IRAP Phd Orizz
Total Page:16
File Type:pdf, Size:1020Kb
Load more
Recommended publications
-
The Morphology of the X-Ray Afterglows and of the Jetted Gev Emission in Long Grbs
MNRAS 000,1– ?? (2020) Preprint 17 March 2021 Compiled using MNRAS LATEX style file v3.0 The morphology of the X-ray afterglows and of the jetted GeV emission in long GRBs R. Ruffini,1;2;5;7;14 R. Moradi,1;2;15? J. A. Rueda,1;2;4;8;16 L. Li,1;2;15 N. Sahakyan,1;6 Y.-C. Chen,1;2 Y. Wang,1;2;15 Y. Aimuratov,1;2;9 L. Becerra,1;2;17 C. L. Bianco,1;2;16 C. Cherubini,1;3;11 S. Filippi,1;3;10 M. Karlica,1;2 G. J. Mathews,1;12 M. Muccino,13 G. B. Pisani,1;2 and S. S. Xue1;2 1 ICRANet, Piazza della Repubblica 10, I-65122 Pescara, Italy 2 ICRA, Dipartimento di Fisica, Università di Roma “La Sapienza”, Piazzale Aldo Moro 5, I-00185 Roma, Italy 3 ICRA, University Campus Bio-Medico of Rome, Via Alvaro del Portillo 21, I-00128 Rome, Italy 4 ICRANet-Ferrara, Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Ferrara, Via Saragat 1, I–44122 Ferrara, Italy 5 ICRANet-Rio, Centro Brasileiro de Pesquisas Físicas, Rua Dr. Xavier Sigaud 150, 22290–180 Rio de Janeiro, Brazil 6 ICRANet-Armenia, Marshall Baghramian Avenue 24a, Yerevan 0019, Republic of Armenia 7 Université de Nice Sophia-Antipolis, Grand Château Parc Valrose, Nice, CEDEX 2, France 8 Dipartimento di Fisica e Scienze della Terra, Università degli Studi di Ferrara, Via Saragat 1, I–44122 Ferrara, Italy 9 Fesenkov Astrophysical Institute, Observatory 23, 050020 Almaty, Kazakhstan 10 Department of Engineering, University Campus Bio-Medico of Rome, Nonlinear Physics and Mathematical Modeling Lab, Via Alvaro del Portillo 21, 00128 Rome, Italy 11 Department of Science and Technology for Humans and the Environment and Nonlinear Physics and Mathematical Modeling Lab, University Campus Bio-Medico of Rome, Via Alvaro del Portillo 21, 00128 Rome, Italy 12 Center for Astrophysics, Department of Physics, University of Notre Dame, Notre Dame, IN, 46556, USA 13 Instituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati, I-00044 Frascati, Italy 14 INAF, Viale del Parco Mellini 84, 00136 Rome, Italy 15 INAF – Osservatorio Astronomico d’Abruzzo,Via M. -
Vatican Observatory N E W S L E T T
vatican observatory NEWSLETTER Spring 2012 embracing, encouraging and promoting scientific study VOF Honors Benefactors at Circles of Giving Awards Dinner DID YOU KNOW? German Jesuit Christoph Cla- vius’s viewing of the total solar eclipse of 1560 made him de- cide that astronomy would be his life's work? He went on to write numerous textbooks and Rich Friedrich and Peter Moore was the senior mathematician on Fr. DiUlio and Marianne Augustine of the Pacific Western Foundation the commission for the reform of On February 24, 2012, the Vatican Observatory Foundation honored friends and benefactors who have so the calendar in 1582. The Vatican generously supported the work of the Vatican Observatory over time. Each year as donors reach a certain Observatory Foundation rec- lifetime giving level, they achieve a Circle of Giving designation and are recognized and thanked publicly ognizes his contribution to the by the President and Board of Directors as well as their fellow benefactors and friends. Each Circle of Giv- field by welcoming benefactors of ing is named in honor of one of the exceptional individuals connected with astronomy, the Society of Jesus $10,000 to the Christoph Clavius and the Vatican Observatory. At this year’s dinner four honorees were present to receive awards from Circle of Giving. Foundation President Fr. Albert J. DiUlio, S.J., and Board Chairman, Richard J. Friedrich. They included Christoph Clavius Bill Ahmanson of The Ahmanson Foundation; Marianne Augustine; Peter Moore of the Pacific Western Foundation; and Dan Cracchiolo of The Steele Foundation, whose award was accepted by his sister, Rose Collins. -
Icranet Activities with Brazil
ICRANet activities with Brazil ICRANet-IRAP PhD Fellowships to Brazilian Students pp. 1-17 Part 1 CAPES-ICRANet Program I cycle – 2013-2016 Part 2 p. 19 2. a – IRAP Ph. D. Program pp. 21-27 2. b – Postdoctoral Program in Europe/Asia pp. 29-42 2. c – Postdoctoral Program in Brazil pp. 43-54 2. d – Senior Visitors in Brazil pp. 55-66 2. e – Senior Visitors in Europe/Asia pp. 67-78 0 1. ICRANet-IRAP PhD Fellowships to Brazilian Students index - de Barros, Gustavo 3 - Pereira, Jonas Pedro 7 - Sversut Arsioli, Bruno 11 - Gomes de Oliveira, Fernanda 15 - Maiolino, Tais 17 1 2 de Barros, Gustavo Position: IRAP PhD – Fifth Cycle, 2006-09 Current position: Professor Adjunto Centro Universitário da Zona Oeste – OEZO Publications: -) Patricelli, B.; Bernardini, M. G.; Bianco, C. L.; Caito, L.; de Barros, G.; Izzo, L.; Ruffini, R.; Vereshchagin, G. V.; “Analysis of GRB 080319B and GRB 050904 within the Fireshell Model: Evidence for a Broader Spectral Energy Distribution”; The Astrophysical Journal, 756 (2012), id. 16; DOI: 10.1088/0004- 637X/756/1/16 -) Bianco, C. L.; Amati, L.; Bernardini, M. G.; Caito, L.; De Barros, G.; Izzo, L.; Patricelli, B.; Ruffini, R.; “The class of ``disguised'' short GRBs and its implications for the Amati relation”; Memorie della Società Astronomica Italiana Supplement, 21 (2012), 139. -) Patricelli, B.; Bernardini, M. G.; Bianco, C. L.; Caito, L.; de Barros, G.; Izzo, L.; Ruffini, R.; Vereshchagin, G.; “High Energetic Gamma Ray Bursts and Their Spectral Properties Within the Fireshell Model”; International Journal of Modern Physics: Conference Series, 12 (2012), pp. -
A Proposed Italian Contribution to the Mirax Scientific Payload 51
IL NUOVO CIMENTO Vol. 34 C, N. 3 Maggio-Giugno 2011 DOI 10.1393/ncc/i2011-10867-0 Colloquia: Scineghe2010 A proposed Italian contribution to the MIRAX Scientific Payload L. Amati(1),M.Feroci(2),F.Frontera(3), C. Labanti(1),A.Vacchi(4), A. Argan(5), R. Campana(2),E.Costa(2), R. Ruffini(6), I. Bombaci(7), E. Del Monte(2), I. Donnarumma(2), A. Drago(3), Y. Evangelista(2), R. Farinelli(3), G. Ghirlanda(8),G.Ghisellini(8),C.Guidorzi(3), F. Fuschino(1), F. Lazzarotto(2), D. Lazzati(9),P.Malcovati(10), M. Marisaldi(1), E. Morelli(1),F.Muleri(2), M. Orlandini(1), L. Pacciani(2), E. Pian(11),M.Rapisarda(2),A.Rubini(2), R. Salvaterra(12), P. Soffitta(2), L. Titarchuk(3),A.Traci(1), A. Rashevsky(4),G.Zampa(4),N.Zampa(4), N. Auricchio(1),A.Basili(1),E.Caroli(1),E.Maiorano(1),N.Masetti(1), L. Nicastro(1), E. Palazzi(1),S.Silvestri(1), J. B. Stephen(1)andJ. Braga(13) (1) INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica - Bologna, Italy (2) INAF, Istituto di Astrofisica Spaziale e Fisica Cosmica - Rome, Italy (3) Universit`a di Ferrara - Ferrara, Italy (4) INFN, Sezione di Trieste - Trieste, Italy (5) INAF, sede centrale - Rome, Italy (6) International Center for Relativistic Astrophysics Network (ICRANet) - Pescara, Italy (7) Universit`adiPisa-Pisa,Italy (8) INAF, Osservatorio Astronomico di Brera - Merate, Italy (9) North Carolina State University - Raleigh, NC, USA (10) Universit`a di Pavia - Pavia, Italy (11) INAF, Osservatorio Astronomico di Trieste - Trieste, Italy (12) Universit`a dell’Insubria - Como, Italy (13) Instituto Nacional de Pesquisas Espaciais (INPE) - Sao Jos`e dos Campos, Brazil (ricevuto il 25 Febbraio 2011) Summary. -
Numerical Methods for Radiative and Ideal Relativistic Hydrodynamics Applied to the Study of Gamma-Ray Bursts
Numerical methods for radiative and ideal relativistic hydrodynamics applied to the study of gamma-ray bursts Julio David Melon Fuksman Department of Physics University of Rome “La Sapienza” This dissertation is submitted for the degree of Doctor of Philosophy IRAP PhD program Supervisor: Dr. Carlo L. Bianco September 2019 A Julio y Elena Acknowledgements I am obliged to express my gratitude towards a number of people who have helped me in different ways throughout the last three and a half years, making this work possible. First of all, I would like to thank the organizers of the IRAP PhD Program for the financial support throughout the time of my PhD. I also thank my advisor, Carlo L. Bianco, and Professors Jorge A. Rueda and Gregory V. Vereshchagin for their guidance and the many fruitful discussions we had. I thank the entire staff of Sapienza and ICRANet, in particular Cinzia Di Niccolo, Federica Di Berardino, Cristina Adamo, Silvia Latorre, Gabriele A. Brandolini, and Elisabetta Natale, for being so helpful and kind to me ever since my arrival in Pescara. I would like to thank all of the members of the Thesis Comittee and the external evaluators for aiding me in the final stage of my PhD by taking the time to read this thesis and express their judgement. Among the scientists I have met since I arrived in Italy, I must especially mention Andrea Mignone. I am indebted to you for welcoming my interest to work together and consistently trusting it would lead to a good place. Above all, however, I thank you deeply for your support in the last year, and for always finding some time to talk when I needed advice. -
Ccjun12-Cover Vb.Indd
CERN Courier June 2012 Faces & Places I NDUSTRY CERN supports new centre for business incubation in the UK To bridge the gap between basic science and industry, CERN and the Science and Technology Facilities Council (STFC) have launched a new business-incubation centre in the UK. The centre will support businesses and entrepreneurs to take innovative technologies related to high-energy physics from technical concept to market reality. The centre, at STFC’s Daresbury Science and Innovation Campus, follows the success of a business-incubation centre at the STFC’s Harwell campus, which has run for 10 years with the support of the European Space Agency (ESA). The ESA Business Incubation Centre (ESA BIC) supports entrepreneurs and hi-tech start-up companies to translate space technologies, applications and services into viable nonspace-related business ideas. The CERN-STFC BIC will nurture innovative ideas based on technologies developed at CERN, with a direct contribution from CERN in terms of expertise. The centre is managed by STFC Innovations Limited, the technology-transfer office of STFC, which will provide John Womersley, CEO of STFC, left, and Steve Myers, CERN’s director of accelerators and successful applicants with entrepreneurial technology, at the launch of the CERN-STFC Business Incubation Centre on the Daresbury support, including a dedicated business Science and Innovation Campus. (Image credit: STFC.) champion to help with business planning, accompanied technical visits to CERN as business expertise from STFC and CERN. total funding of up to £40,000 per company, well as access to scientific, technical and The selected projects will also receive a provided by STFC. -
On the Dynamics of the General Bianchi IX Spacetime Near the Singularity
On the dynamics of the general Bianchi IX spacetime near the singularity Claus Kiefer,1, ∗ Nick Kwidzinski,1, y and W lodzimierz Piechocki2, z 1Institute for Theoretical Physics, University of Cologne, Z¨ulpicherStrasse 77, 50937 K¨oln,Germany 2Department of Fundamental Research, National Centre for Nuclear Research, Ho_za 69, 00-681 Warszawa, Poland (Dated: September 6, 2018) Abstract We show that the complex dynamics of the general Bianchi IX universe in the vicinity of the spacelike singularity can be approximated by a simplified system of equations. Our analysis is mainly based on numerical simulations. The properties of the solution space can be studied by using this simplified dynamics. Our results will be useful for the quantization of the general Bianchi IX model. PACS numbers: 04.20.-q, 05.45.-a arXiv:1807.06261v2 [gr-qc] 5 Sep 2018 ∗ [email protected] y [email protected] z [email protected] Typeset by REVTEX 1 I. INTRODUCTION The problem of spacetime singularities is a central one in classical and quantum theories of gravity. Given some general conditions, it was proven that general rel- ativity leads to singularities, among which special significance is attributed to big bang and black hole singularities [1]. The occurrence of a singularity in a physical theory usually signals the breakdown of that theory. In the case of general relativity, the expectation is that its singularities will disappear after quantization. Although a theory of quantum gravity is not yet available in finite form, various approaches exist within which the question of singularity avoidance can be addressed [2]. -
On the Occasion of the 14Th Marcel Grossmann Meeting
ICRANet on the occasion of the 14 th Marcel Grossmann Meeting – MGXIV in celebration of the International Year of Light 2015 the 100 th anniversary of the Einstein’s equations the golden jubilee of Relativistic Astrophysics The ICRANet Seats The University of Rome “La Sapienza” where the Physics Department hosts the ICRANet ICRANet Headquarters in Pescara (Italy). seat in Rome (Italy). ICRANet seat in Nice (France). National Academy of Sciences of Armenia, which hosts the ICRANet seat in Yerevan (Armenia). (Above:) CBPF, which hosts the ICRANet seat in Rio de Janeiro. (Below:) The planned seat at Cassino da Urca (Brazil). II This brochure reviews some background facts concerning the founding of ICRANet and its current structures and then turns to the 2015 celebrations of the Year of Light and the ICRANet initiated International Relativistic Astrophysics Ph.D. program (the IRAP-PhD). It then addresses the birth of relativistic astrophysics following the first fifty years of the existence of general relativity plagued mainly by the absence of observational or experimental activity. Four events marked the onset of relativistic astrophysics: the discovery by Schmidt of the first quasar in 1962, of Scorpius X1 by Riccardo Giacconi in 1963, of the cosmic background radiation by Penzias and Wilson in 1964, and of pulsars by Jocelyn-Bell and Antony Hewish in 1967. These events led to a systematic development of the understanding of the four pillars of relativistic astrophysics: supernovae where observations of the CRAB Nebula are still relevant today, white dwarfs and neutron stars, black holes and their first identification in Nature in Cygnus X1 found by Riccardo Giacconi with the UHURU satellite based on the conceptual background developed by our group in Princeton, and finally the discovery of gamma ray bursts as the largest energy source delivered in the shortest time of any astrophysical phenomenon. -
Rueda Hernández, Jorge Armando
Rueda Hernández, Jorge Armando Position: Faculty Professor at ICRANet Member of ICRANet Faculty IRAP PhD Faculty Period covered: 2011-Present I Scientific Work I perform research in the following topics: • Nuclear and atomic astrophysics. • Physics and astrophysics of white dwarfs and neutron stars. • Radiation mechanisms of white dwarfs and neutron stars. • Gamma-ray busts theory. • Accretion disks, hypercritical accretion processes. • Neutrino emission from astrophysical sources. • Gravitational waves. • Exact solutions of the Einstein and Einstein-Maxwell equations in astrophysics. • Critical electromagnetic fields and non-linear electrodynamics effects in astrophysics. • Distribution of dark matter in galaxies and cosmological implications. II Conferences and educational activities II a Conferences and Other External Scientific Work In the year 2017 I presented lectures/talks in the following conferences/meetings/workshops: • “Fifth Bego Rencontre”, IRAP Ph.D. Erasmus Mundus School, 15-19 May 2017, Nice (France). • “The 2017 Annual meeting of the Division of Gravitation and Relativistic Astrophysics of the Chinese Physical Society”,25-30 June 2017, Chengdu (China). • “The Fifth Galileo-Xu Guangqi Meeting”,25-30 June 2017, Chengdu (China). • “XIII International Conference on Gravitation, Astrophysics and Cosmology”, 3-7 July 2017, Seoul (South Korea). • “15th Italian-Korean Symposium on Relativistic Astrophysics”, 3-7 July 2017, Seoul (South Korea). • “Vida después de la muerte: Estrellas de neutrones y las explosiones más potentes del Universo”, Invited Talk for the High School Instituto Antonino Nariño, 12 Septemer 2017, Barrancabermeja (Colombia) • “9th European Summer School on Experimental Nuclear Astrophysics”, 17-24 September 2017, Santa Tecla (Italy). • “La notte europea dei ricercatori”, 29 September 2017, Pescara (Italy). • “Theseus Workshop”, 5-6 October 2017, Naples (Italy). -
Icranet Scientific Report 2008
Early Cosmology and Fundamental General Relativity Contents 1 Topics 1215 2 Participants 1217 2.1 ICRANet participants . 1217 2.2 Past collaborations . 1217 2.3 Ongoing Collaborations . 1217 2.4 Graduate Students . 1217 3 Brief Description 1219 3.1 Highlights in Early Cosmology and Fundamental General Rel- ativity . 1219 3.1.1 Dissipative Cosmology . 1219 3.1.2 On the Jeans instability of gravitational perturbations . 1219 3.1.3 Extended Theories of Gravity . 1220 3.1.4 Coupling between Spin and Gravitational Waves . 1221 3.2 Appendix: The Generic Cosmological Solution . 1221 3.3 Appendix: Classical Mixmaster . 1221 3.4 Appendix: Interaction of neutrinos and primordial GW . 1223 3.5 Appendix: Perturbation Theory in Macroscopic Gravity . 1224 3.6 Appendix: Schouten’s Classification . 1224 3.7 Appendix: Inhomogeneous spaces and Entropy . 1225 3.8 Appendix: Polarization in GR . 1225 3.9 Appendix: Averaging Problem in Cosmology and Gravity . 1226 3.10 Appendix: Astrophysical Topics . 1227 4 Selected Publications Before 2005 1229 4.1 Early Cosmology . 1229 4.2 Fundamental General Relativity . 1233 5 Selected Publications (2005-2008) 1239 5.1 Early Cosmology . 1239 H.1Dissipative Cosmology 1245 H.2On the Jeans instability of gravitational perturbations 1251 H.3Extended Theories of Gravity 1257 1213 Contents H.4Coupling between Spin and Gravitational Waves 1261 H.5Activities 1263 H.5.1Review Work . 1263 H.5.1.1Classical and Quantum Features of the Mixmaster Sin- gularity . 1263 A.1Birth and Development of the Generic Cosmological Solution 1267 A.2Appendix: Classical Mixmaster 1271 A.2.1Chaos covariance of the Mixmaster model . 1271 A.2.2Chaos covariance of the generic cosmological solution . -
Zeldovich-100 Meeting Subatomic Particles, Nucleons, Atoms, Universe: Processes and Structure
Zeldovich-100 Meeting Subatomic particles, Nucleons, Atoms, Universe: Processes and Structure International conference in honor of Ya. B. Zeldovich 100th Anniversary March 10–14, 2014 Minsk, Belarus Yakov Borisovich Zeldovich Short biography of Ya.B. Zeldovich Born on March 8, 1914 in Minsk. Died on December 2, 1987 in Moscow. Father Zeldovich Boris Naumovich, lawyer, member of So- vier Advocate Collegia; Mother Zeldovich (Kiveliovich) Anna Petrovna, translator, member of Soviet Writers Union. Since middle of 1914 to August 1941 lived in Petrograd (later Leningrad), up to summer of 1943 in Kazan, since 1943 in Moscow. In 1924 entered secondary school right away to the 3rd form, finished the school in 1930. From autumn 1930 till May 1931 he studied at the courses and worked as a laboratory assistant at the Institute of Mechanical processing of minerals. In May 1931 became a laboratory assistant at the Institute of Chemical Physics of the Academy of Science of the USSR (ICP). He was connected with this Institute till his very last days. As he began to work in the ICF without higher education, he spend much time to self-education. From 1932 till 1934 studied as a extra-mural student at the Phys-Math department of the Leningrad State University, but didn’t recieved any degree there. Later listened lectures at the Phys-Mech department of the Poly- technical Institute. In 1934 joined ICF as a post-graduate student, in 1936 received PhD degree, in 1939 received degree of doctor of science (phys- math science). From 1938 he was a head of a laboratory at the ICF. -
Early Cosmology and Fundamental General Relativity
EARLY COSMOLOGY AND FUNDAMENTAL GENERAL RELATIVITY 734 Contents 1 Topics 737 2 Participants 738 2.1 ICRANet participants . 738 2.2 Past collaborations . 738 2.3 Ongoing Collaborations . 738 2.4 GraduateStudents . .738 3 Brief description of Early Cosmology 739 3.1 Birth and Development of the Generic Cosmological Solution . 739 3.2 Classical Mixmaster . 739 3.2.1 Chaos covariance of the Mixmaster model . 739 3.2.2 Chaos covariance of the generic cosmological solution . 740 3.2.3 Inhomogeneous inflationary models . 740 3.2.4 The Role of a Vector Field . 740 3.3 Dissipative Cosmology . 741 3.4 Extended Theories of Gravity . 741 3.5 Interaction of neutrinos and primordial GW . 742 3.6 Coupling between Spin and Gravitational Waves . 743 4 Brief Description of Fundamental General Relativity 744 4.1 Perturbation Theory in Macroscopic Gravity . 744 4.2 Schouten’s Classification . 745 4.3 Inhomogeneous spaces and Entropy . 745 4.4 PolarizationinGR . .746 4.5 Averaging Problem in Cosmology and Gravity . 747 4.6 Astrophysical Topics . 747 5 Selected Publications 748 5.1 EarlyCosmology .........................748 5.2 Fundamental General Relativity . 754 735 6 APPENDICES 760 A Early Cosmology 761 A.1 Birth and Development of the Generic Cosmological Solution . 762 A.2 ClassicalMixmaster. .765 A.2.1 Chaos covariance of the Mixmaster model . 765 A.2.2 Chaos covariance of the generic cosmological solution . 766 A.2.3 Inhomogeneous inflationary models . 767 A.2.4 The Role of a Vector Field . 768 A.3 Dissipative Cosmology . 770 A.4 Extended Theories of Gravity . 774 A.5 Interaction of neutrinos and primordial GW .