Výsledky vyhledávání - "J. R Espinosa"

Akademický článek

Primordial black holes from Higgs vacuum instability: avoiding fine-tuning through an ultraviolet safe mechanism

Autor: J. R. Espinosa, D. Racco, A. Riotto

Publikováno v: European Physical Journal C: Particles and Fields, Vol 78, Iss 10, Pp 1-5 (2018)

Abstract We have recently proposed the idea that dark matter in our universe is formed by primordial black holes generated by Standard Model Higgs fluctuations during inflation and thanks to the fact that the Standard Model Higgs potential develops a

Externí odkaz: https://doaj.org/article/34c0ed778aa944359ffa6830aaf69906

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Minimum in the pressure dependence of the interfacial free energy between ice Ih and water

Autor: P. Montero de Hijes, J. R Espinosa, C. Vega, C. Dellago

Despite the importance of ice nucleation, this process has been barely explored at negative pressures. Here, we study homogeneous ice nucleation in stretched water by means of molecular dynamics seeding simulations using the TIP4P/Ice model. We obser

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3da2c9704f75841a13c1d9f3365c6aca
http://arxiv.org/abs/2301.00178

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Vacuum Decay in the Standard Model: Analytical Results with Running and Gravity

Autor: J. R. Espinosa

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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A tunneling bounce driving the decay of a metastable vacuum must respect an integral constraint dictated by simple scaling arguments that is very useful to determine key properties of the bounce. After illustrating how this works in a simple toy mode

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3890556df69ed3e9421e281feb653bdd

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The stabilizing effect of gravity made simple

Autor: J. R. Espinosa

Publikováno v: Digital.CSIC. Repositorio Institucional del CSIC
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A new approach to vacuum decay in quantum field theory, based on a simple variational formulation in field space using a tunneling potential, is ideally suited to study the effects of gravity on such decays. The method allows to prove in new and simp

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::47d4c654ecb937a3d38722464e2f3f76
https://doi.org/10.1088/1475-7516/2020/07/061

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Axionic landscape for Higgs coupling near-criticality

Autor: James M. Cline, J. R. Espinosa

Publikováno v: Physical Review
Physical Review D

The measured value of the Higgs quartic coupling λ is peculiarly close to the critical value above which the Higgs potential becomes unstable, when extrapolated to high scales by renormalization group running. It is tempting to speculate that there

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed4dc9859dd3956e28fcd0f2416bfede
http://repo.scoap3.org/api

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Gauge-independent scales related to the standard model vacuum instability

Autor: Antonio Riotto, Mathias Garny, J. R. Espinosa, Thomas Konstandin

Publikováno v: Physical Review D
Physical review / D 95(5), 056004(2017). doi:10.1103/PhysRevD.95.056004
Physical review / D 95(5), 056004 (2017). doi:10.1103/PhysRevD.95.056004

Physical review / D covering particles, fields, gravitation, and cosmology 95(5), 056004(2017). doi:10.1103/PhysRevD.95.056004
The measured (central) values of the Higgs and top quark masses indicate that the Standard Model (SM) effective potent

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0fb203435e2318ee4e119ad64b736a8d

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Adaptation of robot BIOLOID premium for weightlifting HuroCup — FIRA

Autor: A. Loza-Alvarez, Gerardo I. Pérez-Soto, R. A. Suarez-Rivera, J. R. Espinosa-Baylon, K. Perez-Alvarez, D. Jaramillo Arteaga, Salvador Martinez-Cruz, Karla A. Camarillo-Gómez

Publikováno v: 2016 XVIII Congreso Mexicano de Robotica.

In this paper, the modifications made to a robot Bioloid type A to participate in weightlifting competition HuroCup of the International Federation of the Association of Robot Soccer, FIRA, is presented. The changes are based on a static analysis in

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::cb64bf317489c5fe1f39b747f872942e
https://doi.org/10.1109/comrob.2016.7955156

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Cosmological Higgs-Axion Interplay for a Naturally Small Electroweak Scale

Autor: Giuliano Panico, Alex Pomarol, J. R. Espinosa, Geraldine Servant, Oriol Pujolàs, C. Grojean

Publikováno v: Physical review letters 115(25), 1803 (2015). doi:10.1103/PhysRevLett.115.251803

Recently, a new mechanism to generate a naturally small electroweak scale has been proposed. It exploits the coupling of the Higgs to an axion-like field and a long era in the early universe where the axion unchains a dynamical screening of the Higgs

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::355a92c894bbb27d7b301a098b0ba47a
https://doi.org/10.1103/physrevlett.115.251803

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