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单词 fermion
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Examples offermion

Dictionary> Examples offermion
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Consider, for example, a gas consisting of fermions (proteons or electrons).
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Here the effective particles (the contacts) behave like fermions, since no more than one bond can 'occupy' a contact.
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Besides,fermionloops are essential constituents of the corrections to the exchange boson propagators.
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Bosons and fermions are merely two extreme cases; there is a continuous range of possibilities between them.
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This has been shown in many different systems such as nuclei, atoms, quantum dots, interacting fermions, quantum spin glasses, and so on.
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The problem of the average number of fermions resolves itself once we realize that the tightly packed fermions in the low temperature state have little room to move.
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As a brief aside, note that the number of distribution for fermions is even easier to compute in the sense that it does not involve infinite sums.
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Notice that as the temperature rises, the average number of fermions we should expect to find decreases.
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At very high temperatures, where only half of the states are occupied, there is plenty of room for the fermions to move and hence exchange energy.
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The usual method is to tensor with fermions, as one then has a canonical differential.
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One of the simplest examples is the vertex operator superalgebra generated by a single freefermion.
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They are a compositefermionand hence have an associated magnetic moment.
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This is because of the spin-statistics theorem, which means that fermions will have a negative contribution and bosons a positive contribution.
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In an actual superconductor, the charged particles are electrons, which are fermions not bosons.
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These new neutrinos would interact with the other fermions solely in this way, so are not phenomenologically excluded.
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This temperature depends on the mass of the fermions and the density of energy states.
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To do so for fermions, for example, the antisymmetrizer builds such a completely antisymmetric state.
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These changes lead to two important features in the optical response of heavy fermions.
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These examples are from corpora and from sources on the web. Any opinions in the examples do not represent the opinion of the Cambridge Dictionary editors or of Cambridge University Press or its licensors.

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更新时间:2024/12/28 1:08:56