What does polaron mean?
Definitions for polaron
po·laron
This dictionary definitions page includes all the possible meanings, example usage and translations of the word polaron.
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Wiktionary
polaronnoun
the object that results when an electron (or hole) in the conduction band of a crystalline insulator or semiconductor polarizes the lattice in its vicinity
Wikidata
Polaron
A polaron is a quasiparticle composed of a charge and its accompanying polarization field. A slow-moving electron in a dielectric crystal, interacting with lattice ions through long-range forces will permanently be surrounded by a region of lattice polarization and deformation caused by the moving electron. Moving through the crystal, the electron carries the lattice distortion with it, thus one speaks of a cloud of phonons accompanying the electron. The resulting lattice polarization acts as a potential well that hinders the movements of the charge, thus decreasing its mobility. Polarons have spin, though two close-by polarons are spinless. The latter is called a bipolaron. In materials science and chemistry, a polaron is formed when a charge within a molecular chain influences the local nuclear geometry, causing an attenuation of nearby bond alternation amplitudes. This "excited state" possesses an energy level between the lower and upper bands. The polaron, a fermionic quasiparticle, should not be confused with the polariton, a bosonic quasiparticle, corresponding, e.g. to a hybridized state between a photon and an optical phonon.
Numerology
Chaldean Numerology
The numerical value of polaron in Chaldean Numerology is: 6
Pythagorean Numerology
The numerical value of polaron in Pythagorean Numerology is: 1
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Translations for polaron
From our Multilingual Translation Dictionary
- بولارونArabic
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"polaron." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/polaron>.
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