Hydrodynamic Modes of a holographic p−p- wave superfluid

In this work we analyze the hydrodynamics of a $p-$ wave superfluid on its strongly coupled regime by considering its holographic description. We obtain the poles of the retarded Green function through the computation of the quasi-normal modes of the dual AdS black hole background finding diffusive, pseudo-diffusive and sound modes. For the sound modes we compute the speed of sound and its attenuation as function of the temperature. For the diffusive and pseudo-diffusive modes we find that they acquire a non-zero real part at certain finite momentum.Comment: 16 pag., 6 fig. Reference added. Minor corrections. Version accepted for publication in JHE

Backreacting p-wave Superconductors

We study the gravitational backreaction of the non-abelian gauge field on the gravity dual to a 2+1 p-wave superconductor. We observe that as in the $p+ip$ system a second order phase transition exists between a superconducting and a normal state. Moreover, we conclude that, below the phase transition temperature $T_c$ the lowest free energy is achieved by the p-wave solution. In order to probe the solution, we compute the holographic entanglement entropy. For both $p$ and $p+ip$ systems the entanglement entropy satisfies an area law. For any given entangling surface, the p-wave superconductor has lower entanglement entropy.Comment: Minor Typos corrected, version published in JHE

Las ventajas y desventajas de fusionar las empresas del estado colombiano

Sin lugar a dudas el mayor beneficiado con las fusiones de las empresas del estado colombiano, es este mismo, son validas las figuras de las crisis económicas de las empresas fusionadas, así como la ineficiencia administrativa de las mismas, no obstante la fusión tiene sus beneficios como es el resurgimiento de nuevas empresas, donde el estado puede rectificar los errores cometidos en el pasado, se analizo un caso práctico de la vida real que contextualiza al lector en la comprensión del significado de las empresas fusionadasWithout doubt the major benefitted with the fusions of the companies of the Colombian State, is this same one, are been worth the figures of the economic crises of the fused companies, as well as the administrative inefficiency of the same, despite the fusion has its benefits as it is the resurgence of new companies, where the State can rectify the errors committed in the past, I analyze a practical case of the real life that it contextualises to the reader in the understanding of the meaning of the fused companie

The Critique to the Modern Natural Law in Hegel's Philosophy

Las dos vertientes desarrolladas por el Derecho natural en la modernidad son asumidas por el filósofo alemán G. W. F. Hegel de manera crítica, al desmontar, por un lado, las inconsistencias del Derecho empírico y, por otro, las insuficiencias del Derecho formal. Con esta crítica se establece un punto que es esencial para la comprensión del devenir del iusnaturalismo moderno y, al mismo tiempo, el lugar que ocupa éste en el pensamiento de Hegel, pues con ello se puede entender la organización de la completa arquitectura que tendrá la madura Filosofía del derecho como, a la vez, el lugar y la importancia que tiene ésta en el desarrollo general del Derecho natural.The two tendencies developed by Natural Law Theory in the Modernity were critically assumed by the German philosopher G. W. F. Hegel, by deconstructing, on the one hand, the inconsistencies of theempirical Natural Law, and on the other hand, the insufficiencies of the formal Law. Thanks to this critique it is achieved a crucial point of view to understand the development of modern European Natural Law, and, at the same time, the place that it occupies in Hegel’s thought. Indeed, thanks to it we can understand both the organization of the complete architecture of his mature Philosophy of Law and the relevance that it has within the general development of the Natural Law Theory

Ostectomía en cuña para el manejo quirúrgico de la deformidad angular radio-ulnar distal

Angular deformities of the forelimb are relatively common problems in dogs. At an early age, these are typically originated by traumatism that cause premature closure of the distal forearms growth plates. These growth deformities are characterized by a combination of antebrachial length deficit, angular and rotational malalignment, elbow incongruity, and carpal subluxation. Many surgical techniques and preoperative planning methods have been described to correct these deformities. In this case study, the use of a meticulous pre-planning, measurement of the degree of lateral deviation of the distal radial epiphysis and established the shape, location and depth of the wedge segment that was going to be removed to achieve alignment of the forearm in orthogonal radiographs, allowed a successful surgical resolution of the case with a return to function of the affected forelimb.    Las deformidades angulares de las extremidades anteriores son problemas relativamente frecuentes en los perros. A temprana edad, éstas son causadas normalmente por golpes que producen un cierre prematuro de las fisis de crecimiento del antebrazo distal. Estas deformidades del crecimiento se caracterizan por una combinación de deficiencias en la longitud del antebrazo, mala alineación angular y rotacional, incongruencia del codo y la subluxación del carpo. Muchas técnicas quirúrgicas y métodos de planificación preoperatorios se han descrito para corregir estas deformidades. En éste caso, que se comunica aquí, se realizó una acuciosa planificación previa, con la medición de los grados de desviación lateral de la epífisis distal del radio y se estableció la forma, ubicación y profundidad del segmento en cuña que se removería para lograr la alineación del antebrazo, utilizando radiografías ortogonales del miembro anterior derecho en proyecciones medio-lateral y cráneo-caudal. Estas permitieron una resolución quirúrgica satisfactoria del caso con una vuelta a la función del miembro afectado.  

Diferencia entre los sistemas lógico-racionales y narrativo-históricos en las "Edades del Mundo"

With the "Age of the World" (1811) Schelling begins to reestablish his philosophy and he distances himself from the lines of thought prior to this period. He rejects a logical deduction of the principals of philosophy to give way to the inclusion of mobile principals that constitute the beginning of a new way of understanding philosophy, since it is no longer a rational construction parting from principles, but rather a narration of the take off of such principles in history.Con las "Edades del Mundo" de 1811 Schelling comienza la reelaboración de su filosofía y se distancia del pensamiento de la época que precede dicho escrito. El rechazo a una deducción lógica de los principios de la filosofía para dar paso a la inserción de principios móviles constituirá el inicio de una nueva manera de entender la filosofía, ya no como una construcción racional a partir de principios, sino como narración del despliegue de tales principios en la historia

Pathological axes of wound repair: Gastrulation revisited

Post-traumatic inflammation is formed by molecular and cellular complex mechanisms whose final goal seems to be injured tissue regeneration

Cancer cell: using inflammation to invade the host

BACKGROUND: Inflammation is increasingly recognized as an important component of tumorigenesis, although the mechanisms involved are not fully characterized. The invasive capacity of cancers is reflected in the classic metastatic cascade: tumor (T), node (N) and metastasis (M). However, this staging system for cancer would also have a tumoral biological significance. PRESENTATION OF THE HYPOTHESIS: To integrate the mechanisms that control the inflammatory response in the actual staging system of cancer. It is considered that in both processes of inflammation and cancer, three successive phenotypes are presented that represent the expression of trophic functional systems of increasing metabolic complexity for using oxygen. TESTING THE HYPOTHESIS: While a malignant tumor develops it express phenotypes that also share the inflammatory response such as: an ischemic phenotype (anoxic-hypoxic), a leukocytic phenotype with anaerobic glycolysis and migration, and an angiogenic phenotype with hyperactivity of glycolytic enzymes, tumor proliferation and metastasis, and cachexia of the host. The increasing metabolic complexity of the tumor cell to use oxygen allows for it to be released, migrate and proliferate, thus creating structures of growing complexity. IMPLICATION OF THE HYPOTHESIS: One aim of cancer gene therapy could be the induction of oxidative phosphorylation, the last metabolic step required by inflammation in order to differentiate the tissue that it produces

Surgical inflammation: a pathophysiological rainbow

Tetrapyrrole molecules are distributed in virtually all living organisms on Earth. In mammals, tetrapyrrole end products are closely linked to oxygen metabolism. Since increasingly complex trophic functional systems for using oxygen are considered in the post-traumatic inflammatory response, it can be suggested that tetrapyrrole molecules and, particularly their derived pigments, play a key role in modulating inflammation