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Phonon
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Creation and annihilation operators - Wikipedia, the free encyclopedia
en.wikipedia.org/wiki/Creation_and_annihilation_operato...
en.wikipedia.org/wiki/Creation_and_annihilation_operators
They can be used to represent phonons. The mathematics for the creation and annihilation operators for bosons is the same as for the ladder operators of the ... |
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Nov 19, 2010 ... EPSRC Reference: GR/M22543/01. Title: HIGH FREQUENCY PHONON CREATION DYNAMICS. Principal Investigator: Professor A Wyatt ...
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The h phonons are created from the l phonons by four phonon processes (4pp) and they are lost from the trailing edge of the l phonon cloud, because they have ...
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The angular distribution of created h-phonons is then found, and it is shown that ... The evolution of the l-phonon pulse, due to h-phonon creation, is analyzed.
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Phonons in liquid 4He can be studied by creating them with a pulsed ... phonons has been made [2], but less is known about the phonon creation processes at ...
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Experimental progress toward single phonon creation in a mechanical resonator. Authors: O'Connell, Aaron; Ansmann, M.; Bialczak, R. C.; Hofheinz, M.; Lucero, ...
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band gap Eg' the phonon energy fiwo, and a param- eter A, proportional to the ratio of the mean free path for pair creation to that for phonon emission. We then ...
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Dec 12, 2011 ... We study the effects of phonon creation on the spin-state probability and spin entanglement for such quantum spin simulators. We use a ...
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We argue that the flat top is due to the creation of high-energy phonons h- phonons. These are ... if phonons are created in a narrow range of angles then the ...
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