• or lowering operator (collectively known as ladder operators) is an operator that increases or decreases the eigenvalue of another operator. In quantum...
    24 KB (4,543 words) - 15:19, 30 July 2025
  • creation and annihilation operators often act on electron states. They can also refer specifically to the ladder operators for the quantum harmonic oscillator...
    25 KB (4,463 words) - 08:26, 5 June 2025
  • Thumbnail for Quantum harmonic oscillator
    annihilation operator ("lowering operator"), and a† a creation operator ("raising operator"). The two operators together are called ladder operators. Given...
    44 KB (6,952 words) - 15:54, 11 April 2025
  • to derive the quantization rules above is the method of ladder operators. The ladder operators for the total angular momentum J = ( J x , J y , J z ) {\displaystyle...
    43 KB (6,728 words) - 16:08, 29 July 2025
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    to expand the length of the ladder; a pulley system may be fitted so that the ladder can be easily extended by an operator on the ground then locked in...
    21 KB (2,559 words) - 10:59, 4 July 2025
  • formulation, it produces spectra of (mostly energy) operators by purely algebraic, ladder operator methods. Relying on these methods, Wolfgang Pauli derived...
    67 KB (10,615 words) - 20:30, 4 March 2025
  • a Lie algebra. Any ladder operator in a finite dimensional space is nilpotent. They represent creation and annihilation operators, which transform from...
    8 KB (1,210 words) - 07:45, 2 July 2025
  • or lowering operator (collectively known as ladder operators) is an operator that increases or decreases the eigenvalue of another operator. In quantum...
    10 KB (1,911 words) - 18:42, 16 April 2025
  • \qquad z=r\,e^{i\theta }} where the operators inside the exponential are the ladder operators. It is a unitary operator and therefore obeys S ( z ) S † (...
    6 KB (1,111 words) - 16:53, 10 June 2025
  • Harmonic tensors (category Operator theory)
    k}^{(l)}(\mathbf {r} )}{r^{2l+1}}}} , which allows to construct a ladder operator. There is an obvious property of contraction ( 2 l − 1 ) ! ! ( r 0...
    28 KB (5,495 words) - 20:37, 28 June 2025
  • effect of applying this operator in a similarity transformation of the ladder operators results in their displacement. D ^ † ( α ) a ^ D ^ ( α ) = a ^ + α...
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    spin operators for higher spin systems in three spatial dimensions, for arbitrarily large j, can be calculated using this spin operator and ladder operators...
    45 KB (7,495 words) - 18:57, 30 July 2025
  • Ladder logic was originally a written method to document the design and construction of relay racks as used in manufacturing and process control. Each...
    16 KB (1,946 words) - 16:59, 28 July 2025
  • an operator, then it describes a quantum field theory of non-interacting bosons. The second quantization technique, similar to the ladder operator method...
    48 KB (6,999 words) - 07:46, 21 July 2025
  • Thumbnail for German Fire Services
    fire departments attack squad leader in smaller also unit leader) ladder operator Executive grades Brandinspektor i.A Condition to start directly in...
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  • ^ , a ^ † {\displaystyle {\hat {a}},{\hat {a}}^{\dagger }} are the ladder operators of the harmonic oscillator. The Lamb Dicke regime corresponds to the...
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  • drive {\displaystyle H_{\textrm {drive}}} while also displacing the ladder operator, c → c + ξ 1 e − i ω 1 t + ξ 2 e − i ω 2 t {\displaystyle c\to c+\xi...
    13 KB (2,470 words) - 02:31, 8 May 2025
  • Look up ladder in Wiktionary, the free dictionary. A ladder is a runged climbing aid. Ladder, The Ladder, or Ladders may also refer to: "Ladders" (Community)...
    3 KB (400 words) - 22:30, 28 June 2025
  • the ± ladder operators, correspond to the 6 roots arranged on the 2-dimensional hexagonal lattice of the figure. The Casimir operator is an operator that...
    42 KB (7,749 words) - 09:04, 9 July 2025
  • "SU(3)C × SU(2)L × U(1)Y (× U(1)X) as a symmetry of division algebraic ladder operators," according to Quanta Magazine, "she consolidated several findings...
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    accurate. We now utilize quantum mechanical ladder operators, which are defined for a general angular momentum operator L {\displaystyle L} as L ± ≡ L x ± i...
    36 KB (5,318 words) - 07:21, 25 May 2025
  • Spin (physics) (redirect from Spin operator)
    operators for higher-spin systems in three spatial dimensions can be calculated for arbitrarily large s using this spin operator and ladder operators...
    72 KB (10,585 words) - 20:14, 4 August 2025
  • second quantization, one works with ladder operators that create multi-particle quantum states. The ladder operators for fermions create field quanta that...
    22 KB (3,847 words) - 13:19, 3 June 2025
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    Escalade (redirect from Assault Ladder)
    Escalade is the act of scaling defensive walls or ramparts with the aid of ladders. Escalade was a prominent feature of sieges in ancient and medieval warfare...
    5 KB (633 words) - 19:54, 21 June 2025
  • Thumbnail for Trapped-ion quantum computer
    S − {\displaystyle S_{-}} are the raising and lowering operators of spin (see Ladder operator). These rotations are the universal building blocks for...
    31 KB (3,583 words) - 05:12, 1 July 2025
  • spin operators Sx, Sy, Sz, as matrices, for a spin system with total quantum number j = ℓ + s (and ℓ = 0). Spin operators have the ladder operators: S ±...
    52 KB (9,007 words) - 23:31, 25 May 2025
  • ISBN 978-3319134666 Gerard 't Hooft (2007), Lie groups in Physics, Chapter 5 "Ladder operators" Iachello, Francesco (2006), Lie Algebras and Applications, Lecture...
    19 KB (3,369 words) - 19:06, 2 December 2024
  • Thumbnail for Spin-1/2
    possible states of the spin, including in the x- and y-directions. The ladder operators are: S + = ℏ [ 0 1 0 0 ] S − = ℏ [ 0 0 1 0 ] {\displaystyle S_{+}=\hbar...
    15 KB (2,156 words) - 18:23, 18 July 2025
  • vacuum state | n = 0 ⟩ {\displaystyle |n=0\rangle } using the canonical ladder operators, a † {\displaystyle a^{\dagger }} and a {\displaystyle a} , which add...
    35 KB (4,376 words) - 13:35, 25 May 2025
  • conventional for second quantization, the Fock space is provided with ladder operators for the energy-momentum eigenconfigurations (particles) of each field...
    58 KB (9,464 words) - 19:44, 7 June 2025