El Coloquio de Física y Matemáticas se lleva a cabo los jueves a las 12:00 pm, en el Auditorio de la Facultad de Ciencias.

 8 de noviembre

To be announced

Terrance Figy
Wichita State University

25 de octubre

To be announced

Can Kilic
University of Texas at Austin

18 de octubre

To be announced

Ayres Freitas
University of Pittsburgh

27 de septiembre

To be announced

Jeffrey Schenker
Michigan State University

20 de septiembre

The XYZ Affair: Tales of the Third (and Fourth) Hadrons

Richard Lebed
Arizona State University

16 de agosto

String Theory and the Quantum Universe

Gary Shiu
University of Wisconsin-Madison

Abstract: Physics thrives on crisis. Resolving the conflicts between existing paradigms often bring new insights that transform our understanding of the laws of Nature. I will explain why the current paradigms of fundamental physics – quantum mechanics which governs the physics of the very small, and relativity which governs the physics of the very large – are in conflict with each other. These conflicts arise in physical situations such as the physics of black holes and the beginning of the universe. String theory is currently the most developed framework in reconciling quantum physics with gravity. I will discuss how string theory drastically changes our views of space, time, and matter. I will also illustrate how string theoretical ideas can be tested through particle physics experiments and cosmological observations.

2 de agosto

The Mysterious Dark Matter and Dark Energy in our Cosmos

Douglas Singleton
California State University, Fresno

Resumen: Based on observation there is a consensus that two of the major components of the Cosmos are “dark” — they do not interact with ordinary matter to any large degree and are known only through their gravitational effects. The understanding of these two mysterious components, dubbed dark matter and dark energy, is one of the major goals of fundamental physics. In this talk I present some basic properties of these two dark components and give some of the history behind their discovery.

15 de junio, 3:00 pm

The Higgs Boson and New Physics at the Large Hadron Collider

Ian Lewis
University of Kansas

Abstract: The Large Hadron Collider (LHC) presents us with a unique opportunity to explore the fundamental theory of nature. The first run of the LHC was very successful, culminating in the discovery of a Higgs boson. With the LHC now running at a higher energy more discoveries are highly anticipated. In this talk, I will review the importance of the Higgs discovery and its relationship to additional new physics. In particular, I will focus on how precise measurements of Higgs boson processes can shed light on the building blocks of our universe.

Plática (PDF): IL_Colima_2018

7 de junio

Ecuaciones diofantinas

Victoria Cantoral Farfán

3 de mayo

De la geometría riemanniana al análisis geométrico

Raquel Perales
UNAM, Oaxaca

Resumen: A finales del siglo XX y principios del XXI surgió la noción de variedad. Apareció entonces la geometría diferencial y, en particular, la geometría riemanniana. En sus aproximadamente cien años ha dado muchos resultados; entre ellos, conjeturas famosas que han podido ser demostradas. La herramienta que la geometría riemanniana empezó ha usar cada vez más fue el análisis. Así nació el análisis geométrico. El propósito de esta platica es mostrar ejemplos de estos sucesos historico-matemáticos, incluyendo parte de mi investigación.

19 de abril

Resolving the Mysteries of the Universe with Neutrinos and Mineral Oil

Szymon Manecki
Queen’s University

Abstract: From the very beginning of its proposal back in 1930 by Wolfgang Pauli, a neutrino has been an elusive particle. Nonetheless, it has been found to be the key to a better understanding of not only the Sun, but perhaps even the origin of matter in the Universe.

The organic liquid scintillator technology has been successfully used in the past for neutrino searches where sensitivity to low energies, as well as real-time and energy information, are required. The most prominent examples of this application are utilized in the studies of solar neutrinos, as well as geological and reactor anti-neutrinos around the world. In many cases, the signal from these rare events can be enhanced by mixing in various isotopes that can act as an additional target for neutrino interactions in the active liquid of the detector. When this target is selected to become a source of the signal itself, it can open up an entirely new area of physics to investigate.

In this presentation, I will introduce the history of neutrinos and then focus on the application of metal loaded liquid scintillator technology along with the impact of the SNO+ project on the field of rare neutrino interactions.

12 de abril

Neutrinos de Dirac con sabor

César Bonilla
Technische Universität München

Resumen: En esta charla mencionaremos algunos de los problemas abiertos en física de neutrinos, como el problema de sabor. En particular hablaremos de la posibilidad de que los neutrinos no sean su misma antipartícula y de las consecuencias fenomenológicas.

15 de marzo

Crecer o no crecer: comportamiento termomagnético de αs

Alejandro Ayala

Resumen: Las propiedades de la materia fuertemente interactuante a temperatura finita y en un medio magnetizado han sido objeto de interés reciente, principalmente debido al descubrimiento del fenómeno conocido como “catálisis magnética inversa”. Este fenómeno consiste en el decrecimiento de la temperatura de transición quiral y del incremento en la intensidad del condensado de quarks como función de la intensidad del campo magnético. En esta charla haré un resumen de resultados recientes que parecen indicar que tal efecto se debe a las propiedades de la constante fuerte cuando se considera su dependencia térmica y magnética.

18 de febrero

Lentes magnéticas para dirigir partículas

Natalia Tene, Brenda Gómez y Diego Radillo
Estudiantes de la Licenciatura en Física
Facultad de Ciencias

Resumen: Un equipo de investigación está trabajando en un prototipo de propulsor de iones de xenón y se encuentran con el problema de que los iones salen de éste con un rango amplio de ángulos. Nosotros extendemos la propuesta de utilizar un campo magnético para dirigir las velocidades de los iones a una dirección más uniforme antes de salir del propulsor. Para conseguir esto diseñamos un dispositivo que alinea las trayectorias de los iones por medio de aplicar los principios de las lentes magnéticas.

8 de febrero

Nuclear matter under extreme conditions: the MExNICA initiative

Maria Elena Tejeda Yeomans
Facultad de Ciencias

Abstract: We are made of nuclear matter under “ordinary” conditions and we are surrounded by stars that are made of nuclear matter under “extreme” conditions. In this case “ordinary” and “extreme” refer to the different conditions of density, temperature and other external agents, under which the extraordinary behaviour of nuclear matter can be studied. Recent experiments allow for the study of quarks and gluons in the nucleons under these conditions, and amazingly enough, with these experiments we can also learn about the conditions that prevailed when the Universe was very young. In this talk I will start by telling you about the studies of nuclear matter under extreme conditions for different physical systems, focusing on the new theoretical tools that have been developed to characterize the quark-gluon plasma and presenting the phenomenological landscape in the phase diagram of nuclear matter. Next, I will present some of the challenges and opportunities to study nuclear matter under extreme conditions using the Multi-Purpose Detector (MPD) at the Nuclotron-based Ion Collider fAcility (NICA) which is located at the Joint Institute for Nuclear Research (JINR), in Dubna, Rusia. Finally, I will summarize the theoretical and experimental advances and plans made by the MExNICA collaboration in this area.

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