| 释义 |
spinor Physics.|ˈspɪnə(r)|
[a. G. spinor (B. L. van der Waerden 1929, in Nachr. von d. Ges. d. Wissensch. zu Göttingen 100), f. spin v. + -or, after tensor, vector.]
Any quantity existing in a space and having the property that rotation through 360° reverses its sign and leaves it otherwise unchanged; also, applied to quantities constructed from two or more of these in the way that tensors may be constructed from vectors.
1931Physical Rev. XXXVII. 1022 With the spinor analysis developed by B. Van der Waerden.., which comprises all representations of the Lorentz group, even those not contained in ordinary tensor calculus, one is able to write all derivations and equations in an automatically covariant form. 1952Amer. Jrnl. Physics XX. 253/2 The available literature on spinors is exceedingly hard to understand. 1974P. A. M. Dirac Spinors in Hilbert Space ii. 4 Spinors, like tensors, are geometrical objects embedded in a space and have components that transform linearly under transformations of the coordinates of the space. Spinors differ from tensors in that they change sign when one applies a complete revolution about an axis, while tensors are unchanged. 1974G. Reece tr. Hund's Hist. Quantum Theory xv. 200 It was soon seen that the four-component Dirac ψ was a particular kind of entity... It was called a spinor. 1977K. O. May tr. Iyanaga & Kawada's Encycl. Dict. Math. I. 216/2 Although SO(n) (n ≥ 3) is connected Lie group, it is not simply connected. The simply connected Lie group which is locally isomorphic to SO(n) is called the spinor group and is denoted by Spin(n).
Hence spiˈnorial a., involving spinors, decribed by means of spinors.
1968Physics Bull. Nov. 381/1 The wavefunction must have four components which transform according to the ‘spinorial’ transformation encountered by Pauli. 1978McGraw-Hill Yearbk. Sci. & Technol. 356/1 A spinorial gauge field with spin 3/2. |