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IOP publishing ltd |
Documentos disponibles de esta editorial (292)
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A new first integral for the equations corresponding to twisting type-N vacuum gravitational fields with two non-commuting Kilting vectors is introduced. A new reduction of the problem to a complex second-order ordinary differential equation is [...]![]()
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We present a method to sum Borel- and Gevrey-summable asymptotic series by matching the series to be summed with a linear combination of asymptotic series of known functions that themselves are scaled versions of a single, appropriate, but other[...]![]()
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Introducing a surface layer of matter on the edge of a neutron star in slow rigid rotation, we analyze, from an intrinsic point of view, the junction conditions that must be satisfied between the interior and exterior solutions of the Einstein e[...]![]()
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In this work we calculate the low-energy effective action for gravity with torsion, obtained after the integration of scalar and fermionic matter fields, using the local momentum representation based on the Riemann normal coordinates expansion. [...]![]()
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Alvarez Rodríguez, R. ; Fraile Prieto, Luis Mario ; López Herraiz, Joaquin ; Martinez Pérez, M. ; Moreno, O. ; Udías Moinelo, José Manuel | IOP publishing ltd | 2016The nucleosynthesis of elements beyond iron is dominated by neutron captures in the s and r processes. However, 32 stable, proton-rich isotopes cannot be formed during those processes, because they are shielded from the s-process flow and r-proc[...]![]()
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Ivanov, M. V. ; Antonov, A. N. ; Megías, G. D. ; González-Jiménez, R. ; Bárbaro, M. B. ; Caballero, J. A. ; Donnelly, T. W. ; Udías Moinelo, José Manuel | IOP publishing ltd | 2018We compare the characteristics of the charged-current quasielastic (anti)neutrino scattering obtained in two different nuclear models, the phenomenological SuperScaling Approximation and the model using a realistic spectral function S(p, epsilon[...]![]()
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González Adalid Pemartín, Isidoro ; Martín Mayor, Víctor ; Parisi, G. ; Ruiz Lorenzo, J.J. | IOP publishing ltd | 2019-03-29We study the problem of glassy relaxations in the presence of an external field in the highly controlled context of a spin-glass simulation. We consider a small spin glass in three dimensions (specifically, a lattice of size L = 8, small enough [...]![]()
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Duncan, Kenneth ; Conselice, Christopher J. ; Mundy, Carl ; Bell, Eric ; Donley, Jennifer ; Galametz, Audrey ; Guo, Yicheng ; Grogin, Norman A. ; Hathi, Nimish ; Kartaltepe, Jeyhan ; Kocevski, Dale ; Koekemoer, Anton M. ; Pérez González, Pablo Guillermo ; Mantha, Kameswara B. ; Snyder, Gregory F. ; Stefanon, Mauro | IOP publishing ltd | 2019-05-08Galaxy mergers are expected to have a significant role in the mass assembly of galaxies in the early universe, but there are very few observational constraints on the merger history of galaxies at z > 2. We present the first study of galaxy maj[...]![]()
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Ivy, Diane J. ; Solomon, Susan ; Calvo Fernández, Natalia ; Thompson, David W. J. | IOP publishing ltd | 2017-02We present observational evidence for linkages between extreme Arctic stratospheric ozone anomalies in March and Northern Hemisphere tropospheric climate in spring (March-April). Springs characterized by low Arctic ozone anomalies in March are a[...]![]()
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We examine a case study where classical evolution emerges when observing a quantum evolution. By using a single-mode quantum Kerr evolution interrupted by measurement of the double-homodyne kind (projecting the evolved field state into classical[...]![]()
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Finkel Morgenstern, Federico ; González López, Artemio ; Rodríguez González, Miguel Ángel | IOP publishing ltd | 1999-10-01We show that there are two different families of (weakly) orthogonal polynomials associated to the quasi-exactly solvable Razavy potential V_ (x) = (? cosh 2x?M)^ 2 (? > 0, M ? N). One of these families encompasses the four sets of orthogonal p[...]![]()
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Albareti, F. D. ; Ruiz Cembranos, José Alberto ; Cruz Dombriz, Álvaro de la ; Dobado González, Antonio | IOP publishing ltd | 2013-07Raychaudhuri equation is found provided that particular energy conditions are assumed and regardless the considered solution of the Einstein's equations. This fact is usually interpreted as a manifestation of the attractive character of gravity.[...]![]()
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We have derived the uncertainties to be expected in the derivation of galaxy physical properties (star formation history, age, metallicity, and reddening) when comparing broadband photometry to the predictions of evolutionary synthesis models. W[...]![]()
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The effect of the radiation reaction on the motion of an extended classical charged particle in a magnetic field is investigated. The expression of the self-torque is obtained and it is shown that there are radiationless self-sustained oscillati[...]![]()
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A comprehensive stratosphere-resolving atmospheric model, with interactive stratospheric ozone chemistry, coupled to ocean, sea ice and land components is used to explore the tropospheric and surface impacts of large springtime ozone anomalies i[...]