mechanics, spin is an intrinsic property of all elementary particles. All known fermions, the particles that constitute ordinary matter, have a spin of 1/2. The...
15 KB (2,082 words) - 09:40, 9 May 2024
Fermion (redirect from Spin 1/2 particles)
follows Fermi–Dirac statistics. Fermions have a half-odd-integer spin (spin 1/2, spin 3/2, etc.) and obey the Pauli exclusion principle. These particles...
7 KB (850 words) - 04:02, 15 April 2024
spin matrices and eigenvalues in the z-basis: For spin 1 they are S x = ℏ 2 ( 0 1 0 1 0 1 0 1 0 ) , | 1 , + 1 ⟩ x = 1 2 ( 1 2 1 ) , | 1 , 0 ⟩ x = 1 2...
72 KB (10,547 words) - 14:00, 17 May 2024
Triplet state (redirect from Spin triplet)
triplet state occurs in cases where the spins of two unpaired electrons, each having spin s = 1/2, align to give S = 1, in contrast to the more common case...
7 KB (1,095 words) - 20:31, 12 September 2023
_{2}\}(-\sigma _{2}\sigma _{1})=-a_{1}\sigma _{1}-a_{2}\sigma _{2}} but a spinor rotation of only 90°: ( − σ 1 σ 2 ) { a 1 + a 2 σ 1 σ 2 } = a 2 − a 1 σ 1 σ 2 {\displaystyle...
72 KB (9,919 words) - 09:45, 25 May 2024
Top Spin 2 is a 2006 tennis video game developed by Indie Built, MENT, and Aspyr and originally published by 2K and Superscape. It is the sequel to Top...
16 KB (977 words) - 18:33, 24 January 2024
can be either ++1/2 or −+1/2 . The phrase spin quantum number refers to quantized spin angular momentum. The symbol s is used for the spin quantum number...
22 KB (2,959 words) - 08:55, 31 May 2024
Eigenspinor (section The spin 1/2 particle)
representing the general spin state of a particle. Strictly speaking, they are not vectors at all, but in fact spinors. For a single spin 1/2 particle, they can...
4 KB (696 words) - 23:22, 14 June 2023
n ≠ 2) 1 → Z 2 → Spin ( n ) → SO ( n ) → 1. {\displaystyle 1\to \mathbb {Z} _{2}\to \operatorname {Spin} (n)\to \operatorname {SO} (n)\to 1.} The...
27 KB (4,183 words) - 22:02, 17 December 2023
Singlet state (redirect from Spin singlet)
simple relationship to the spin quantum number: n = 2 s + 1 {\displaystyle n=2s+1} , and s = ( n − 1 ) / 2 {\displaystyle s=(n-1)/2} . Singlet-style terminology...
11 KB (1,651 words) - 09:43, 13 April 2024