Academic literature on the topic 'Bohr atomic model'

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Journal articles on the topic "Bohr atomic model"

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Borrelli, Arianna. "Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913–1925." International Studies in the Philosophy of Science 27, no. 2 (2013): 222–24. http://dx.doi.org/10.1080/02698595.2013.813250.

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Putra, Fima Ardianto. "On the Ehrenfest Paradox in the Bohr Atomic Model toward the Quantization of Gravitation." Jurnal Fisika Indonesia 22, no. 1 (2020): 7. http://dx.doi.org/10.22146/jfi.v22i1.34275.

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Ehrenfest Paradox has been studied in the Bohr Atomic Model as the theoretical procedure such a way that we can express the coordinate curvature i.e. gravitational aspect in the electromagnetic coupling constant. The strength of the curvature depends on the principal quantum number which shows that the value of curvature is quantized. For , the value is . The curvature value in the Bohr atomic model can be a standard to measure how strong the curvature of all system are, by comparing them with this value. We also get the understanding that the change of the curvature will manifest the curvatur
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Shorter, R. S. "Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913–1925, by Helge Kragh." Contemporary Physics 54, no. 2 (2013): 133. http://dx.doi.org/10.1080/00107514.2013.800588.

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Bonatsos, D., P. E. Georgoudis, D. Lenis, N. Minkov, and C. Quesne. "The Deformation Dependent Mass Davidson Model." HNPS Proceedings 19 (January 1, 2020): 22. http://dx.doi.org/10.12681/hnps.2511.

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The Deformation Dependent Mass Davidson Model is an extension of the well known Bohr-Mottelson Hamiltonian for the atomic nuclei. It primarily refers to the mass dependence on the deformation and secondary to the Davidson behavior for the potential of the Ø-vibration. This article will be devoted solely in the solution of the radial equation. Fitting results for the 162Dy and 238U ground state, β1 and γ1 bands are also presented.
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IONESCU, Lavinel G., and Luis Alcides Brandini DE BONI. "THEATORO AUGUSTO RAMOS'S ATOMIC MODEL." Periódico Tchê Química 03, no. 2 (2005): 30–37. http://dx.doi.org/10.52571/ptq.v2.n03.2005.janeiro/5_pgs_30_37.pdf.

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Theodoro Augusto Ramos (1895-1936) was one of the most notable and productive Brazilian mathematicians of his time. He graduated in civil engineering from the School of Engineering of the Rio the Janeiro, one of the traditional engineering schools of Latin America. It was founded in 1792 as a military school, soon after the arrival in Brazil of the Portuguese Court. He obtained the Doctoral Degree in Physical and Mathematical Sciences and his thesis was entitled “Sobre funções de variáveis reais” (On Functions of Real variables). Theodoro Ramos assisted the Organizing Committee that establishe
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Rigden, John S. "Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913–1925.Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913–1925.HelgeKragh.416 pp. Oxford U.P., Oxford, UK, 2012. Price $62.99 (hardcover). ISBN 978-9-19-965498-7." American Journal of Physics 81, no. 3 (2013): 237–38. http://dx.doi.org/10.1119/1.4771884.

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Whitaker, M. A. B. "The Bohr-Moseley synthesis and a simple model for atomic x-ray energies." European Journal of Physics 20, no. 3 (1999): 213–20. http://dx.doi.org/10.1088/0143-0807/20/3/312.

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Trippe, Sascha. "The “graviton picture”: a Bohr model for gravitation on galactic scales?" Canadian Journal of Physics 93, no. 2 (2015): 213–16. http://dx.doi.org/10.1139/cjp-2014-0158.

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Modified Newtonian dynamics (MOND) provides a successful description of stellar and galactic dynamics on almost all astronomical scales. A key feature of MOND is the transition function from Newtonian to modified dynamics, which corresponds to the empirical mass discrepancy–acceleration (MDA) relation. However, the functional form of the MDA relation does not follow from theory in a straightforward manner; in general, empirical MDA relations are inserted ad hoc into analyses of stellar dynamics. I revisit the possibility of gravity being mediated by massive virtual particles, gravitons. Under
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Hossain, M. Jakir, M. Atiqur Rahman, and M. Ilias Hossain. "Bekenstein–Hawking entropy by energy quantization from Reissner–Nordström black hole." International Journal of Modern Physics D 25, no. 03 (2016): 1650034. http://dx.doi.org/10.1142/s0218271816500346.

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We consider the motion of a test particle orbiting around Reissner–Nordström (RN) black hole spacetime. The complete set of equations for radial motion and effective potential is derived. We also derive the radius of the different stable circular orbits of this particle corresponding to different label indexes like the Bohr atomic model. We also quantized the energy of this particle from the quantization of angular momentum and calculated the Bekenstein–Hawking entropy of RN black hole. We also investigate the change of entropy between two nearby states approaches to zero for large quantum num
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Kumar, Prashant, Barbara Gruza, Sławomir Antoni Bojarowski, and Paulina Maria Dominiak. "Extension of the transferable aspherical pseudoatom data bank for the comparison of molecular electrostatic potentials in structure–activity studies." Acta Crystallographica Section A Foundations and Advances 75, no. 2 (2019): 398–408. http://dx.doi.org/10.1107/s2053273319000482.

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The transferable aspherical pseudoatom data bank, UBDB2018, is extended with over 130 new atom types present in small and biological molecules of great importance in biology and chemistry. UBDB2018 can be applied either as a source of aspherical atomic scattering factors in a standard X-ray experiment (d min ≃ 0.8 Å) instead of the independent atom model (IAM), and can therefore enhance the final crystal structure geometry and refinement parameters; or as a tool to reconstruct the molecular charge-density distribution and derive the electrostatic properties of chemical systems for which 3D str
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Dissertations / Theses on the topic "Bohr atomic model"

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Penna, Marcos. "A investigacao da estrutura da matéria no início do século XX: Niels Bohr e a busca de explicações para a estabilidade do átomo." Pontifícia Universidade Católica de São Paulo, 2009. https://tede2.pucsp.br/handle/handle/13420.

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Made available in DSpace on 2016-04-28T14:16:39Z (GMT). No. of bitstreams: 1 Marcos Penna.pdf: 325191 bytes, checksum: a4c6b00eafd9315c2614998403dfd016 (MD5) Previous issue date: 2009-05-14<br>Secretaria da Educação do Estado de São Paulo<br>The aim of this abstract is to study the formulation of Niels Bohr´s atomic model in the beginning of the twentieth century, regarding the atomic model of Rutherford. The issues about instability resulting from this model and the observation that the classical mechanic could not express the atomic reality were both intensively approached themes those day
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Silva, Giovanna Stefanello. "A ABORDAGEM DO MODELO ATÔMICO DE BOHR ATRAVÉS DE ATIVIDADES EXPERIMENTAIS E DE MODELAGEM." Universidade Federal de Santa Maria, 2013. http://repositorio.ufsm.br/handle/1/6671.

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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior<br>Knowing and understanding the Chemistry concepts is directly related to the capability of moving between the three levels of representation which concern Chemistry. Each one of these levels involve the developing of different abilities, as the capability of abstraction. There are several Chemistry concepts which depend on this articulation between the macroscopic, microscopic and symbolic levels, for example, the study of the matter structure. Though, it is noticed that a large part of the students show difficulties in comprehendin
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Urtekin, Kerim. "Bohr model and dimensional scaling analysis of atoms and molecules." Texas A&M University, 2006. http://hdl.handle.net/1969.1/4660.

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It is generally believed that the old quantum theory, as presented by Niels Bohr in 1913, fails when applied to many-electron systems, such as molecules, and nonhydrogenic atoms. It is the central theme of this dissertation to display with examples and applications the implementation of a simple and successful extension of Bohr’s planetary model of the hydrogenic atom, which has recently been developed by an atomic and molecular theory group from Texas A&M University. This ”extended” Bohr model, which can be derived from quantum mechanics using the well-known dimentional scaling
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Courtney, Charles R. P. "Models of atoms and molecules in intense laser fields using the de Broglie-Bohm interpretation of quantum physics." Thesis, University of Reading, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.408871.

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Miranker, Emily. "An Infinity of Questions: Dramatizing Science on Stage." Oberlin College Honors Theses / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=oberlin1212179899.

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Kim, Moochan. "Problems on Non-Equilibrium Statistical Physics." Thesis, 2010. http://hdl.handle.net/1969.1/ETD-TAMU-2010-05-8007.

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Four problems in non-equilibrium statistical physics are investigated: 1. The thermodynamics of single-photon gas; 2. Energy of the ground state in Multi-electron atoms; 3. Energy state of the H2 molecule; and 4. The Condensation behavior in N weakly interacting Boson gas. In the single-photon heat engine, we have derived the equation of state similar to that in classical ideal gas and applied it to construct the Carnot cycle with a single photon, and showed the Carnot efficiency in this single-photon heat engine. The energies of the ground state of multi-electron atoms are calculated using th
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Books on the topic "Bohr atomic model"

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-A, Souentie Stamatios N., and SpringerLink (Online service), eds. Gravity, Special Relativity, and the Strong Force: A Bohr-Einstein-de Broglie Model for the Formation of Hadrons. Springer US, 2012.

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Kragh, Helge. Niels Bohr and the Quantum Atom: The Bohr Model of Atomic Structure 1913-1925. Oxford University Press, 2012.

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Levin, Frank S. The Nuclear Atom. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198808275.003.0006.

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Chapter 5 describes how the concept of quantization (discretization) was first applied to atoms. This was done in 1913 by Niels Bohr, using Ernest Rutherford’s paradigm-changing, solar-system model of atomic structure, wherein the positively charged nucleus occupies a tiny central space, much smaller than the known sizes of atoms. Bohr, postulating a quantized version of this model for hydrogen, was able to explain previously inexplicable experimental features of that atom. He did so via an ad hoc quantization procedure that discretized the single electron’s energy, its angular momentum, and t
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Deruelle, Nathalie, and Jean-Philippe Uzan. Constant fields. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198786399.003.0031.

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This chapter reviews the basic ideas of electrostatics (Coulomb’s law) and magnetostatics (the Biot–Savart law). It studies the motion of a charge in a Coulomb field in detail. The chapter shows how the motion of a charge q in the Coulomb field of a charge Q held fixed at the origin of an inertial frame is governed by the Lorentz equation. Moreover, it can be solved like the Kepler problem discussed in the previous Book. Next, the chapter discusses the Rutherford scattering formula which established the ‘planetary’ model of the atom, the Bohr–Sommerfeld quantization which displayed the limits
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1957-, Lakhtakia A., ed. Models and modelers of hydrogen: Thales, Thomson, Rutherford, Bohr, Sommerfeld, Goudsmit, Heisenberg, Schrödinger, Dirac, Sallhofer. World Scientific, 1996.

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Levin, Frank S. The Hydrogen Atom and Its Colorful Photons. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198808275.003.0010.

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The energies, kets and wave functions obtained from the Schrödinger equation for the hydrogen atom are examined in Chapter 9. Three quantum numbers are identified. The energies turn out to be the same as in the Bohr model, and an energy-level diagram appropriate to the quantum description is constructed. Graphs of the probability distributions are interpreted as the electron being in a “cloud” around the proton, rather than at a fixed position: the atom is fuzzy, not sharp-edged. The wavelengths of the five photons of the Balmer series are shown to be in the visible range. These photons are em
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Shore, Bruce W. Our Changing Views of Photons. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198862857.001.0001.

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This book describes the changing views of the physics community toward photons, and how photons are viewed today in several contexts. The first portion, a ninechapter Memoir with few equations and many definitions, explains the changing view of physicists toward radiation and its wave-particle photons, written for those with interest but possibly without technical background. It gives operational definitions that have been used for photons and their association with quantum-state manipulations that include Quantum Information, astronomical sources and crowds of photons, the boxed fields of cav
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Book chapters on the topic "Bohr atomic model"

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Podgoršak, Ervin B. "Rutherford–Bohr Atomic Model." In Compendium to Radiation Physics for Medical Physicists. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-20186-8_3.

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Podgoršak, Ervin B. "Rutherford–Bohr Model of the Atom." In Graduate Texts in Physics. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-25382-4_3.

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Podgoršak, Ervin B. "Rutherford-Bohr Model of the Atom." In Radiation Physics for Medical Physicists. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-00875-7_3.

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Pannuti, Thomas G. "Angles, Gravity, Light, the Bohr Model of the Atom and Relativity." In Undergraduate Lecture Notes in Physics. Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-319-16982-8_2.

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Duncan, Anthony, and Michel Janssen. "The Birth of the Bohr Model." In Constructing Quantum Mechanics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198845478.003.0004.

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We follow Niels Bohr from his 1911 dissertation on the electron theory of metals to his 1913 trilogy on the constitution of atoms and molecules. The dissertation shows that Bohr was thoroughly familiar with the early work of predominantly German physicists on quantum theory and that he suspected that the behavior of bound rather than free electrons called for new laws of physics. During postdoctoral work with Rutherford in Manchester, Bohr learned about the alpha-scattering experiments by Geiger and Marsden that led Rutherford to suggest that an atom consists of a nucleus containing most of its mass with a cloud of electrons swirling around it. Bohr tried to infer the atomic structure in more detail from these and further alpha-scattering experiments. Bohr’s models are in the tradition of British atomic modeling of J.J. Thomson and others but Bohr also borrowed from Planck the notion that energy is proportional to frequency. These early ideas have been preserved in the so-called Manchester memorandum, a set of notes Bohr prepared for Rutherford before returning to Copenhagen in July 1912. In this memorandum, Bohr only considered the ground state of an atom and focused on chemical rather than spectroscopic phenomena. He first started thinking about excited states when he encountered models similar to his own by another British model builder, Nicholson. His interest shifted from chemistry to spectroscopy when a Danish colleague, Hansen, alerted him to the Balmer formula. Within a month of first laying eyes on Balmer’s formula, Bohr submitted the first installment of his trilogy, which contains his famous model of the hydrogen atom. In the following months he completed the trilogy, dealing with more complicated atoms and molecules and presenting results directly coming out of the research recorded in the Manchester memorandum.
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"QUANTUM STATES OF ATOMS: THE BOHR MODEL." In Modern Atomic and Nuclear Physics. World Scientific Publishing Company, 2010. http://dx.doi.org/10.1142/9789814277167_0004.

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"Quantum States of Atoms: The Bohr Model." In Modern Atomic and Nuclear Physics. World Scientific Publishing Company, 2010. http://dx.doi.org/10.1142/9789814307697_0003.

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Baggott, Jim. "Bohr’s Derivation of the Rydberg Formula." In The Quantum Cookbook. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780198827856.003.0004.

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Atoms evolved from hypothetical entities into the objects of detailed laboratory study. The discovery of the negatively charged electron by Thomson in 1897 implied that atoms, indivisible for more than 2000 years, now had to be recognized as having some kind of internal structure. In 1911 Rutherford interpreted the latest experimental results in terms of a ‘nuclear atom’, in which most of the atom’s mass is concentrated in a small central nucleus, surrounded by electrons which account for much of the volume. In 1913, Bohr presented a theory of atomic structure which combined a model of classical mechanical ‘orbits’ and transitions between these orbits governed by quantum rules. Although he made some unjustified (and incorrect) assuptions regarding the quantization of orbital angular momentum, he successfully predicted the Rydberg formula and showed that the Rydberg constant is a composite of fundamental physical constants.
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Duncan, Anthony, and Michel Janssen. "Guiding Principles." In Constructing Quantum Mechanics. Oxford University Press, 2019. http://dx.doi.org/10.1093/oso/9780198845478.003.0005.

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The development of the complex of assumptions and methods now referred to as the “old quantum theory” mainly took place in the first five years following the introduction of the Bohr atomic model in 1913. Three guiding principles emerged that were used, sometimes in overlapping ways, to explain the flood of spectroscopic data that needed to be explained. First, quantization rules (or conditions) were proposed to single out the allowed orbital motions of electrons in atoms. These rules were derived in various forms by Planck, Sommerfeld, and Wilson, but were put into their most general form by Schwarzschild, who recognized the underlying principle as the quantization of the action variables of a multiply periodic classical system. Second, the special role of the action variables in quantization was given convincing support by the transfer of the adiabatic principle of mechanics to quantum theory (work primarily due to Paul Ehrenfest). Third, the correspondence principle, or statement of asymptotic coincidence of quantum and classical theory in the limit of large quantum numbers, originally introduced by Bohr in 1913 as a supporting argument for his quantization of angular momentum in his theory of the hydrogen atom, was extended by Bohr and Kramers to provide selection rules and approximate intensity predictions evening the regime low quantum numbers.
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Reed, Bruce Cameron. "The Bohr model II: corollaries." In The Bohr Atom. IOP Publishing, 2020. http://dx.doi.org/10.1088/978-0-7503-3611-6ch3.

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Conference papers on the topic "Bohr atomic model"

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Probst, Christof, Sarah Lukas, and Johannes Huwer. "USING AUGMENTED REALITY TO INTRODUCE THE BOHR ATOMIC MODEL IN 3D IN THE CLASSROOM – A STUDY ABOUT LEARNING EFFECTS AND PERCEPTION OF STUDENTS." In 15th International Technology, Education and Development Conference. IATED, 2021. http://dx.doi.org/10.21125/inted.2021.0378.

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