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IBM quantum platforms: a quantum battery perspective
/ Gemme, Giulia (Genoa U.) ; Grossi, Michele (CERN) ; Ferraro, Dario (Genoa U. ; CNR-SPIN, Naples) ; Vallecorsa, Sofia (CERN) ; Sassetti, Maura (Genoa U. ; CNR-SPIN, Naples)
We characterize for the first time the performances of IBM quantum chips as quantum batteries, specifically addressing the single-qubit Armonk processor. By exploiting the Pulse access enabled to some of the IBM Quantum processors via the Qiskit package, we investigate advantages and limitations of different profiles for classical drives used to charge these miniaturized batteries, establishing the optimal compromise between charging time and stored energy. [...]
arXiv:2204.10786.-
2022-05-14 - 13 p.
- Published in : Batteries 8 (2022) 43
Fulltext: 2204.10786 - PDF; Publication - PDF;
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IBM Quantum Platforms: A Quantum Battery Perspective
/ Gemme, Giulia (speaker) (Università di Genova, Italy)
In the last few years, the progressive miniaturization of devices has approached the size of atoms and molecules. The study of these quantum systems out of equilibrium contributed to the advancement of quantum thermodynamics. [...]
2023 - 2212.
QTI Lectures
External link: Event details
In : IBM Quantum Platforms: A Quantum Battery Perspective
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Overview of recent work on laser excitation of positronium for the formation of antihydrogen
/ Yzombard, P (LAC, Orsay) ; Amsler, C (Bern U., LHEP) ; Ariga, T (Bern U., LHEP) ; Bonomi, G (Brescia U. ; INFN, Pavia) ; Bräunig, P (Kirchhoff Inst. Phys.) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Cabaret, L (LAC, Orsay) ; Caccia, M (INFN, Milan) ; Caravita, R (Genoa U. ; INFN, Genoa ; CERN) ; Castelli, F (INFN, Milan ; Milan U.) et al.
The AEgIS experiment carried out at CERN aims to form a cold antihydrogen beam to perform precision studies on gravity. A key ingredient is the creation of antihydrogen via a charge-exchange process between trapped antiprotons and Rydberg excited positronium atoms (Ps). [...]
2017 - 11 p.
- Published in : JPS Conf. Proc. 18 (2017) 011026
Fulltext: PDF;
In : 12th International Conference on Low Energy Antiproton Physics, Kanazawa, Japan, 6 - 11 Mar 2016, pp.011026
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Positronium for Antihydrogen Production in the AEGIS Experiment
/ Consolati, G (Milan Polytechnic ; INFN, Milan) ; Aghion, S (Milan Polytechnic ; INFN, Milan) ; Amsler, C (Stefan Meyer Inst. Subatomare Phys.) ; Bonomi, G (INFM, Brescia ; INFN, Pavia) ; Brusa, R S (Trento U. ; TIFPA-INFN, Trento) ; Caccia, M (INFN, Milan ; Insubria U., Como) ; Caravita, R (Genoa U. ; INFN, Genoa ; CERN) ; Castelli, F (INFN, Milan ; Milan U.) ; Cerchiari, G (Heidelberg, Max Planck Inst.) ; Comparat, D (LAC, Orsay) et al.
The primary goal of the Antihydrogen Experiment: Gravity, Interferometry, Spectroscopy (AEGIS) collaboration is to measure for the first time precisely the gravitational acceleration of antihydrogen, H¯ , a fundamental issue of contemporary physics, using a beam of antiatoms. Indeed, although indirect arguments have been raised against a different acceleration of antimatter with respect to matter, nevertheless some attempts to formulate quantum theories of gravity, or to unify gravity with the other forces, consider the possibility of a non-identical gravitational interaction between matter and antimatter. [...]
2017 - 7 p.
- Published in : Acta Phys. Pol. A 132 (2017) 1443-1449
Fulltext: PDF;
In : 12th International Workshop on Positron and Positronium Chemistry, Lublin, Poland, August 28-September 1, 2017, pp.1443-1449
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Coded masks for imaging of neutrino events
/ NU@FNAL Collaboration
The capture of scintillation light emitted by liquid Argon and Xenon under molecular excitations by charged particles is still a challenging task. Here we present a first attempt to design a device able to grab sufficiently high luminosity in order to reconstruct the path of ionizing particles. [...]
arXiv:2105.10820.-
2021-11-17 - 15 p.
- Published in : Eur. Phys. J. C 81 (2021) 1011
Fulltext: 2105.10820 - PDF; document - PDF; Fulltext from publisher: PDF;
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Efficient $2^3S$ positronium production by stimulated decay from the $3^3P$ level
/ AEgIS Collaboration
We investigate experimentally the possibility of enhancing the production of $2^3S$ positronium atoms by driving the $1^3S$-$3^3P$ and $3^3P$-$2^3S$ transitions, overcoming the natural branching ratio limitation of spontaneous decay from $3^3P$ to $2^3S$. The decay of $3^3P$ positronium atoms towards the $2^3S$ level has been effciently stimulated by a 1312.2nm broadband IR laser pulse. [...]
arXiv:1904.09004.-
2019-12-09 - 6 p.
- Published in : Phys. Rev. A 100 (2019) 063414
Fulltext: PDF;
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