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CERN Document Server 2,048 のレコードが見つかりました。  1 - 10次最後  レコードへジャンプ: 検索にかかった時間: 0.32 秒 
1.
Parameterized quantum circuits as universal generative models for continuous multivariate distributions / Barthe, Alice (U. Leiden (main) ; CERN ; Leiden U.) ; Grossi, Michele (CERN) ; Vallecorsa, Sofia (CERN) ; Tura, Jordi (U. Leiden (main) ; Leiden U.) ; Dunjko, Vedran (U. Leiden (main) ; Leiden U.)
Parameterized quantum circuits have been extensively used as the basis for machine learning models in regression, classification, and generative tasks. [...]
arXiv:2402.09848.
- 13 p.
Fulltext
2.
Universal approximation of continuous functions with minimal quantum circuits / Pérez-Salinas, Adrián (Leiden U.) ; Rad, Mahtab Yaghubi (Leiden U. ; U. Leiden (main)) ; Barthe, Alice (Leiden U. ; CERN) ; Dunjko, Vedran (Leiden U. ; U. Leiden (main))
The conventional paradigm of quantum computing is discrete: it utilizes discrete sets of gates to realize bitstring-to-bitstring mappings, some of them arguably intractable for classical computers. [...]
arXiv:2411.19152.
- 14.
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3.
Gradients and frequency profiles of quantum re-uploading models / Barthe, Alice (U. Leiden (main) ; CERN ; Leiden U.) ; Pérez-Salinas, Adrián (Leiden U. ; U. Leiden (main))
Quantum re-uploading models have been extensively investigated as a form of machine learning within the context of variational quantum algorithms. Their trainability and expressivity are not yet fully understood and are critical to their performance. [...]
arXiv:2311.10822.- 2024-11-14 - 24 p. - Published in : Quantum 8 (2024) 1523 Fulltext: 2311.10822 - PDF; Publication - PDF; document - PDF;
4.
Gate-based quantum simulation of Gaussian bosonic circuits on exponentially many modes / Barthe, Alice (CERN ; Los Alamos Natl. Lab., Theor. Div. ; Leiden U.) ; Cerezo, M. (Los Alamos ; Oak Ridge) ; Sornborger, Andrew T. (Los Alamos) ; Larocca, Martin (Los Alamos Natl. Lab., Theor. Div. ; Los Alamos) ; García-Martín, Diego (Los Alamos)
We introduce a framework for simulating, on an $(n+1)$-qubit quantum computer, the action of a Gaussian Bosonic (GB) circuit on a state over $2^n$ modes. [...]
LA-UR-24-26564 ; arXiv:2407.06290.
- 19 p.
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5.
Searches for new physics at SND@LHC / Boyarsky, Alexey (Cosine, Leiden) ; Mikulenko, Oleksii (Cosine, Leiden ; Taras Shevchenko U.) ; Ovchynnikov, Maksym (Cosine, Leiden) ; Shchutska, Lesya (EPFL, Lausanne, FSL)
SND@LHC is an approved experiment equipped to detect scattering of neutrinos produced in the far-forward direction at the LHC, and aimed to measure their properties. In addition, the detector has a potential to search for new feebly interacting particles (FIPs) that may be produced in proton-proton collisions. [...]
arXiv:2104.09688.- 2022-03-01 - 30 p. - Published in : JHEP 2203 (2022) 006 Fulltext: document - PDF; 2104.09688 - PDF;
6.
Towards the optimal beam dump experiment to search for feebly interacting particles / Bondarenko, Kyrylo (SISSA, Trieste ; IFPU, Trieste ; INFN, Trieste) ; Boyarsky, Alexey (Leiden U.) ; Jacobsson, Richard (CERN) ; Mikulenko, Oleksii (Leiden U.) ; Ovchynnikov, Maksym (KIT, Karlsruhe, IAP ; Leiden U.)
Future searches for new physics beyond the Standard Model are without doubt in need of a diverse approach and experiments with complementary sensitivities to different types of classes of models. One of the directions that should be explored is feebly interacting particles (FIPs) with masses below the electroweak scale. [...]
arXiv:2304.02511.- 2023-12-13 - 16 p. - Published in : Eur. Phys. J. C 83 (2023) 1126 Fulltext: 2304.02511 - PDF; document - PDF;
7.
Improving the potential of BDF@SPS to search for new physics with liquid argon time projection chambers / Ferrillo, Martina (Zurich U.) ; Ovchynnikov, Maksym (KIT, Karlsruhe, IAP ; Leiden U.) ; Resnati, Filippo (CERN) ; De Roeck, Albert (CERN)
Beam dump experiments proposed at the SPS are perfectly suited to explore the parameter space of models with long-lived particles, thanks to the combination of a large intensity with a high proton beam energy. In this paper, we study how the exploration power may be augmented further by installing a detector based on liquid argon time projection chamber technology. [...]
arXiv:2312.14868.- 2024-02-26 - Published in : JHEP 2402 (2024) 196 Fulltext: 2312.14868 - PDF; Publication - PDF;
8.
Dynamics of metastable Standard Model particles from long-lived particle decays in the MeV primordial plasma / Akita, Kensuke (Tokyo U.) ; Baur, Gideon (KIT, Karlsruhe, IAP ; U. Bonn, Phys. Inst., BCTP) ; Ovchynnikov, Maksym (KIT, Karlsruhe, IAP ; CERN) ; Schwetz, Thomas (KIT, Karlsruhe, IAP) ; Syvolap, Vsevolod (Leiden U.)
e investigate the cosmological impact of hypothetical unstable new physics particles that decay in the MeV-scale plasma of the Early Universe. [...]
arXiv:2411.00931.
- 17.
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Quantum Computing for High-Energy Physics : State of the Art and Challenges / Di Meglio, Alberto (CERN) ; Jansen, Karl (DESY, Zeuthen ; Cyprus Inst.) ; Tavernelli, Ivano (IBM, Zurich) ; Alexandrou, Constantia (Cyprus U. ; Cyprus Inst.) ; Arunachalam, Srinivasan (IBM Watson Res. Ctr.) ; Bauer, Christian W. (LBNL, Berkeley) ; Borras, Kerstin (DESY ; Aachen, Tech. Hochsch.) ; Carrazza, Stefano (Milan U. ; CERN) ; Crippa, Arianna (DESY, Zeuthen ; Humboldt U., Berlin) ; Croft, Vincent (U. Leiden (main)) et al.
Quantum computers offer an intriguing path for a paradigmatic change of computing in the natural sciences and beyond, with the potential for achieving a so-called quantum advantage, namely a significant (in some cases exponential) speed-up of numerical simulations. The rapid development of hardware devices with various realizations of qubits enables the execution of small scale but representative applications on quantum computers. [...]
arXiv:2307.03236; FERMILAB-PUB-23-468-ETD.- 2024-08-01 - 49 p. - Published in : PRX Quantum 5 (2024) 037001 Fulltext: 2307.03236 - PDF; FERMILAB-PUB-23-468-ETD - PDF; Fulltext from Publisher: PDF; External link: Fermilab Library Server
10.
New physics decaying into metastable particles: impact on cosmic neutrinos / Akita, Kensuke (Tokyo U.) ; Baur, Gideon (KIT, Karlsruhe, IAP ; U. Bonn, Phys. Inst., BCTP) ; Ovchynnikov, Maksym (KIT, Karlsruhe, IAP ; CERN) ; Schwetz, Thomas (KIT, Karlsruhe, IAP) ; Syvolap, Vsevolod (Leiden U.)
We investigate decays of hypothetical unstable new physics particles into metastable species such as muons, pions, or kaons in the early Universe, when temperatures are in the MeV range, and study how they affect cosmic neutrinos. [...]
arXiv:2411.00892.
- 6.
Fulltext

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