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Hamiltonian constraint : ウィキペディア英語版 | Hamiltonian constraint
The Hamiltonian constraint arises from any theory that admits a Hamiltonian formulation and is reparametrisation-invariant, although the Hamiltonian constraint of classical general relativity is included as an important non-trivial example. Something of note in the context of general relativity is that the Hamiltonian constraint technically refers to a linear combination spatial and time diffeomorphism constraints reflecting the reparametrizability of the theory under both spatial as well as time coordinates. However, most of the time the term ''Hamiltonian constraint'' is reserved for the constraint that generates time diffeomorphisms. == Simplest example: the parametrized clock and pendulum system ==
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Hamiltonian constraint」の詳細全文を読む
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