It presents a detailed derivation of the Feynman diagram technique and discusses the method of functional integrals in, "Yet if as I hope, basic science becomes part of general awareness, what now appear as a paradox of, So despite the fact that entanglement goes against classical intuition, entanglement must be an inevitable feature of not only, Chapters discuss the many inventions that have stemmed from, Dictionary, Encyclopedia and Thesaurus - The Free Dictionary, the webmaster's page for free fun content, What We Are Reading Today: Philosophy of Physics by Tim Maudlin, Popular physicist Stephen Hawking dies at 76, Entanglement Is an Inevitable Feature of Reality, Fashion, faith, and fantasy in the new physics of the universe, Development bank to finance Russia's digital economy programme, The quantum paradigm and challenging the objectivity assumption, An anthology of the distinguished achievements in science and technique. Quantum theory is simply a new way of looking at the world. Can you spell these 10 commonly misspelled words? Now, in the early twentieth century, relativity and, Individual researchers still passionately disagree about what, The basic idea is that the gravitational field of any object stands outside, To predict positronium’s properties, physicists need use only the relatively simple, This imposes a ceiling on predictive precision — and on how well physicists can understand what, Tischler and her colleagues believed that analyzing and performing a Wigner’s friend experiment could shed light on the limits of, Post the Definition of quantum theory to Facebook, Share the Definition of quantum theory on Twitter. 2. a formulated hypothesis or, loosely speaking, any hypothesis or opinion not based upon actual knowledge. Enrich your vocabulary with the English Definition dictionary 'Nip it in the butt' or 'Nip it in the bud'. Define quantum theory. Quantum chemistry studies the ground state of individual atoms and molecules, and the excited states, and transition states that occur during chemical reactions. Quantum theory definition is - a theory in physics based on the concept of the subdivision of radiant energy into finite quanta and applied to numerous processes involving transference or transformation of energy in an atomic or molecular scale. 'All Intensive Purposes' or 'All Intents and Purposes'? What is the physical reality behind the mathematical equations? Accessed 27 Nov. 2020. quantum theory definition in English dictionary, quantum theory meaning, synonyms, see also 'quantum chromodynamics',quantum efficiency',quantum electrodynamics',quantum electronics'. The theory later developed in several equivalent mathematical forms based on De Broglie's theory and on the Heisenberg uncertainty principle. Examples of how to use “quantum theory” in a sentence from the Cambridge Dictionary Labs This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. theory [the´ah-re, thēr´e] 1. the doctrine or the principles underlying an art as distinguished from the practice of that particular art. All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. In physics, a quantum (plural quanta) is the minimum amount of any physical entity (physical property) involved in an interaction.The fundamental notion that a physical property can be "quantized" is referred to as "the hypothesis of quantization". Delivered to your inbox! Quantum theory is a body of work in physics that explains the way the universe works on the tiniest scales. Unlike quantum theory, there are few (if any) experimental results to base new work on, but there are many Einsteinian critics — again, on both scientific and philosophical grounds. See, A theory in physics based on the principle that matter and energy behave both as particles and as waves. n. 1. Send us feedback. According to this theory, matter and energy are composed of tiny units of electromagnetic energy called quanta. Quantum mechanics definition is - a theory of matter that is based on the concept of the possession of wave properties by elementary particles, that affords a mathematical interpretation of the structure and interactions of matter on the basis of these properties, and that incorporates within it quantum theory and the uncertainty principle —called also wave mechanics. “Quantum theory.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/quantum%20theory. Learn a new word every day. Please tell us where you read or heard it (including the quote, if possible). See more. Quantum field theory definition: quantum mechanical theory concerned with elementary particles , which are represented by... | Meaning, pronunciation, translations and examples Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Part 34: discovery and study of quantum-wave nature of microscopic world of matter, Quantum Structure-Biodegradation Relationship, Quantum Structures for Photonic Applications, Quantum Thermodynamic Perturbation Theory. Quantum theory definition, any theory predating quantum mechanics that encompassed Planck's radiation formula and a scheme for obtaining discrete energy states for atoms, as Bohr theory. What made you want to look up quantum theory? This definition explains quantum theory, also sometimes known as quantum physics and quantum mechanics, and discusses how it helps us understand the nature and behavior of matter and energy on the atomic and subatomic level. The theory that electromagnetic radiation consists of units called quanta or photons. Quantum theory is used to explain such phenomena as the photoelectric effect and the uncertainty principle. https://www.thefreedictionary.com/quantum+theory, (Atomic Physics) a theory concerning the behaviour of physical systems based on Planck's idea that they can only possess certain properties, such as energy and angular momentum, in discrete amounts (quanta). These example sentences are selected automatically from various online news sources to reflect current usage of the word 'quantum theory.' ♦ Another term for quantum theory is. This means that the magnitude of the physical property can take on only discrete values consisting of integer multiples of one quantum. Test Your Knowledge - and learn some interesting things along the way. Even with a firm theory that clearly works, physicists continue to question what quantum physics really means. The rules as they apply to us don't apply to the tiny particles that quantum theory deals with. Quantum chemistry, also called molecular quantum mechanics, ... seeks to calculate the predictions of quantum theory as atoms and molecules can only have discrete energies. quantum theory synonyms, quantum theory pronunciation, quantum theory translation, English dictionary definition of quantum theory. See the full definition for quantum theory in the English Language Learners Dictionary, More from Merriam-Webster on quantum theory, Nglish: Translation of quantum theory for Spanish Speakers, Britannica.com: Encyclopedia article about quantum theory. However, it was a breakthrough that led physicists to discover more about the world of physics and to understand our own world better, starting from the tiny particles of matter that are its building blocks. Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!
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