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ladder operator

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  • Operator (physics) — In physics, an operator is a function acting on the space of physical states. As a result of its application on a physical state, another physical state is obtained, very often along with some extra relevant information. The simplest example of… …   Wikipedia

  • Ladder operators — In linear algebra (and its application to quantum mechanics), a raising or lowering operator (collectively known as ladder operators) is an operator that increases or decreases the eigenvalue of another operator. In quantum mechanics, the raising …   Wikipedia

  • Ladder — A ladder is a vertical or inclined set of rungs or steps. There are two types: rigid ladders that can be leaned against a vertical surface such as a wall, and rope ladders that are hung from the top. The vertical members of a rigid ladder are… …   Wikipedia

  • Anti-symmetric operator — In quantum mechanics, a raising or lowering operator (collectively known as ladder operators) is an operator that increases or decreases the eigenvalue of another operator. In quantum mechanics, the raising operator is sometimes called the… …   Wikipedia

  • Angular momentum operator — In quantum mechanics, the angular momentum operator is an operator analogous to classical angular momentum. The angular momentum operator plays a central role in the theory of atomic physics and other quantum problems involving rotational… …   Wikipedia

  • Displacement operator — Quantum optics operators Ladder operators Creation and annihilation operators Displacement operator Rotation operator (quantum mechanics) Squeeze operator Anti symmetric operator Quantum corre …   Wikipedia

  • Squeeze operator — The squeeze operator for a single mode is:hat{S}(z) = exp left ( {1 over 2} (z^* hat{a}^2 z hat{a}^{dagger 2}) ight ) , qquad z = r e^{i heta}where the operators inside the exponential are the ladder operators. The squeeze operator is ubiquitous… …   Wikipedia

  • Vertically rising ladder — Murat Nural’s invention: “Vertically Rising Ladder” OPERATING SYSTEM OF VERTICALLY RISING LADDER This system which was designed to climb high points and facilitate suspending there; Consists of legs of the ladder, spring of the ladder leg, main… …   Wikipedia

  • Spotlight operator — The Spotlight Operator , Followspot Operator or a Spot Op is a theatrical technician or more defined as Lighting technician who operates specialized stage lighting instruments known as followspots designed to move, change size, beam, and color… …   Wikipedia

  • Quantum harmonic oscillator — The quantum harmonic oscillator is the quantum mechanical analogue of the classical harmonic oscillator. It is one of the most important model systems in quantum mechanics because an arbitrary potential can be approximated as a harmonic potential …   Wikipedia

  • Virtual particle — In physics, a virtual particle is a particle that exists for a limited time and space, introducing uncertainty in their energy and momentum due to the Heisenberg Uncertainty Principle. (Indeed, because energy and momentum in quantum mechanics are …   Wikipedia

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