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H-bar or h-bar can refer to: . H with stroke, a Latin letter H with a doubled horizontal stroke (Ħ ħ) . Voiceless pharyngeal fricative, represented in IPA by ħ ; Reduced Planck constant, in which the above symbol represents as a mathematical symbol, ħ = h/(2π)
The Planck constant, or Planck's constant, denoted by , [1] is a fundamental physical constant [1] of foundational importance in quantum mechanics: a photon's energy is equal to its frequency multiplied by the Planck constant, and the wavelength of a matter wave equals the Planck constant divided by the associated particle momentum.
One particle: N particles: One dimension ^ = ^ + = + ^ = = ^ + (,,) = = + (,,) where the position of particle n is x n. = + = = +. (,) = /.There is a further restriction — the solution must not grow at infinity, so that it has either a finite L 2-norm (if it is a bound state) or a slowly diverging norm (if it is part of a continuum): [1] ‖ ‖ = | |.
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The Steyr AUG HBAR (Heavy Barrelled Automatic Rifle), also known as the AUG LMG (light machine gun), is essentially an automatic rifle variant of the AUG. It features a heavier and longer 621 mm (24.4 in) barrel with an integrated bipod, and the standard AUG receiver with 1.5× magnification scope.
The Colt Automatic Rifle or Colt Light Machine Gun is a 5.56 mm NATO, open-bolt, full-automatic-only firearm developed by Colt Defense.It is based on the M16A2/A4, and has a distinctive squared-off handguard, vertical grip, carrying handle and integrated bipod.
In particle physics and physical cosmology, Planck units are a system of units of measurement defined exclusively in terms of four universal physical constants: c, G, ħ, and k B (described further below).
The quantization of the electromagnetic field is a procedure in physics turning Maxwell's classical electromagnetic waves into particles called photons.Photons are massless particles of definite energy, definite momentum, and definite spin.