| 词汇 | example_english_momentum-operator |
| 释义 | momentum operatorcollocation in Englishmeanings of momentumand operatorThese words are often used together. Click on the links below to explore the meanings. Or, see other collocations with operator or momentum. momentum noun[U] uk /məˈmen.təm/ us /məˈmen.t̬əm/ physicsspecialized the force that keeps an ... See more at momentum operator noun[C] uk /ˈɒp.ər.eɪ.tər/ us /ˈɑː.pə.reɪ.t̬ɚ/ someone whose job is to use and control a machine ... See more at operator Examples of momentum operatorThese 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. The angular momentumoperator plays a central role in the theory of atomic physics and other quantum problems involving rotational symmetry. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. However, these terms "do" commute with the "total" angular momentumoperator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is a commonly encountered form of the momentumoperator, though not the most general one. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This is a commonly encountered form of the momentumoperator, though the momentumoperator in other bases can take other forms. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The momentumoperator is an example of a differential operator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The term angular momentumoperator can (confusingly) refer to either the total or the orbital angular momentum. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This looks very similar to the commutation relation of the position and momentumoperator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The left side represents the square of the momentumoperator divided by twice the mass, which is the non-relativistic kinetic energy. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There is no self-adjoint momentumoperator "p" for a particle moving on a half-line. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Within a given subspace, a component of a vector operator will behave in a way proportional to the same component of the angular momentumoperator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The relationship between the angular momentumoperator and the rotation operators is the same as the relationship between lie algebras and lie groups in mathematics. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. This can be carried over to quantum mechanics, by reinterpreting r as the quantum position operator and p as the quantum momentumoperator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. In relativistic quantum mechanics, elementary particles have "spin" and this is an additional contribution to the "orbital" angular momentumoperator, yielding the "total" angular momentum tensor operator. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. The commutator of any two angular momentum operators (corresponding to component directions) is non-zero. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. A more intricate case is the algebra of angular momentum operators; these quantities are closely connected to the rotational symmetries of three-dimensional space. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. Examples are the kinetic energy, dipole moment, and total angular momentum operators. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. There are two kinds: space-fixed and body-fixed angular momentum operators. From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. We assume that the states of the subsystems can be chosen as eigenstates of their angular momentum operators (and of their component along any arbitrary "z" axis). From Wikipedia This example is from Wikipedia and may be reused under a CC BY-SA license. 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. Want to learn more? Go to the definition of momentum Go to the definition of operator See other collocations with operator See other collocations with momentum |
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