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Hace 5 días · Niels Henrik David Bohr Niels Henrik David Bohr fue un físico Danés que ayudó en la comprensión del átomo y la mecanica cuántica. En el año de 1913, Niels propuso su modelo atómico donde explicaba la estabilidad de los electrones. Ganando así, un premio nobel en física en 1922.
Hace 2 días · Desde Demócrito hasta Bohr se introdujeron elementos al atomismo. El modelo atómico de Demócrito sobrevivió hasta finales del siglo XVIII, momento en el cual se produce una renovación de la filosofía natural. Se suma a ello la revolución científica de la época moderna.
Hace 5 días · At the Niels Bohr Institute, University of Copenhagen, we do research and teach within a broad spectrum of physics areas: Quantum computers and communication, astrophysics, particle physics, computational physics, solid state physics, climate and geophysics, and biophysics.
Hace 4 días · The Standard Model of particle physics is the theory describing three of the four known fundamental forces ( electromagnetic, weak and strong interactions – excluding gravity) in the universe and classifying all known elementary particles.
Hace 3 días · Although Bohr's model explained the hydrogen atom, the model was unable to explain the next simplest atom, helium, which only has two electrons. What was wrong with Bohr's model? It was still based on the classical mechanics notion of precise orbits which were later discovered to not be true.
Hace 4 días · It describes the system of a two-level atom interacting with a quantized mode of an optical cavity (or a bosonic field), with or without the presence of light (in the form of a bath of electromagnetic radiation that can cause spontaneous emission and absorption).
Hace 2 días · In 1913, the physicist Niels Bohr proposed a new model in which the electrons of an atom were assumed to orbit the nucleus but could only do so in a finite set of orbits, and could jump between these orbits only in discrete changes of energy corresponding to absorption or radiation of a photon.
