I COSMOSUL: COSMOLOGY AND GRAVITATION IN THE SOUTHERN CONE Rio de Janeiro, Brazil 1-5 August 2011 EDITORS Jailson Alcaniz Observatório Nacional, Rio de Janeiro - RJ, Brazil Saulo Carneiro Universidade Federal da Bahia, Salvador - BA, Brazil Luis P. Chimento Universidad de Buenos Aires, Buenos Aires, Argentina Sérgio del Campo Pontificia Universidad Católica de Valparaíso, Valparaíso, Chile Júlio C. Fabris Universidade Federal do Espírito Santo, Vitória - ES, Brazil J. A. S. Lima Universidade de São Paulo, São Paulo - SP, Brazil Winfried Zimdahl Universidade Federal do Espírito Santo, Vitória - ES, Brazil SPONSORING ORGANIZATIONS MCTI – Ministry of Science, Technology and Innovation – Brazil INEspaço National Observatory CNPq CAPES Melville, New York, 2012 AIP | CONFERENCE PROCEEDINGS 1471 Editors Jailson Alcaniz Departamento de Astronomia Observatório Nacional 20921-400 Rio de Janeiro – RJ Brazil E-mail: [email protected] Saulo Carneiro Instituto de Física Universidade Federal da Bahia 40210-340, Salvador – BA Brazil E-mail: [email protected] Luis P. Chimento Departamento de Física Universidad de Buenos Aires 1428 Buenos Aires Argentina Júlio C. Fabris Departamento de Física Universidade Federal do Espírito Santo 29060-900, Vitória – ES Brazil E-mail: [email protected] J. A. S. Lima Departamento de Astronomia Universidade de São Paulo 05508-090, São Paulo – SP Brazil E-mail: [email protected] Winfried Zimdahl Departamento de Física Universidade Federal do Espírito Santo 29060-900, Vitória – ES Brazil E-mail: [email protected] E-mail: [email protected] Sérgio del Campo Instituto de Física Pontificia Universidad Católica de Valparaíso Valparaíso Chile E-mail: [email protected] Authorization to photocopy items for internal or personal use, beyond the free copying permitted under the 1978 U.S. Copyright Law (see statement below), is granted by the American Institute of Physics for users registered with the Copyright Clearance Center (CCC) Transactional Reporting Service, provided that the base fee of $30.00 per copy is paid directly to CCC, 222 Rosewood Drive, Danvers, MA 01923, USA: http://www.copyright.com. For those organizations that have been granted a photocopy license by CCC, a separate system of payment has been arranged. The fee code for users of the Transactional Reporting Services is: 978-0-7354-1078-7/12/$30.00 © 2012 American Institute of Physics No claim is made to original U.S. Government works. Permission is granted to quote from the AIP Conference Proceedings with the customary acknowledgment of the source. Republication of an article or portions thereof (e.g., extensive excerpts, figures, tables, etc.) in original form or in translation, as well as other types of reuse (e.g., in course packs) require formal permission from AIP and may be subject to fees. As a courtesy, the author of the original proceedings article should be informed of any request for republication/reuse. Permission may be obtained online using RightsLink. Locate the article online at http://proceedings.aip.org, then simply click on the RightsLink icon/“Permissions/Reprints” link found in the article abstract. You may also address requests to: AIP Office of Rights and Permissions, Suite 1NO1, 2 Huntington Quadrangle, Melville, NY 11747-4502, USA; Fax: 516-576-2450; Tel.: 516-576-2268; E-mail: [email protected]. ISBN 978-0-7354-1078-72ULJLQDO3ULQW ISSN 0094-243X Printed in the United States of America AIP Conference Proceedings, Volume 1471 I CosmoSul: Cosmology and Gravitation in the Southern Cone Table of Contents Preface Jailson Alcaniz 1 CosmoSul Photo 2 Investigating the transition from cosmic deceleration to acceleration I. Waga, M. O. Calvão, R. Giostri, S. E. Jorás, B. L. Lago, R. R. R. Reis, and M. Vargas dos Santos 3 Baryons in the universe from cosmological simulations F. Durier and J. A. de Freitas Pacheco 10 Reflections on cosmology: An outsider's point of view Adolfo Toloza and Jorge Zanelli 16 Cosmology with large galaxy redshift surveys Laerte Sodré Jr. 22 Exact solutions in inflation Sérgio del Campo 27 Exactly solved models of interacting dark matter and dark energy Luis P. Chimento 30 Holographic dark energy linearly interacting with dark matter Luis P. Chimento, Mónica I. Forte, and Martín G. Richarte 39 Dark matter and Ricci-like holographic dark energy coupled through a quadratic interaction Luis P. Chimento and Martín G. Richarte 45 Models of interacting dark energy W. Zimdahl 51 Scalar models for the unification of the dark sector Mahamadou H. Daouda, Júlio C. Fabris, and Oliver F. Piattella 57 Inflation driven by particle creation Saulo Carneiro 61 Dynamical system analysis for interacting dark energy Fabiola Arévalo, Anna Paula Ramos Bacalhau, and Winfried Zimdahl 66 v Measuring the dark matter equation of state and its cosmological consequences Mariano Javier de León Domínguez Romero and Andrés Nicolás Ruiz 70 Trying to light dark matter Emanuel Gallo and Osvaldo M. Moreschi 75 Explicit expressions for optical scalars in gravitational lensing from general matter sources Emanuel Gallo and Osvaldo M. Moreschi 82 Step potentials for dark energy Víctor H. Cárdenas and Marco Rivera 88 Delta gravity and the large scale acceleration of the universe Jorge Alfaro 93 Disk and elliptical galaxies within renormalization group improved gravity Davi C. Rodrigues, Paulo L. C. de Oliveira, Júlio C. Fabris, and Ilya L. Shapiro 98 f(R) and f(T) theories of modified gravity Rafael Ferraro 103 Palatini approach to modified f(R) gravity and its bi-metric structure Janilo Santos and Crislane de Souza Santos 111 Intermediate inflation in the Jordan-Brans-Dicke theory Antonella Cid and Sérgio del Campo 114 Dirac matrices for Chern-Simons gravity Fernando Izaurieta, Ricardo Ramírez, and Eduardo Rodríguez 118 Regular isolated black holes Carlos Kozameh, Osvaldo M. Moreschi, and Alejandro Perez 124 Author Index 128 vi
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