Multidisciplinary; Physics Archivos - Instituto De Física Fundamental

Impact of Early Coherences on the Control of Ultrafast Photodissociation Reactions

Marcelo Castellanos2024-03-27T14:34:44+01:00Tags: Atomic, Chemistry, Molecular & Chemical. , Multidisciplinary; Physics, Physical; Nanoscience & Nanotechnology; Materials Science|

Authors: Arcos, Carlos G.; Garcia-Vela, Alberto; Sola, Ignacio R. Journal: JOURNAL OF PHYSICAL CHEMISTRY LETTERS Publication date: 2024/01/31 DOI: 10.1021/acs.jpclett.3c03430 Abstract: By coherent control, the yield of photodissociation reactions can be maximized, starting in a suitable superposition of vibrational states. In ultrafast processes, the interfering pathways are born from the early vibrational coherences in the [...]

Isotope Effect in D2O Negative Ion Formation in Electron Transfer Experiments: DO-D Bond Dissociation Energy

Marcelo Castellanos2024-03-27T13:58:01+01:00Tags: Atomic, Chemistry, Molecular & Chemical. , Multidisciplinary; Physics, Physical; Nanoscience & Nanotechnology; Materials Science|

Authors: Kumar, Sarvesh; Hoshino, Masamitsu; Kerkeni, Boutheina; Garcia, Gustavo; Limao-Vieira, Paulo Journal: JOURNAL OF PHYSICAL CHEMISTRY LETTERS Publication date: 2023/06/05 DOI: 10.1021/acs.jpclett.3c00786 Abstract: H2O/D2O negative ion time-of-flightmassspectra from electron transfer processes at different collision energieswith neutral potassium yield OH-/OD-, O-, and H-/D-. The branching ratios show a relevant energy dependence with animportant isotope effect in [...]

Missing levels in intermediate spectra

Marcelo Castellanos2024-03-27T13:57:57+01:00Tags: Mathematical. , Multidisciplinary; Physics, Physics|

Authors: Hita-Perez, Maria; Munoz, Laura; Molina, Rafael A. Journal: JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL Publication date: 2023/12/15 DOI: 10.1088/1751-8121/ad0d1e Abstract: We derive an expression for the nearest-neighbor spacing distribution P(s) of the energy levels of quantum systems with intermediate dynamics between regularity and chaos and missing levels due to random experimental errors. The expression [...]

Detecting entanglement of unknown states by violating the Clauser-Horne-Shimony-Holt inequality

Marcelo Castellanos2024-03-27T13:57:25+01:00Tags: Mathematical. , Multidisciplinary; Physics, Quantum Science & Technology; Physics|

Authors: Cortes-Vega, J.; Barra, J. F.; Pereira, L.; Delgado, A. Journal: QUANTUM INFORMATION PROCESSING Publication date: 2023/05/09 DOI: 10.1007/s11128-023-03953-y Abstract: Entangled states play a fundamental role in quantum mechanics and are at the core of many contemporary applications, such as quantum communication and quantum computing. Therefore, determining whether a state is entangled or not is [...]

The quest of null electromagnetics knots from Seifert fibration

Marcelo Castellanos2024-03-27T13:57:05+01:00Tags: Interdisciplinary Applications; Physics, Mathematical. , Mathematics, Multidisciplinary; Physics|

Authors: Arrayas, Manuel; Tiemblo, Alfredo; Trueba, Jose L. Journal: CHAOS SOLITONS & FRACTALS Publication date: 2023/01/01 DOI: 10.1016/j.chaos.2022.113002 Abstract: [Arrayas, Manuel; Trueba, Jose L.] Univ Rey Juan Carlos, Area Electromagnetismo, Tulipan S-N, Madrid 28933, Spain; [Tiemblo, Alfredo] CSIC, Inst Fis Fundamental, Serrano 113, Madrid 28006, Spain

Quenches to the critical point of the three-state Potts model: Matrix product state simulations and conformal field theory

Marcelo Castellanos2023-02-21T13:36:56+01:00Tags: Applied; Physics, Condensed Matter. , Materials Science, Multidisciplinary; Physics|

Authors: Robertson, Niall F.; Surace, Jacopo; Tagliacozzo, Luca Journal: PHYSICAL REVIEW B Publication date: 2022/05/04 DOI: 10.1103/PhysRevB.105.195103 Abstract: Conformal field theories (CFTs) have been used extensively to understand the physics of critical lattice models at equilibrium. However, the applicability of CFT calculations to the behavior of the lattice systems in the out-of-equilibrium setting is not [...]

Observation of Transient Anions That Do Not Decay through Dissociative Electron Attachment: New Pathways for Radiosensitization

Marcelo Castellanos2023-02-21T13:36:28+01:00Tags: Atomic, Chemistry, Molecular & Chemical. , Multidisciplinary; Physics, Physical; Nanoscience & Nanotechnology; Materials Science|

Authors: Lozano, Ana I.; Kossoski, Fabris; Blanco, Francisco; Limao-Vieira, Paulo; Varella, Marcio T. do N.; Garcia, Gustavo Journal: JOURNAL OF PHYSICAL CHEMISTRY LETTERS Publication date: 2022/08/04 DOI: 10.1021/acs.jpclett.2c01704 Abstract: Low-energy electrons (LEEs) can very efficiently induce bond breaking via dissociative electron attachment (DEA). While DEA is ubiquitous, the importance of other reactions initiated by LEEs [...]

Role of boundary conditions in the full counting statistics of topological defects after crossing a continuous phase transition

Marcelo Castellanos2023-02-21T13:36:21+01:00Tags: Applied; Physics, Condensed Matter. , Materials Science, Multidisciplinary; Physics|

Authors: Gomez-Ruiz, Fernando J.; Subires, David; del Campo, Adolfo Journal: PHYSICAL REVIEW B Publication date: 2022/10/10 DOI: 10.1103/PhysRevB.106.134302 Abstract: In a scenario of spontaneous symmetry breaking in finite time, topological defects are generated at a density that scales with the driving time according to the Kibble-Zurek mechanism (KZM). Signatures of universality beyond the KZM have [...]

Locality of spontaneous symmetry breaking and universal spacing distribution of topological defects formed across a phase transition

Marcelo Castellanos2023-02-21T13:36:16+01:00Tags: Applied; Physics, Condensed Matter. , Materials Science, Multidisciplinary; Physics|

Authors: del Campo, Adolfo; Javier Gomez-Ruiz, Fernando; Zhang, Hai-Qing Journal: PHYSICAL REVIEW B Publication date: 2022/10/11 DOI: 10.1103/PhysRevB.106.L140101 Abstract: The crossing of a continuous phase transition results in the formation of topological defects with a density predicted by the Kibble-Zurek mechanism (KZM). We characterize the spatial distribution of pointlike topological defects in the resulting nonequilibrium [...]

Different routes to the classical limit of backflow

Marcelo Castellanos2023-02-21T13:36:11+01:00Tags: Mathematical. , Multidisciplinary; Physics, Physics|

Authors: Mousavi, S., V; Miret-Artes, S. Journal: JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL Publication date: 2022/11/25 DOI: 10.1088/1751-8121/aca36e Abstract: Decoherence is a well established process for the emergence of classical mechanics in open quantum systems. However, it can have two different origins or mechanisms depending on the dynamics one is considering, speaking then about intrinsic [...]