Explanipedia

Coherent oscillations in weakly anharmonic NbSe2 qubit Open

A. D’Elia, F. Chiarello, D. Di Gioacchino, Alex Stephane Piedjou Komnang, A. Giachero C. Ligi , et al. · 2025

The functionalization of quantum devices to increase their performance and extend their fields of application is an extremely active research area. One of the most promising approaches is to replace aluminum with more performant materials.…

High‐Q Cavity Coupled to a High Permittivity Dielectric Resonator for Sensing Applications Open

Shahnam Gorgi Zadeh, Alberto Ghirri, S. Pagano, S. Tocci, C. Gatti , et al. · 2025

The use of high‐quality factor resonators is of undoubted interest for high‐precision measurements and for applications in quantum technologies. Novel types of microwave sensors can be realized by coupling a first resonator acting as a sta…

Search for post-inflationary QCD axions with a quantum-limited tunable microwave receiver Open

Giosuè Sardo Infirri, D. Alesini, C. Braggio, Giulio Cappelli, G. Carugno , et al. · 2025

A search for cosmological axions has been performed by scanning a frequency region of $38\,$MHz centered at about $10.2\,$GHz, corresponding to an axion mass $m_a \simeq 42\,μ$eV. The QUAX experimental apparatus, a haloscope comprised of a…

Summary Report of the Physics Beyond Colliders Study at CERN Open

R. Fernández, M. Au, G. Arduini, L. Bandiera, D. Banerjee , et al. · 2025

The Physics Beyond Collider (PBC) Study Group was initially mandated by the CERN Management to prepare the previous European Particle Physics Strategy Update for CERN projects other than the high-energy frontier colliders. The main finding…

Status of the Proton EDM Experiment (pEDM) Open

Haipeng An, V. Anastassopoulos, Grigor Atoian, R. Baartman, S. Baeßler , et al. · 2025

The Proton EDM Experiment (pEDM) is the first direct search for the proton electric dipole moment (EDM) with the aim of being the first experiment to probe the Standard Model (SM) prediction of any particle EDM. Phase-I of pEDM will achiev…

Exploring the Dark Universe: A European Strategy for Axions and other WISPs Discovery Open

Deniz Aybas, Francesca Calore, Michele Cicoli, María Teresa Rubio Benito, Arturo de Giorgi , et al. · 2025

Axions and other very weakly interacting slim (with $m <$ 1 GeV) particles (WISPs) are a common feature of several extensions of the Standard Model of Particle Physics. The search of WISPs was already recommended in the last update of the …

Novel two-qubit microwave photon detector for fundamental physics applications Open

A. Rettaroli, Leonardo Banchi, Hervè Atsè Corti, A. D’Elia, C. Gatti , et al. · 2024

Conventional Building Energy Performance and Actual Energy Costs: A Critical Reflection Open

C. Gatti, Chiara Lodi, Alberto Muscio · 2024

High-Q cavity coupled to a high permittivity dielectric resonator for sensing applications Open

Shahnam Gorgi Zadeh, Alberto Ghirri, S. Pagano, S. Tocci, C. Gatti , et al. · 2024

The use of high-quality factor resonators is of undoubted interest for high-precision measurements and for applications in quantum technologies. Novel types of microwave sensors can be realized by coupling a first resonator acting as a sta…

Quantum sensing for fundamental physics efforts at SQMS Open

Bianca Giaccone, Asher Berlin, Patrice Bertet, C. Braggio, G. Carugno , et al. · 2024

One of the areas of research of the Superconducting Quantum Systems and Materials (SQMS) center is the application of quantum sensing to fundamental physics searches, demonstrating that quantum sensors can greatly improve the sensitivity o…

Transmon qubit modeling and characterization for Dark Matter search Open

Roberto Moretti, Danilo Labranca, Pietro Elia Campana, Rodolfo Carobene, Marco Gobbo , et al. · 2024

This study presents the design, simulation, and experimental characterization of a superconducting transmon qubit circuit prototype for potential applications in dark matter detection experiments. We describe a planar circuit design featur…

Search for axion dark matter with the QUAX–LNF tunable haloscope Open

A. Rettaroli, D. Alesini, D. Babusci, C. Braggio, G. Carugno , et al. · 2024

We report the first experimental results obtained with the new haloscope of the QUAX experiment located at Laboratori Nazionali di Frascati of INFN (LNF). The haloscope is composed of a OFHC Cu resonant cavity cooled down to about 30 mK an…

Cavity detection of gravitational waves: Where do we stand? Open

C. Gatti, Luca Visinelli, Michael Zantedeschi · 2024

High frequency gravitational waves (HFGWs) are predicted in various exotic\nscenarios involving both cosmological and astrophysical sources. These elusive\nsignals have recently sparked the interest of a diverse community of\nresearchers, …

NbTi Thin-Film SRF Cavities for Dark Matter Search Open

Giovanni Marconato, C. Pira, D. Alesini, D. D’Agostino, O. Azzolini , et al. · 2024

The search for dark matter is now looking at axion-like particles (ALPs) as a very promising candidate to understand our universe. Within the framework of haloscope detectors for ALPs, we explore the performances of NbTi thin-film coatings…

Nonlinear Behavior of Josephson Traveling Wave Parametric Amplifiers Open

Claudio Guarcello, Felix B. Ahrens, Guerino Avallone, C. Barone, M. Borghesi , et al. · 2024

Recent advancements in quantum technologies and advanced detection experiments have underscored the pressing need for the detection of exceedingly weak signals within the microwave frequency spectrum. Addressing this challenge, the Josephs…

Broadband parametric amplification in DARTWARS Open

M. Faverzani, Pietro Elia Campana, Rodolfo Carobene, Marco Gobbo, Felix B. Ahrens , et al. · 2024

Superconducting parametric amplifiers offer the capability to amplify feeble signals with extremely low levels of added noise, potentially reaching quantum-limited amplification. This characteristic makes them essential components in the r…

Characterization of a Transmon Qubit in a 3D Cavity for Quantum Machine Learning and Photon Counting Open

A. D’Elia, Boulos Alfakes, Anas Alkhazaleh, Leonardo Banchi, M. Beretta , et al. · 2024

In this paper, we report the use of a superconducting transmon qubit in a 3D cavity for quantum machine learning and photon counting applications. We first describe the realization and characterization of a transmon qubit coupled to a 3D r…

Experimental Characterization of RF-SQUIDs Based Josephson Traveling Wave Parametric Amplifier Exploiting Resonant Phase Matching Scheme Open

Luca Fasolo, Felix B. Ahrens, Guerino Avallone, C. Barone, M. Borghesi , et al. · 2024

This study presents recent advancements in Josephson Traveling Wave Parametric Amplifiers (JTWPAs) developed and tested at Istituto Nazionale di Ricerca Metrologica within the Detector Array Readout with Traveling Wave AmplifieRS project f…

Design and Simulation of a Transmon Qubit Chip for Axion Detection Open

Roberto Moretti, Hervè Atsè Corti, Danilo Labranca, Felix B. Ahrens, Guerino Avallone , et al. · 2024

Quantum Sensing is a rapidly expanding research field that finds one of its applications in Fundamental Physics, as the search for Dark Matter. Devices based on superconducting qubits have already been successfully applied in detecting few…

Development of KI-TWPAs for the DARTWARS Project Open

Felix B. Ahrens, E. Ferri, Guerino Avallone, C. Barone, M. Borghesi , et al. · 2024

Noise at the quantum limit over a broad bandwidth is a fundamental\nrequirement for future cryogenic experiments for neutrino mass measurements,\ndark matter searches and Cosmic Microwave Background (CMB) measurements as well\nas for fast …

Feebly-interacting particles: FIPs 2022 Workshop Report Open

C. Antel, M. Battaglieri, J. B. Beacham, Céline Bœhm, O. Buchmüller , et al. · 2023

The future search for low-frequency axions and new physics with the FLASH resonant cavity experiment at Frascati National Laboratories Open

D. Alesini, D. Babusci, P. Beltrame, Fabio Bossi, X. Cid Vidal , et al. · 2023

Microwave Photon Emission in Superconducting Circuits Open

A. D’Elia, A. Rettaroli, F. Chiarello, D. Di Gioacchino, Emanuele Enrico , et al. · 2023

Quantum computing requires a novel approach to store data as quantum states, opposite to classical bits. One of the most promising candidates is entangled photons. In this manuscript, we show the photon emission in the range of microwave f…

Design and simulation of a transmon qubit chip for Axion detection Open

Roberto Moretti, Hervè Atsè Corti, Danilo Labranca, Felix B. Ahrens, Guerino Avallone , et al. · 2023

Quantum Sensing is a rapidly expanding research field that finds one of its applications in Fundamental Physics, as the search for Dark Matter. Devices based on superconducting qubits have already been successfully applied in detecting few…

The future search for low-frequency axions and new physics with the FLASH resonant cavity experiment at Frascati National Laboratories Open

D. Alesini, D. Babusci, P. Beltrame, Fabio Bossi, X. Cid Vidal , et al. · 2023

We present a proposal for a new experiment, the FINUDA magnet for Light Axion SearcH (FLASH), a large resonant-cavity haloscope in a high static magnetic field which is planned to probe new physics in the form of dark matter (DM) axions, s…

Feebly-Interacting Particles: FIPs 2022 Workshop Report Open

C. Antel, M. Battaglieri, J. B. Beacham, Céline Bœhm, O. Buchmüller , et al. · 2023

Particle physics today faces the challenge of explaining the mystery of dark matter, the origin of matter over anti-matter in the Universe, the origin of the neutrino masses, the apparent fine-tuning of the electro-weak scale, and many oth…

Coherent Quantum Network of Superconducting Qubits as a Highly Sensitive Detector of Microwave Photons for Searching of Galactic Axions Open

C. Gatti, M. Affronte, A. G. Balanov, Claudio Bonizzoni, G. Brida , et al. · 2023

We propose a novel approach to detect a low power microwave signal with a frequency of the order of several GHz based on a coherent collective response of quantum states occurring in a superconducting qubits network (SQN). An SQN composes …

Progress in the development of a KITWPA for the DARTWARS project Open

M. Borghesi, C. Barone, M. Borghesi, S. Capelli, G. Carapella , et al. · 2022

Ultra low noise readout with traveling wave parametric amplifiers: The DARTWARS project Open

A. Rettaroli, C. Barone, M. Borghesi, S. Capelli, G. Carapella , et al. · 2022

Characterization of Traveling-Wave Josephson Parametric Amplifiers at <i>T</i> = 0.3 K Open

V. Granata, Guerino Avallone, C. Barone, M. Borghesi, S. Capelli , et al. · 2022

The growing interest in quantum technologies, from fundamental physics experiments to quantum computing, demands for extremely performing electronics only adding the minimum amount of noise admitted by quantum mechanics to the input signal…

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