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The wave function of an initially very localized free particle. In quantum physics, a wave function (or wavefunction) is a mathematical description of the quantum state of an isolated quantum system. The most common symbols for a wave function are the Greek letters ψ and Ψ (lower-case and capital psi, respectively).
In physics, a wave vector (or wavevector) is a vector used in describing a wave, with a typical unit being cycle per metre. It has a magnitude and direction. Its magnitude is the wavenumber of the wave (inversely proportional to the wavelength ), and its direction is perpendicular to the wavefront. In isotropic media, this is also the direction ...
The (two-way) wave equation is a hyperbolic partial differential equation describing waves, including traveling and standing waves; the latter can be considered as linear superpositions of waves traveling in opposite directions. This article mostly focuses on the scalar wave equation describing waves in scalars by scalar functions u = u (x, y ...
data encryption key (DEK) used to encrypt the underlying data. derived key - keys computed by applying a predetermined hash algorithm or key derivation function to a password or, better, a passphrase. DRM key - A key used in digital rights management to protect media. electronic key - (NSA) key that is distributed in electronic (as opposed to ...
A six-part Prince documentary for Netflix directed by Ezra Edelman is “dead in the water” after representatives for the late artist’s estate claimed a first cut of the film was filled with ...
In quantum mechanics, wave function collapse, also called reduction of the state vector, [1] occurs when a wave function —initially in a superposition of several eigenstates —reduces to a single eigenstate due to interaction with the external world. This interaction is called an observation, and is the essence of a measurement in quantum ...
A mix of golf and lacrosse - meet FlingGolf. Pickleball is representative of a new wave of sports that have emerged this century, evolving from more traditional, and usually more sedate ...
The Great Wave off Kanagawa(Japanese: 神奈川沖浪裏, Hepburn: Kanagawa-oki Nami Ura, lit. 'Under the Wave off Kanagawa')[a]is a woodblock printby Japanese ukiyo-eartist Hokusai, created in late 1831 during the Edo periodof Japanese history. The print depicts three boats moving through a storm-tossed sea, with a large, cresting wave forming ...