his group. Currently, my research focuses on exploring the optical properties of two-dimensional materials using many-body perturbation theory.


Anna Giulia Carloni

Title: Thermal Neutron Energy Determination with Multilayer Detection

Abstract
The energy determination of thermal and cold neutrons could revolutionize the field of neutron scattering science and transform the instrument design for future facilities, in particular in the light of the He3 crisis. Thermal neutrons are detected by nuclear interactions, in which their energy information is lost. This project will use Artificial Intelligence (AI)/machine learning in conjunction with simulated and experimental data to determine the thermal neutron energy. A unique chance to take use of this option is provided by the innovative multi-layer 10B thin film detector technology, which uses the different neutron penetration depths to retrieve energy information. The goal is to create a machine learning model to overcome the difficulties that are implicit in the mathematical treatment. The aim of this model is validate and optimize the results of a basic model for neutron absorption derived from simulations using the Geant4 software and Ncrystal toolkit. The final result is an algorithm to calculate the energy of thermal neutrons in a realizable detector as a possible supplementary tool for neutron scattering beyond time-of-flight measurements.

Biography
I am Anna Giulia Carloni and I am a second-year PhD student in physics at the University of Trento. I am a nuclear engineer. I achieved my master degree in nuclear engineering from Politecnico di Milano in 2020. Soon after, I worked for two years for an company in the automotive industry. After this experience, I won a fellowship for a research grant at an accelerator and applied superconductivity laboratory. Here, I worked mainly on electromagnetic and mechanical design of superconducting magnetic dipoles, with application in the medical field. After this year I finally came to Trento to start this doctoral program. 


Davide Pedrotti

Title:  Exploring open questions in cosmology: tensions and new physics beyond the standard model

Abstract
The standard model of particle physics and the general theory of relativity have proven to be extremely successful at describing observations across a very wide range of scales.  However, their successes are limited by a number of shortcomings, potentially pointing towards the need for new physics. In this talk I will cover some of the problems and open questions left unanswered by these two theories, such as the cosmological tensions, the nature of the dark sector and the singularity problem, discussing the interplay between model building and observations.

Biography
I am a second year PhD student in the ‘Theoretical Gravitation and Cosmology’ group at the University of Trento. I’ve earned my Bachelor’s degree at the University of Trento and the Master’s degree through the Trento-Tübingen double degree program. My research touches many interconnected fields in the context of cosmology, ranging from primordial black holes as the dark matter, to dark energy and cosmological tensions. 


Alessandro Chesini

Title: Investigating some limiting factors in materials used in photoelectrochemical cells: the case of iron oxide

Abstract
The photoelectrochemical (PEC) hydrogen production and simultaneous wastewater remediation is an important way to address the significant challenges related to the production of green hydrogen, to power fuel cells, and to the purification of the environment. The usage of cheap and available materials, like hematite (iron oxide), is also of importance toward sustainability and industrial scaling. But these systems still suffer from low efficiency because of some limiting factors like bad charge-transfer kinetics or fast photo-excited charge recombination. This presentation explores these limiting factors along with a focus on possible surfactant degradation at the hematite photoanode.

Biography
I am Alessandro Chesini, a Physics PhD student in the IdEA group. I have obtained both my bachelor’s and the master’s degree here in the University of Trento. For my Master Thesis, I worked on materials for photoelectrochemical green hydrogen production and wastewater remediation. Now, I am investigating more deeply these processes, to further improve efficiency and scalability.


Roberto Miani

Title: Optimizing the Chemical Recycling of Plastic

Abstract
With the pressing global need to reduce plastic waste and advance sustainable materials management, understanding the nature of plastics and effective recycling methods has never been more crucial. This presentation aims to provide a comprehensive overview of plastics, specifically highlighting the critical distinction between polymers and plastics. Understanding this difference is essential, as it underpins the preference for chemical recycling over mechanical recycling in effectively addressing the challenges posed by plastic waste. I will explore the principal methodologies for plastic recycling, with a particular focus on chemical recycling, which offers a sustainable solution by converting plastics back into their fundamental monomers. This process enables the production of new materials while reducing dependence on fossil resources. Additionally, I will detail my research on the chemical recycling of PET, emphasizing the optimization of the recycling process through Design of Experiments (DOE) methodologies. This systematic approach seeks to enhance process efficiency and product yield, thereby contributing to advancements in sustainable materials management and the development of a circular economy.

Biography
Roberto Miani completed both a Bachelor’s and a Master’s degree in Chemistry at the University of Bologna. For his Master’s thesis, he conducted research on active molecules for neuroblastoma treatment. He then held a one-year research fellowship at the University of Trento, focused on synthesizing a molecule for glioblastoma treatment. Currently, he is pursuing a Ph.D. in Physics, focusing on chemical recycling and bioplastics in collaboration with Aquafil.


Hasebul Hassan

Title: Methane Pyrolysis

Abstract
This presentation focuses on methane pyrolysis as a sustainable method for hydrogen production, offering a low-emission alternative to traditional processes like Steam Methane Reforming (SMR). It explores various techniques for methane decomposition, including thermal, catalytic, and plasma pyrolysis, highlighting their efficiency and potential in reducing greenhouse gas emissions. Plasma pyrolysis, in particular, operates at extremely high temperatures and efficiently converts methane into hydrogen and solid carbon. The study emphasizes the role of innovative techniques, such as microwave-assisted pyrolysis, in enhancing energy efficiency. The findings point toward methane pyrolysis as a key technology for future hydrogen production with minimal environmental impact.

Biography
I completed my Master’s in Physics from Riphah International University, where I focused on experimental research related to energy storage devices. Currently, I am pursuing my Ph.D. at the University of Trento, working in the hydrogen production team under the supervision of Prof. Luca Matteo Martini.


Giulio Volpato

Title: Wannier interpolation of reciprocal-space periodic and non-periodic matrix elements in the optimally smooth subspace

Abstract
Maximally localized Wannier functions use the gauge freedom of Bloch wavefunctions to define the optimally smooth subspace. The associated Wannier functions are real-space localized, a feature often used to Fourier interpolate periodic observables in reciprocal space on ultradense momentum grids. However, Fourier interpolation cannot handle non-periodic quantities in reciprocal space, some of which are crucial for the evaluation of optical properties. We show that a direct multidimensional interpolation in the optimally smooth subspace yields comparable accuracy with respect to Fourier interpolation at a similar or lower computational cost, allowing also for the interpolation of non-periodic observables. Finally, we underline that direct interpolation in the optimally smooth subspace can be employed for periodic and non-periodic tensors of any order without any information on the position of the Wannier centers in real space.

Biography
I obtained both my bachelor’s and master’s degrees at the University of Trento. Currently I am a PhD student in the Materials Theory Group where I developed a new interpolation scheme within the Maximally Localized Wannier Functions framework which I will use to evaluate materials properties starting from first principles calculations. 


Riley Craig Ferguson

Title: The Development of a Moire Deflectometer for Gravitational Measurements on Antihydrogen

Abstract
This talk will go through the design and development of a moire deflectometer to be used in the AEgIS collaboration experiment at CERN. The goal of this apparatus is to make observations of the gravitational constant using antimatter, specifically antihydrogen. This talk will elaborate on the basic principles that the moire implements as well as the technical details involved with the implementation and installation of the moire deflectometer into the pre-existing AEgIS system.

Biography
My name is Riley Ferguson and I am 26 years old from the USA. I studied my bachelors degree in physics at North Carolina State University and studied my masters degree at Bowling Green State University with partnership of Los Alamos National Laboratory. I now am in my 2nd year of my PhD at University of Trento and am performing my thesis research at CERN. 


Rachele Favaretto

Title: Integrated photonic circuit in for high sensitivity biosensing

Abstract
Over the last decade, label-free sensing techniques have rapidly advanced, enabling real-time detection of biomolecular markers down to the single-molecule level. These developments provide powerful tools for environmental monitoring, clinical diagnosis, and point-of-care systems requiring fast, reliable sensing. I will present my work for a Silicon Nitride integrated optical circuit designed to detect biomarkers at picomolar concentrations with high sensitivity and reproducibility.

Biography
I completed my Bachelor’s and Master’s degrees in Physics at the University of Padova, then moved to Trento to work at FTH s.r.l., a biotech company developing molecular biosensors. Currently, I am a PhD student in Physics at the University of Trento in collaboration with the I&QO group at FBK, focusing on integrated photonic circuits for high-sensitivity biosensing.


Alessandro Salmoiraghi

Title: Sustainability Education: from expert opinions to the design and implementation of a teaching-learning sequence

Abstract
Sustainability education in secondary schools presents a challenge due to its complexity and transdisciplinary nature. To identify key concepts for effective educational interventions, contributions from various disciplines and specific objectives, we conducted a study by interviewing university professors as experts. Based on the results, an educational intervention focusing on the greenhouse effect and climate change was developed, extending to issues related to energy production and consumption, individual and collective choices, and involving students as future citizens. Preliminary results from a trial conducted in some classes will be presented, highlighting the effectiveness of the interdisciplinary approach in raising students' awareness of global environmental challenges and promoting active participation.

Biography
I hold a master's degree in mathematics from the University of Trento. Currently, I teach mathematics and physics at the high school level. I'm also pursuing a PhD in physics education, focusing on sustainability education. My research aims to develop innovative educational interventions to raise students' awareness of global environmental and sustainability challenges.


Ahmad Chehaimi

Title: The laser system of PsICO, and a silicon target for a Bose-Einstein condensate of positronium

Abstract
Positronium is the bound state of an electron and its antiparticle, the positron, making it the antiparticle of itself and an extremely interesting physical creature. Positronium annihilation in three entangled gamma rays, fall of positronium in the gravitational field of earth, and positronium Bose-Einstein condensation are just some of the many experiments programmed or foreseen at the new beamline (PsICO) at the Antimatter Laboratory. I will be presenting the setup of PsICO with a focus on the laser system for positronium manipulation, and the main concepts for the production of a silicon target for positron to positronium conversion and confinement

Biography
(2016) Bachelor at UNITN with thesis on Nonlinearities in Microring resonators. (2020) Master at UNITN in Nanophotonics. Thesis with Laser Group of the Norwegian University of Science and Technology, CERN and UNITN with title: A new target for positronium Bose-Einstein condensation, and performance improvements of tracking sensor MALTA2. (2023) PhD at UNITN where I keep working on the development of the Ps-BEC target. Currently, setting up the laser system of PsICO at the Antimatter Laboratory of Trento. The main goal now is to obtain the first measurements of the entangled 3-Gamma annihilation of ortho-positronium in 2025. 


Pietro Nicolo Brangi

Title: Tunable Half-Metallicity and Ferromagnetism in Gated single layer g-C3N4 via Nitrogen Lone Pair Depletion. 

Abstract
Graphitic carbon nitride (g-C3N4) is a promising catalyst for water splitting and hydrogen production, with nitrogen lone pairs arising from broken carbon-nitrogen bonds. These strongly localized states form ultraflat bands potentially leading to correlated states when doped. In my PhD project I employ first principles methods to study the rich phase diagram unveiled by g-C3N4 when doped in a Field Effect Transistor configuration, with the stabilization of strong 2D magnetism and other correlated phases.

Biography
I obtained both my bachelor and my master’s degree in Physics Engineering at Politecnico di Milano, before switching to pure physics and starting my PhD here in the Materials Theory group of Professor Calandra. In my research activity I focus on 2D materials for hydrogen production with the use of theoretical and computational methods.


Francesco Venturelli

Title: LISA instrument and noise overview

Abstract
Laser Interferometer Space Antenna(LISA) is an ESA/NASA adopted mission planned for lunch in 2035 to detect gravitational waves in the mHz band. The LISA-UTN group is responsible for one of the core components of the payload: the Gravitational Reference System which encloses the free-falling test masses. In the laboratory we test its subsytems and characterize the noise that will be competing with the LISA science signal. As an example, I will discuss the facility I developed in the last year to test the Charge Management System, needed to counter the so-called "stray electrostatic fields noise".

Biography
After my Bachelors and Master degrees, both in Trento, I joined the LISA group attracted by the low-noise measurement techniques and by the possibility of contributing to a space mission. At the moment I work on photo-emission form gold coated surfaces but soon, I will move to the torsion pendulum. Outside of academics, I compete in judo kata.


Diego Andreoni

Title: Creation of Arbitrary Optical Potentials for Ultracold Atom Experiments Using a Digital Micromirror Device

Abstract
In our laboratory, we use laser cooling techniques to cool and trap sodium atoms to the point of quantum degeneracy. The trapping potential is determined by the shape of the laser beam, which typically creates a harmonic potential. In my presentation, I will describe the development of a technique to shape light in order to create arbitrary potentials for ultracold atom experiments. This approach employs a Digital Micromirror Device, enabling experiments beyond harmonic confinement and in reduced geometries, such as quasi-2D configurations.

Biography
Hi everyone! My name is Diego, and I’m from Brescia. During my Master’s studies at the University of Trento, I focused on Quantum Gases. Now, I am a PhD student with the experimental group at the Pitaevskii Center for Bose-Einstein Condensation, where I primarily study the properties of ultracold atomic mixtures.


Alessandro Foradori

Title: A Self-Adapting On-Chip Photonic Neural Network

Abstract
We study a silicon photonics-based hardware neural network, built from arrays of coupled microring resonators with patches of phase-change material. Designed for energy efficiency and biologically inspired machine learning, our neuromorphic hardware provides a powerful solution for edge computing through reservoir computing. As a proof of concept, our network achieves strong performance in classifying handwritten digits.

Biography
Alessandro Foradori is a Ph.D. student in a joint program between Ghent University, Belgium, and the University of Trento, Italy. His research, conducted both at the Nanoscience Laboratory, where he is currently based, and at the Photonics Research Group, focuses on self-adapting integrated photonic neural networks.


Poster session

Second-year students (39th cycle) enrolled in the Q@TN transdisciplinary program and third-year students (38th cycle) will present their work during the Poster Session in the late afternoon.

Andrea Corradini: A machine learning approach to light-induced order-disorder phase transitions: large-scale long-time simulations with ab initio accuracy. (Prof. Calandra) 

Tomasz Zawiślak: Anomalous Doppler effect in superfluid and supersolid atomic gases. (Prof. Recati) 

Giovanni Novi Inverardi: Atom Probe Tomography as tool to determine the structures of proteins: a computational and experimental study. (Prof. Lattanzi

Chiara Cecchini: Scale-invariant inflation (Prof. Rinaldi) 

Alan Oesterle: Verification of the radical pair theory of magnetoreception in honey bees (Prof. Haase)

Emiliano Staffoli: Photonic Neural Networks for error correction in fiber optics communication (Prof. Pavesi)

Stefano Mocatti: Semiconductor Bloch Equations and Ehrenfest Dynamics in a Wannier Function Framework: An Integrated Approach to Ultrafast Electron and Ion Dynamics (Prof. Calandra Buonaura)

David Pascual Solis: Progress towards simulating SYK Model and its variants in cQED platforms (Prof. Hauke and Prof. Carusotto)  

Luca Spagnoli: Fault-tolerant simulation of Lattice Gauge Theories with gauge covariant codes (Prof. Roggero and Prof. Garberoglio)

Matteo Michielan: Unveiling the Si^+ chemistry in the Interstellar Medium: an ionic reaction pathway to SiS (Prof.ssa Ascenzi)

Camilla Fiorello: Promoting sustainability and scientific citizenship through STEM teacher training and analysis of students' mental models (Prof. Oss and Prof. Onorato)

Simone Ziglio: Structural evolution and phase transition in GeO2: glass transition, crystallization and melting (Prof. Zanatta)

Andrea Pegoretti: Optimization of a 3-axis neutron spectrometer for Brillouin neutron scattering experiments (Prof. Zanatta and Dr. Piovano)

Greta Brianti: Advanced Decorrelating Techniques in DNN-Based Classification for VBF Higgs boson Analysis (Prof. Iuppa and Dr. Cristoforetti)

Edoardo Ballini and Alberto Bottarelli: Measurement induced gauge protection and time evolution in non-Abelian Lattice Gauge Theories with matter (Prof. Hauke)

Anna Giulia Carloni: Thermal Neutron Energy Determination with Multilayer Detection (Prof. Hall-Wilton and Prof. Zanatta)

Alessia Guadagnin Pattaro: Bringing together coarse-graining and transition path theory: exploration of conformational transitions of chignolin using mapping entropy (Prof. Potestio and Dr. Menichetti)

Pietro Oreglia: Magneto-levitating System: Theory of Feedback Cooling and Intrinsic Dissipation (Prof. Rastelli)

Iyadh Chaker: A random compiler for tensor network simulations (Prof.Roggero and Dr. Binosi)

Chiara Rogora: Physics of ultracold spin mixtures in low and stable magnetic field environment (Prof. Ferrari)

Fabio Brugnara: Multiple Scattering Contributions in Inelastic Neutron Scattering: the case of disordered materials (Prof. Zanatta)

Sebastian Nagies: Boosting quantum annealing performance through direct polynomial unconstrained binary optimization (Prof. Hauke)

Lorenzo Castelli: A multiscale approach to flash effect modeling (Prof. Scifoni and Prof. Tozzini)

Giulio Bordieri: Broad Ion Type and LET Validation of the Generalized Stochastic Microdosimetric Model with Applications in Geant4-DNA and Minibeam Therapy (Prof. Lattanzi and Prof. Cordoni)

Andrea Di Donna: Neural Quantum States advancements for Hypernuclear physics (Prof. Pederiva)

Matteo Furci: Investigating the Effects of Photoinduced Anharmonicities in Ultrafast Structural Transitions (Prof. Calandra and Prof. Giorgini)

Margherita Mele: Density of states in neural networks: an in-depth exploration of learning in parameter space (Prof. Potestio)

Ahmad Chehaimi: PsICO - Positronium Inertial and Correlation Observations (Prof. Mariazzi and Prof. Brusa)


Flash talks 

First-year students (40th cycle) will present themselves with a very short and general-purpose presentation (1/2 slides about their study career and future PhD projects). They are also free to present their master thesis work/other ongoing projects with a poster during the poster session.

Ziglio Simone, Windey Alex, Cescato Matteo, Guarda Giacomo, Damian Niccolò, Puccetti Niccolò,  Ghezzer Luigi Ernesto, Guadagnin Pattaro Alessia, Tabarelli De Fatis Alberto, Pegoretti Andrea, Kwon Yong, Riva Riccardo, Marcia Alan, Ganguly Sreeparna, Schmidt Otto, Gretter Stefano, Lubreto Salvatore, Rani Saba, Luterotti Silvia, Giovanzana Caterina