Borophene nanoclusters: Energetics and structures from analytical potentials

2025-04-28T11:14:39+02:00Tags: , , , |

Authors: Zergani, Farideh; Marques, Jorge M. C.; Bartolomei, Massimiliano; Pirani, Fernando Journal: JOURNAL OF CHEMICAL PHYSICS Publication date: 2024/11/28 DOI: 10.1063/5.0239149 Abstract: Boron shows a variety of properties, determining a chemistry rich and complementary to that of carbon, the neighbor atom in the Periodic Table. In this work, we investigated the strength and nature of [...]

Mitigating noise in digital and digital-analog quantum computation

2024-11-23T20:32:54+01:00Tags: , |

Authors: Garcia-Molina, Paula; Martin, Ana; de Andoin, Mikel Garcia; Sanz, Mikel Journal: COMMUNICATIONS PHYSICS Publication date: 2024/10/06 DOI: 10.1038/s42005-024-01812-5 Abstract: Noisy Intermediate-Scale Quantum (NISQ) devices lack error correction, limiting scalability for quantum algorithms. In this context, digital-analog quantum computing (DAQC) offers a more resilient alternative quantum computing paradigm that outperforms digital quantum computation by [...]

Geometrical description and Faddeev-Jackiw quantization of electrical networks

2024-11-23T20:28:47+01:00Tags: , |

Authors: Parra-Rodriguez, A.; Egusquiza, I. L. Journal: QUANTUM Publication date: 2024/09/05 DOI: Abstract: In lumped-element electrical circuit theory, the problem of solving Maxwell's equations in the presence of media is reduced to two sets of equations, the constitutive equations encapsulating local geometry and dynamics of a confined energy density, and the Kirchhoff equations enforcing [...]

Support effects on conical intersections of Jahn-Teller fluxional metal clusters on the sub-nanoscale

2024-11-23T20:22:39+01:00Tags: , , , |

Authors: Krupka, Katarzyna M.; de Lara-Castells, Maria Pilar Journal: PHYSICAL CHEMISTRY CHEMICAL PHYSICS Publication date: 2024/10/09 DOI: 10.1039/d4cp03271c Abstract: The concept of fluxionality has been invoked to explain the enhanced catalytic properties of atomically precise metal clusters of subnanometer size. Cu-3 isolated in the gas phase is a classical case of a fluxional metal [...]

The Galaxy Activity, Torus, and Outflow Survey (GATOS): V. Unveiling PAH survival and resilience in the circumnuclear regions of AGNs with JWST

2025-04-28T11:13:34+02:00Tags: |

Authors: Garcia-Bernete, I.; Rigopoulou, D.; Donnan, F. R.; Alonso-Herrero, A.; Pereira-Santaella, M.; Shimizu, T.; Davies, R.; Roche, P. F.; Garcia-Burillo, S.; Labiano, A.; Hermosa Munoz, L.; Zhang, L.; Audibert, A.; Bellocchi, E.; Bunker, A.; Combes, F.; Delaney, D.; Esparza-Arredondo, D.; Gandhi, P.; Gonzalez-Martin, O.; Honig, S. F.; Imanishi, M.; Hicks, E. K. S.; Fuller, L.; [...]

Quantifying the informativity of emission lines to infer physical conditions in giant molecular clouds: I. Application to model predictions

2025-04-28T11:13:25+02:00Tags: |

Authors: Einig, Lucas; Palud, Pierre; Roueff, Antoine; Pety, Jerome; Bron, Emeric; Le Petit, Franck; Gerin, Maryvonne; Chanussot, Jocelyn; Chainais, Pierre; Thouvenin, Pierre-Antoine; Languignon, David; Beslic, Ivana; Coude, Simon; Mazurek, Helena; Orkisz, Jan H.; Santa-Maria, Miriam G.; Segal, Leontine; Zakardjian, Antoine; Bardeau, Sebastien; Demyk, Karine; de Souza Magalhaes, Victor; Goicoechea, Javier R.; Gratier, Pierre; Guzman, Viviana [...]

Gapless deconfined phase in a Z N-symmetric Hamiltonian created in a cold-atom setup

2025-04-28T11:14:14+02:00Tags: , , , |

Authors: Rakov, Mykhailo, V; Tagliacozzo, Luca; Lewenstein, Maciej; Zakrzewski, Jakub; Chanda, Titas Journal: PHYSICAL REVIEW B Publication date: 2024/11/05 DOI: 10.1103/PhysRevB.110.195114 Abstract: We investigate a quasi-two-dimensional system consisting of two species of alkali atoms confined in a specific optical lattice potential [Phys. Rev. A 95 , 053608 (2017)]. In the low-energy regime, this system is [...]

Polycyclic Aromatic Hydrocarbon Emission in the Central Regions of Three Seyferts and the Implication for Underlying Feedback Mechanisms

2025-04-28T11:14:39+02:00Tags: |

Authors: Zhang, Lulu; Garcia-Bernete, Ismael; Packham, Chris; Donnan, Fergus R.; Rigopoulou, Dimitra; Hicks, Erin K. S.; Davies, Ric I.; Shimizu, Taro T.; Alonso-Herrero, Almudena; Almeida, Cristina Ramos; Pereira-Santaella, Miguel; Ricci, Claudio; Bunker, Andrew J.; Leist, Mason T.; Rosario, David J.; Garcia-Burillo, Santiago; Munoz, Laura Hermosa; Combes, Francoise; Imanishi, Masatoshi; Labiano, Alvaro; Esparza-Arredondo, Donaji; Bellocchi, Enrica; [...]

AGN feeding along a one-armed spiral in NGC 4593: A study using ALMA CO(2-1) observations

2025-04-28T11:13:50+02:00Tags: |

Authors: Kianfar, K.; Andreani, P.; Fernandez-Ontiveros, J. A.; Combes, F.; Spinoglio, L.; Hatziminaoglou, E.; Ricci, C.; Bewketu-Belete, A.; Imanishi, M.; Pereira-Santaella, M.; Slater, R.; Malheiro, M. Journal: ASTRONOMY & ASTROPHYSICS Publication date: 2024/11/01 DOI: 10.1051/0004-6361/202451185 Abstract: Context. We investigate active galactic nuclei (AGN) feeding through the molecular gas (CO(2-1) emission) properties of the local Seyfert [...]

Optimal quantum circuit generation for pixel segmentation in multiband images

2025-04-28T11:13:00+02:00Tags: , , |

Authors: Altares-Lopez, Sergio; Garcia-Ripoll, Juan Jose; Ribeiro, Angela Journal: APPLIED SOFT COMPUTING Publication date: 2024/11/01 DOI: 10.1016/j.asoc.2024.112175 Abstract: A novel approach is proposed for multiband image processing via quantum models in real situations. Quantum circuits are automatically generated ad-hoc for each use case via multiobjective genetic algorithms. Using this universal method, image processing tasks such [...]

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