• Thumbnail for Spin-1/2
    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
  • Thumbnail for Fermion
    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 (10,546 words) - 14:32, 15 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
  • Thumbnail for Triplet state
    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
  • Thumbnail for Spinor
    _{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) - 18:05, 30 April 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) - 22:00, 1 May 2024
  • 'spin up' and 'spin down') to a variable taking values in a vector space (typically the spin-1/2 or two-dimensional representation of s u ( 2 ) {\displaystyle...
    8 KB (1,138 words) - 13:14, 26 April 2024
  • Thumbnail for Spin group
    n ≠ 2) 1 → Z 2Spin ⁡ ( 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
  • 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