Search results for "Quantum chemistry" - New World Encyclopedia

From New World Encyclopedia
  • Photochemistry, a sub-discipline of chemistry, is the study of the ... by Albert Einstein at the time when the quantum (photon) theory of light ...
    4 KB (569 words) - 04:25, 24 November 2022
  • two main branches: classical mechanics and quantum mechanics. as classical mechanics. The foundations of quantum mechanics were established ...
    11 KB (1,457 words) - 03:51, 9 November 2022
  • mechanics to chemistry is called quantum chemistry. Since the end of the ... and alternative approaches based on quantum chemistry, such as molecular ...
    20 KB (2,886 words) - 14:48, 5 December 2023
  • In chemistry and biochemistry, the proton is thought of as the hydrogen ... into a halo of gluons as dictated by the quantum probability wavefunction ...
    10 KB (1,600 words) - 08:20, 2 December 2022
  • of conjugation alone. In organic chemistry, a substituent is an atom ... Cytosine recently found use in quantum computation. The first time any ...
    5 KB (742 words) - 07:29, 12 January 2024
  • elements. It is perhaps the icon of Chemistry and expresses much about ... Julius Lothar Meyer and the Russian chemistry professor Dmitri Ivanovich ...
    13 KB (1,942 words) - 00:40, 24 November 2022
  • have been used as specialized solvents (quantum solvents) in spectroscopy ... 1937. It is a major facet in the study of quantum hydrodynamics. ...
    7 KB (1,079 words) - 13:54, 28 April 2023
  • and tagging molecules in analytical chemistry and biochemistry. Fluorophores ... Fluorescence occurs when a molecule or quantum dot relaxes to its ...
    15 KB (2,287 words) - 17:45, 28 March 2024
  • of electrodynamics and there were no quantum mechanics (hence, it is ... nature of electrons is essential to the quantum mechanics of the electromagnetic ...
    10 KB (1,515 words) - 15:57, 13 February 2024
  • formed part of the beginning of modern quantum chemistry. ... * Quantum chemistry == Notes == == References == * Chang, Raymond. ...
    33 KB (5,193 words) - 01:09, 18 November 2022
  • Protons and neutrons have different values of the isospin quantum ... with a different value of the strangeness quantum number, can also share the ...
    13 KB (1,903 words) - 06:57, 21 August 2023
  • qualitative picture of covalent bonding, quantum mechanics is needed to understand ... Using quantum mechanics, it is possible to calculate the electronic ...
    15 KB (2,401 words) - 06:13, 11 January 2024
  • attached to how they exist. Described by quantum mechanics, they can be viewed ... by particle physics obey the principles of quantum mechanics. As such, they ...
    16 KB (2,386 words) - 08:56, 18 November 2022
  • sharing of electrons and are described by quantum mechanical theories of the ... object in the theoretical study of quantum chemistry and physics. Most generally ...
    25 KB (3,936 words) - 14:39, 5 December 2023
  • It includes the fields of surface chemistry and surface physics. The ... and colloid science. Interfacial chemistry and physics are common ...
    13 KB (1,826 words) - 23:53, 26 February 2023
  • is responsible for the size of the atom. Quantum mechanical calculations ... where n is the shell number or principle quantum number. Electrons fill orbitals ...
    13 KB (2,062 words) - 06:25, 21 August 2023
  • who achieved fame for his contributions to quantum mechanics, especially the ... daughter of Alexander Bauer, Professor of Chemistry, k.u.k. Technische Hochschule ...
    17 KB (2,571 words) - 21:27, 20 March 2024
  • that laid the foundation for pneumatic chemistry today. ... * The ideal quantum Bose gas, composed of bosons * The ideal quantum ...
    20 KB (3,107 words) - 04:37, 18 April 2024
  • (Here, "spin" refers to the angular momentum quantum number ... no two fermions can exist in the same quantum state at the same time. ...
    16 KB (2,185 words) - 17:26, 26 March 2024
  • With the development of quantum theory, chemistry began to be explained ... just as it started. This is called "quantum spin 1" behavior. By ...
    20 KB (3,162 words) - 21:09, 26 February 2023
  • noted for his contributions to physical chemistry and statistical mechanics ... academics were the leading authorities in chemistry, thermodynamics, and theoretical ...
    19 KB (2,808 words) - 20:00, 7 September 2022
  • A complex in chemistry usually is used to describe molecules or ensembles ... in any sense, since the beginning of chemistry. Examples include Prussian ...
    21 KB (3,125 words) - 00:21, 8 January 2024
  • (lutetium) isotopes. Of interest to modern quantum optics, the different ytterbium ... * Chang, Raymond. Chemistry. 9th ed. New York: McGraw-Hill Science/Engineering/Math ...
    11 KB (1,375 words) - 21:33, 4 June 2023
  • physics. He is best known for his work on quantum mechanics in the early 1920s ... of Microsystems that obey the rules of quantum theory, was one of the top ...
    13 KB (1,968 words) - 17:03, 23 December 2022
  • of many elements, and the establishment of quantum theory in the twentieth ... of the time. He also pursued interests in chemistry, crystallography, metallurgy ...
    12 KB (1,816 words) - 11:01, 9 May 2023
  • magnetic dipoles are by current loops or quantum-mechanical spin since the ... are magnetic dipoles in the form of the quantum-mechanical spin associated ...
    20 KB (3,037 words) - 15:26, 29 January 2024
  • statistical mechanics, thermodynamics, quantum mechanics, relativity, ... spectral lines) advanced, particularly as quantum physics was developed and ...
    14 KB (1,947 words) - 18:28, 19 August 2023
  • thermodynamic potentials in physics and chemistry. Unfortunately, in the ... to the then developing theory of quantum mechanics. This led to ...
    15 KB (2,236 words) - 05:22, 24 November 2022
  • In the history of chemistry, the first scientists to determine atomic ... International Union of Pure and Applied Chemistry in 1961. Hence, before ...
    13 KB (2,025 words) - 06:26, 21 August 2023
  • which gained him the 1908 Nobel Prize in Chemistry. From 1900 till 1903, he ... Bohr model, which used some of the early quantum mechanical results to give ...
    17 KB (2,514 words) - 19:33, 13 February 2024
  • Nonetheless, with the development of quantum chemistry in the twentieth century ... from first principles. The reduction of chemistry to physics was an enormous ...
    22 KB (3,290 words) - 05:07, 24 November 2022
  • 1937. The study of superfluidity is called quantum hydrodynamics. ... first critical velocity (related to the quantum numbers for the element ...
    15 KB (2,275 words) - 17:44, 28 March 2024
  • combines elements of applied physics and chemistry, as well as chemical, mechanical ... chemical kinetics, and physical chemistry: to understand phase stability ...
    17 KB (2,292 words) - 16:49, 7 November 2022
  • Kroto, Curl, and Smalley were awarded the 1996 Nobel Prize in Chemistry ... as melanoma. The October 2005 issue of Chemistry and Biology contains an ...
    28 KB (4,196 words) - 07:18, 15 April 2024
  • silicon nanopowder. This is caused by the quantum effects which occur in particles ... life that rely entirely on silicon-based chemistry, there are some that rely ...
    20 KB (2,980 words) - 22:04, 29 January 2023
  • of the founders of the new science of quantum chemistry. ... the first scientists in the field of quantum chemistry and a pioneer in the ...
    44 KB (6,490 words) - 04:18, 29 October 2022
  • Einstein's theories were progenitors of quantum mechanics, which, when formulated in 1925, necessitated the invention of a quantum theory of electromagnetism ...
    14 KB (1,902 words) - 15:57, 13 February 2024
  • material may also be labeled quantum dots if they are small enough ... NanoclustersB.D. Fahlman, Materials Chemistry (Dordrecht, NL: Springer ...
    18 KB (2,579 words) - 01:19, 11 November 2022
  • as a classical system, rather than a quantum-mechanical one. In the resulting ... Superimposed on this classical picture, however, are quantum mechanical ...
    18 KB (2,740 words) - 00:29, 17 November 2022
  • a new way of looking at the world, called quantum theory. like units. He called each such unit a quantum (the plural form being quanta ...
    30 KB (4,449 words) - 00:57, 9 November 2022
  • his studies in mathematics, physics, and chemistry, in 1899, at the University ... *Haber received the Nobel Prize in Chemistry in 1918. In spite of ...
    27 KB (3,968 words) - 01:05, 9 November 2022
  • as lasers, Bose–Einstein condensation, quantum field theory, and the probabilistic ... photons have been studied as elements of quantum computers and for sophisticated ...
    34 KB (4,943 words) - 20:26, 27 September 2023
  • handle gravitation at a deeper level; and quantum mechanics handles the wave ... of bodies. The other sub-field is quantum mechanics. == Terminology == ...
    33 KB (4,963 words) - 10:51, 19 December 2023
  • International Union of Pure and Applied Chemistry (IUPAC) allows both D and ... deuterium won Urey the Nobel Prize in chemistry in 1934. ...
    31 KB (4,687 words) - 10:07, 29 January 2024
  • a mathematician who made contributions to quantum physics, functional analysis ... of the application of operator theory to quantum mechanics, a member of the ...
    30 KB (4,433 words) - 00:38, 10 February 2023
  • device physics, and supramolecular chemistry. Much speculation exists ... disciplines, including colloidal science, chemistry, applied physics, materials ...
    39 KB (5,416 words) - 02:44, 11 March 2023
  • is important to researchers studying quantum mechanics (particularly ... the value expected from classical physics. Quantum mechanics is needed to explain ...
    32 KB (4,897 words) - 15:19, 25 January 2023
  • for other fields of physics and for chemistry, chemical engineering, ... as some are theorizing presently in quantum thermodynamics. ...
    25 KB (3,670 words) - 18:29, 30 April 2023
  • could be found, with the advent of quantum theory, atomism could no ... divisibility of matter by the discovery of quantum mechanics. Until then, no ...
    37 KB (5,618 words) - 06:58, 21 August 2023
  • annually in the categories of physics, chemistry, physiology or medicine ... The prizes for physics and chemistry shall be awarded by the Swedish ...
    34 KB (5,294 words) - 02:33, 16 November 2022

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