Search Results - "Leyva, Yoelsy"

Phase-space analysis of torsion-coupled dilatonic ghost condensate by Gonzalez-Espinoza, Manuel, Otalora, Giovanni, Leyva, Yoelsy, Saavedra, Joel

“…We studied the cosmological dynamics of a dilatonic ghost condensate field as a source of dark energy, which is non-minimally coupled to gravity through…”
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Bulk viscosity, interaction and the viability of phantom solutions by Leyva, Yoelsy, Sepúlveda, Mirko

“…We study the dynamics of a bulk viscosity model in the Eckart approach for a spatially flat Friedmann–Robertson–Walker (FRW) Universe. We have included…”
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The optimal size of protocells from simple entropic considerations by Leyva, Yoelsy, Martin, Osmel, Perez, Noel, Suarez-Lezcano, José, Fundora-Pozo, Manuel

“…Potential constraints on protocell size are developed from simple entropic considerations. To do that, two new different indexes as measures of their…”
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Evolution of density perturbations in double exponential quintessence models by Gonzalez, Tame, Cardenas, Rolando, Quiros, Israel, Leyva, Yoelsy

“…In this work we investigate the evolution of matter (linear) density perturbations for quintessence models with a self-interaction potential that is a…”
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Quintom phase-space: Beyond the exponential potential by Leon, Genly, Leyva, Yoelsy, Socorro, J.

“…We investigate the phase-space structure of the quintom dark energy paradigm in the framework of spatially flat and homogeneous universe. We have also included…”
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Dynamics of dark energy in a scalar-vector-torsion theory by Gonzalez-Espinoza, Manuel, Otalora, Giovanni, Leyva, Yoelsy, Saavedra, Joel

“…We study the cosmological dynamics of dark energy in a scalar-vector-torsion theory. The vector field is described by the cosmic triad and the scalar field is…”
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Interacting viscous dark fluids by Avelino, Arturo, Leyva, Yoelsy, Ureña-López, L. Arturo

“…We revise the conditions for the physical viability of a cosmological model in which dark matter has bulk viscosity and also interacts with dark energy. We…”
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From a coenzyme-like mechanism to homochirality by Martín, Osmel, Leyva, Yoelsy, Suárez-Lezcano, José, Pérez-Castillo, Yunierkis, Marrero-Ponce, Yovani

“…Inspired in a coenzyme-like behavior, an alternative mechanism to induce homochirality within a small vesicle is proposed. The system includes six different…”
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No stable dissipative phantom scenario in the framework of a complete cosmological dynamics by Cruz, Norman, Lepe, Samuel, Leyva, Yoelsy, Peña, Francisco, Saavedra, Joel

“…We investigate the phase space dynamics of a bulk viscosity model in the Eckart approach for a spatially flat Friedmann-Robertson-Walker universe. We have…”
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Asymptotic behavior of a scalar field with an arbitrary potential trapped on a Randall-Sundrum’s braneworld: the effect of a negative dark radiation term on a Bianchi I brane by Escobar, Dagoberto, Fadragas, Carlos R., Leon, Genly, Leyva, Yoelsy

“…In this work we present a phase space analysis of a quintessence field and a perfect fluid trapped in a Randall-Sundrum’s Braneworld of type 2. We consider a…”
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The minimal and the optimal size for two different types of encapsulated replicator systems by Martín, Osmel, Leyva, Yoelsy, Suárez-Lezcano, José, Pérez-Castillo, Yunierkis, Marrero-Ponce, Yovani

“…•Analytical solutions for the critical radius for different replicators are found.•There is not a critical radius if the external conditions are not so…”
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Constraining the Prebiotic Cell Size Limits in Extremely Hostile Environments: A Dynamical Perspective by Leyva, Yoelsy, Martín, Osmel, García-Jacas, César R

“…The ability to support a replicator population in an extremely hostile environment is considered in a simple model of a prebiotic cell. We explore from a…”
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Revisiting $f(R)$ gravity's rainbow: Inflation and primordial fluctuations by Leyva, Yoelsy, Otalora, Giovanni

“…JCAP 04 (2023) 030 We study inflation and the generation of primordial fluctuations in $f(R)$ gravity's rainbow. We calculate the cosmological perturbations…”
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Quinstant Dark Energy Predictions for Structure Formation by Nodal, Yoelsy Leyva, Cardenas, Rolando, Cardone, V. F

“…Astrophys.Space Sci.323:107-114,2009 We explore the predictions of a class of dark energy models, quinstant dark energy, concerning the structure formation in…”
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Phase space analysis of a FRW cosmology in the Maxwell$-$Cattaneo approach by Leyva, Yoelsy

“…In this work, we present a phase space analysis of a spatially flat Friedmann $-$Robertson$-$Walker (FRW) model in which the dark matter fluid is modeled as an…”
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Note on stability of de Sitter solutions of f ( R ) theories by Quiros, Israel, Leyva, Yoelsy, Napoles, Yunelsy

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Phase-space analysis of torsion-coupled dilatonic ghost condensate by Gonzalez-Espinoza, Manuel, Otalora, Giovanni, Leyva, Yoelsy, Saavedra, Joel

“…We studied the cosmological dynamics of a dilatonic ghost condensate field as a source of dark energy, which is non-minimally coupled to gravity through…”
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Dynamics of dark energy in a scalar-vector-torsion theory by Gonzalez-Espinoza, Manuel, Otalora, Giovanni, Leyva, Yoelsy, Saavedra, Joel

“…Eur. Phys. J. Plus 138, 600 (2023) We study the cosmological dynamics of dark energy in a scalar-vector-torsion theory. The vector field is described by the…”
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Inflation and Primordial Fluctuations in $F(T)$ Gravity's Rainbow by Leyva, Yoelsy, Leiva, Carlos, Otalora, Giovanni, Saavedra, Joel

“…Phys. Rev. D 105, 043523, 2022 We study slow-roll inflation and the generation of primordial fluctuations in $F(T)$ gravity's rainbow. We obtain the second…”
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Bulk viscosity, interaction and the viability of phantom solutions by Leyva, Yoelsy, Sepúlveda, Mirko

“…Eur. Phys. J. C (2017) 77: 426 We study the dynamics of a bulk viscosity model in the Eckart approach for a spatially flat Friedmann-Robertson-Walker (FRW)…”
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