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Constança Providência (University of Coimbra)26/01/2026, 10:00Talks
The composition of the core of neutron stars is still under debate. Agnostic descriptions of the equation of state are a powerful tool to determine the allowed region in the pressure-energy density or mass-radius space defined by observations and theoretical ab-initio calculations. These methods, however, cannot really give information on the neutron star composition. Understanding the...
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Hristijan Kochankovski (Departament de Fisica Quantica i Astrofisica and Institut de Ciencies del Cosmos, Universitat de Barcelona, Marti i Franques 1, 08028, Barcelona, Spain)26/01/2026, 10:45Talks
We study the influence of hyperons on neutron star mergers. Using a large sample of hyperonic equations of state, we make a systematic analysis of the effects triggered by the appearance of hyperons. A characteristic increase of the dominant post-merger gravitational wave frequency by a few per cent is directly linked to the appearance of thermal hyperons in matter. We also find that during...
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Giuliano Giacalone (CERN)26/01/2026, 11:50Talks
A wealth of experimental results from the BNL Relativistic Heavy Ion Collider and the CERN Large Hadron Collider indicates that the final states of high-energy nuclear collisions encode detailed information about the spatial distributions and correlations of nucleons in the ground states of the colliding nuclei. The prospect of imaging these quantum many-body states arises naturally from the...
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Ángel Reina Ramírez (Universitat de Barcelona)26/01/2026, 12:35Talks
Relativistic Heavy-Ion collisions (RHICs) not only bring us the opportunity to study strongly interacting mat-
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ter under extreme temperatures and densities, but also these can be a powerful tool to probe subtle nuclear
structure differences, like neutron skin or nuclear deformations.
In this talk, firstly I’ll focus on hybrid model simulation of RHICs, where different phases or stages of... -
Dorian Frycz (University of Barcelona)26/01/2026, 15:00Talks
The complex nature of the nucleon-nucleon interaction allows for spherical, oblate and prolate deformations to appear at similar energies within the same nucleus. This phenomenon, known as shape coexistence, is widespread across the nuclear chart, and it provides a crucial role in understanding nuclear structure [1].
In our study we perform shell-model calculations [2] to infer shape...
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Juan Torres-Rincon (ICCUB)26/01/2026, 15:35Talks
I will introduce the stages of relativistic heavy-ion collisions, with particular emphasis on the initial state and the characterization of the final hadronic outcome.
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For the initial state, I will connect to the HADNUCMAT project, which studies nuclear deformation and its relevance in heavy-ion physics.
Concerning the final state, I will emphasize the application of femtoscopy correlation... -
Marc Piquer i Méndez (Universitat de Barcelona)26/01/2026, 15:55Talks
Following up on the topic presented by Dr. Juan Torres-Rincon, we will discuss the pΩ femtoscopy correlation functions, obtained through an updated version of the pΩ potential for low-energy interactions based on an effective field theory approach. This potential has been used to solve the Schrödinger equation and obtain the scattering wave functions. With these, we have computed the pΩ...
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Caroline Robin (Bielefeld University)27/01/2026, 10:00Talks
Understanding how many-body phenomena are rooted in quantum information is key to building quantum simulation algorithms that faithfully capture their complexity while optimally distributing computation across classical and quantum resources.
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I will explore aspects of multipartite entanglement and non-stabilizerness in nuclear systems in relation with emergent collective phenomena, and will... -
Emanuele Costa (University of Barcelona)27/01/2026, 10:45Talks
Quantum computing is emerging as a promising tool in nuclear physics. However, the cost of encoding fermionic operators hampers the application of algorithms in current noisy quantum devices. In this talk, we discuss an encoding scheme based on pairing nucleon modes. This approach significantly reduces the complexity of the encoding, while maintaining a high accuracy for the ground states of...
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Arnau Morón Rodríguez27/01/2026, 11:05Talks
Building upon the Quasiparticle mapping framework for nuclear many-body systems introduced by E. Costa, this talk addresses the algorithmic complexity and experimental validation of these protocols on quantum hardware.
We first present a complexity analysis comparing the QP hard-core boson encoding against standard fermionic mappings (Jordan-Wigner). We demonstrate that the QP framework...
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Gianluca Colò (University of Milano and INFN)27/01/2026, 11:50Talks
In this contribution, I will attempt to review some recent progress in DFT and discuss open perspectives, albeit with a personal bias. A confrontation with ab initio methods will be carried out. Most of the physics cases will be examples from the structure of finite nuclei but the link with nuclear matter and astrophysical applications will be highlighted as well.
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MENGYING QIU (Sun Yat-sen University)27/01/2026, 12:35Talks
Nuclear energy density functional theory provides a powerful and widely used framework for describing nuclear structure across the nuclear chart. Despite its overall success, recent high-precision experimental data and astrophysical observations have challenged existing nuclear energy density functionals, particularly in the isovector sector. For example, both relativistic and non-relativistic...
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Kerman Gallego Lizarribar (University of Barcelona)27/01/2026, 12:55Talks
Estimating low-energy spectra is a central problem in many-body physics. For nuclei, this is typically addressed with the nuclear shell model (NSM), but calculations of excited states are limited by the exponential growth of the basis with particle number. While quantum computers are expected to overcome this challenge, most proposed methods for the NSM focus only on ground-state energies...
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Beatriz Romeo (University of North Carolina at Chapel Hill)27/01/2026, 15:00
Searches for violation of fundamental symmetries are among the most sensitive probes of physics of and beyond the Standard Model. Currently, precision measurements of parity P and time reversal T invariance through electric dipole moments (EDMs) in atoms and molecules are a powerful tool to probe physics at high energies, for some parameters even beyond the energy tested at high-energy...
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Daniel Castillo Garcia (University of Barcelona/ICCUB)27/01/2026, 15:20Talks
The exploration of physics Beyond the Standard Model within nuclear physics is closely tied to the investigation of rare electroweak transitions. The most promising process correspond to the neutrinoless double-beta decay ($0\nu\beta\beta$) which is a transition in nuclei where two neutrons simultaneously transform into two protons, accompanied by the emission of only two electrons [1]. This...
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Javi Rozalén Sarmiento (Universitat de Barcelona)27/01/2026, 15:35Talks
The quantum many-body problem lies at the heart of a wide spectrum of physical phenomena, ranging from interacting quarks to molecular dynamics, yet it poses a great computational challenge that remains unsolved. Traditional approaches often face a trade-off between accuracy and tractability, due to an underlying issue commonly known as the “curse of dimensionality”. In this context, the...
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Joan Ainaud Fondevila (Universitat de Barcelona)27/01/2026, 15:55
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Jordy de Vries (University of Amsterdam)28/01/2026, 10:00Talks
The search for beyond-the-Standard Model physics is typically associated to large collider experiments. On the other hand, low-energy precision experiments provide a complementary path to answer major open questions in particle physics and cosmology. The success of this program depends on the interplay of high-precision experiments and high-precision theoretical calculations. This is often...
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Sergi Gonzalez-Solis (Universitat de Barcelona & ICCUB)28/01/2026, 10:45Talks
I will talk about signals of New Physics in Hadronic Processes
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Zohreh Davoudi (University of Maryland, College Park)28/01/2026, 11:50
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Assumpta Parreño (Universitat de Barcelona)28/01/2026, 12:35Talks
Lattice QCD has become a powerful nonperturbative tool for exploring the low-energy strong interaction directly from the QCD Lagrangian. It now provides quantitative insights into multi-nucleon interactions, nuclear binding, hypernuclear forces, and electroweak matrix elements relevant to neutrino scattering and double beta decay. Despite challenges such as signal-to-noise degradation and...
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Martí Rovira i Pons28/01/2026, 12:55Talks
In strongly coupled field theories, perturbation theory cannot be employed to study the low-energy spectrum. Thus, non-perturbative techniques are required. One possibility is the Lagrangian approach, where energies are extracted from the Euclidean-time dependence of correlation functions. This method suffers from excited-state contamination at shorter times and rapidly growing statistical...
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Vincent Mathieu (UB)28/01/2026, 15:00Talks
I will present a theoretical and experimental overview of the production of eta-pi and eta’-pi with pion beam (COMPASS) and photon beam (GlueX).
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These two-meson systems are known to have odd angular waves with exotic quantum numbers.
The JPAC collaboration has been analyzing the COMPASS and GlueX data in order to extract the properties of the lightest exotic meson, the pi_1(1600). In this... -
Gloria Montana (Universitat de Barcelona & ICCUB)28/01/2026, 15:20Talks
Hadron resonances are rigorously defined as poles of scattering amplitudes in the complex energy plane. Experimentally, however, we only have access to data along the real-energy axis, and even there, measurements are limited to observables such as cross sections, which are only sensitive to the squared modulus of the underlying complex amplitude. As a result, reconstructing the full...
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Alejandro Romero-Ros (Universitat de Barcelona)28/01/2026, 15:35Talks
Neural Quantum States (NQS) leverage the parameterization of the wave function with neural-networks. In contrast to other variational methods, they are highly scalable with system size and capable of capturing complex behaviours.
Here, we present proof-of-principle time-dependent NQS simulations to illustrate the ability of this approach to effectively capture key aspects of quantum...
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