dorsal/arxiv
View SchemaEinstein and the Quantum
| Authors | Virendra Singh |
|---|---|
| Categories | |
| ArXiv ID | quant-ph/0510180 |
| URL | https://arxiv.org/abs/quant-ph/0510180 |
Abstract
We review here the main contributions of Einstein to the quantum theory. To put them in perspective we first give an account of Physics as it was before him. It is followed by a brief account of the problem of black body radiation which provided the context for Planck to introduce the idea of quantum. Einstein's revolutionary paper of 1905 on light-quantum hypothesis is then described as well as an application of this idea to the photoelectric effect. We next take up a discussion of Einstein's other contributions to old quantum theory. These include (i) his theory of specific heat of solids, which was the first application of quantum theory to matter, (ii) his discovery of wave-particle duality for light and (iii) Einstein's A and B coefficients relating to the probabilities of emission and absorption of light by atomic systems and his discovery of radiation stimulated emission of light which provides the basis for laser action. We then describe Einstein's contribution to quantum statistics viz Bose-Einstein Statistics and his prediction of Bose-Einstein condensation of a boson gas. Einstein played a pivotal role in the discovery of Quantum mechanics and this is briefly mentioned. After 1925 Einstein's contributed mainly to the foundations of Quantum Mechanics. We choose to discuss here (i) his Ensemble (or Statistical) Interpretation of Quantum Mechanics and (ii) the discovery of Einstein-Podolsky-Rosen (EPR) correlations and the EPR theorem on the conflict between Einstein-Locality and the completeness of the formalism of Quantum Mechanics. We end with some comments on later developments.
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"abstract": "We review here the main contributions of Einstein to the quantum theory. To\nput them in perspective we first give an account of Physics as it was before\nhim. It is followed by a brief account of the problem of black body radiation\nwhich provided the context for Planck to introduce the idea of quantum.\nEinstein\u0027s revolutionary paper of 1905 on light-quantum hypothesis is then\ndescribed as well as an application of this idea to the photoelectric effect.\nWe next take up a discussion of Einstein\u0027s other contributions to old quantum\ntheory. These include (i) his theory of specific heat of solids, which was the\nfirst application of quantum theory to matter, (ii) his discovery of\nwave-particle duality for light and (iii) Einstein\u0027s A and B coefficients\nrelating to the probabilities of emission and absorption of light by atomic\nsystems and his discovery of radiation stimulated emission of light which\nprovides the basis for laser action. We then describe Einstein\u0027s contribution\nto quantum statistics viz Bose-Einstein Statistics and his prediction of\nBose-Einstein condensation of a boson gas. Einstein played a pivotal role in\nthe discovery of Quantum mechanics and this is briefly mentioned. After 1925\nEinstein\u0027s contributed mainly to the foundations of Quantum Mechanics. We\nchoose to discuss here (i) his Ensemble (or Statistical) Interpretation of\nQuantum Mechanics and (ii) the discovery of Einstein-Podolsky-Rosen (EPR)\ncorrelations and the EPR theorem on the conflict between Einstein-Locality and\nthe completeness of the formalism of Quantum Mechanics. We end with some\ncomments on later developments.",
"arxiv_id": "quant-ph/0510180",
"authors": [
"Virendra Singh"
],
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"title": "Einstein and the Quantum",
"url": "https://arxiv.org/abs/quant-ph/0510180"
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