arXiv subjects

Armando Barrañón

Publications and source records attributed to Armando Barrañón.

5 recordsLinked to original sources

arXiv2005

A HIC Primitive Spinodal Decomposition Signature

Evidence of a primitive spinodal decomposition has been obtained for central Ni+Ni Heavy Ion Collision, since higher order charge correlations show a peak when four fragments of size equal to 6 are produced with an excitation of 4.75 MeV. This can be considered as a signature of a primitive breakup in equal sized fragments with a privileged fragment size. This computational result confirms other experimental and theoretical evidences about spinodal decompostion in HIC.

nucl-th↗

arXiv2004

Copernican Cosmography in the First Mexican Physics Treatise

Copernican Cosmography was used to discover the path linking Cebu islands and Acapulco via Kuro-Shivo Stream, as registered in Physica Speculatio, first physics book written in New Spain. Teaching and practice of Copernican theory were an outcome of both Spanish expansion into the Pacific Ocean and native elite instruction devised by Augustinian friars. Copernican cosmography was explained in Physica Speculatio's first edition in addition to the reference given by Alonso de la Veracruz about the use of Copernican theory to detect Pacific Islands in Physica Speculatio's Fourth edition. Also, Veracroce standpoint about the differences between physics and mathematics is discussed in terms of its relation to the rejection of the Copernican Theory as a Natural Theory.

physics.hist-ph↗

arXiv2004

Percolation of New Product Critical Market Penetration

A simulation of new product market penetration in a social environment is performed, using a spintronic model, where each element of a 3D network interacts with its first neighbors. Agents are assumed to be rational, with a perfect market foresight. Unitary production cost decreases when consumption is increased. Simulations indicate that social interaction is the most important factor for new product market penetration as compared to the consumer readiness to pay a higher price. Besides the critical exponent of the nucleation of new consumers is computed, signing a phase transition characterized by the build up of new consumers intermediate clusters and this critical exponent is compared to others belonging to several critical phenomena.

nlin.AO↗

arXiv2004

Relaxation, Emission Modes and Limit Temperatures in Ni+Ni HIC

A dynamical stability analysis is performed for Ni+Ni central collision at intermediate energies, showing that in chemical, thermal and dynamical equilibriums are reached at an early stage of system evolution. This is obtained by computing the relaxation times of the quadrupole momentum, speed of sound and electric charge density of the system. This way, fragment emission modes at low and high energies as well as the qualitative behavior of the limit temperatures are determined.

nucl-th↗

arXiv2001

A Natural Concept of Image in the Physics of fr. Alonso de la Veracruz

Alonso de la Veracruz conducted a physical study of image, regarding the activities of Soul in which image is produced, as organic operations. This research was particularly important since, at that time, image was systematically used to propagate the European culture in New Spain. Besides, Alonso uses the visual radius to criticize the magical attitude popular in Renaissance, denying the far sight and fascinations abilities attributed to witches. Also, Alonso Gutiérrez applies the Aristotelian physics to deny the healing powers attributed to the kings of France and England, secularizing this way the gallic monarchies, and several other superstitions of that time. This way, the physics of image developed by Alonso can be considered as close to the rationalism of Descartes inasmuch as Gutiérrez criticizes the magical view of Renaissance and introduces geometrical elements to elucidate physical problems.

physics.hist-ph↗