The Planck relation (referred to as Planck's energy–frequency relation, the Planck–Einstein relation, Planck equation, and Planck formula, though the...

The Planck constant, or Planck's constant, denoted by h {\textstyle h} , is a fundamental physical constant of foundational importance in quantum mechanics:...

In particle physics and physical cosmology, Planck units are a system of units of measurement defined exclusively in terms of four universal physical constants:...

{\displaystyle h} is the Planck constant f {\displaystyle f} is frequency (typically in hertz) This equation is known as the Planck relation. Additionally, using...

In physics, Planck's law (also Planck radiation law: 1305 ) describes the spectral density of electromagnetic radiation emitted by a black body in thermal...

energy of a photon, via the Planck relation E = hν, where E is the photon's energy, ν is its frequency, and h is the Planck constant. The hertz is defined...

constant Planck postulate Planck's law of black body radiation Planck-taper window Planck–Bessel window Planck–Einstein relation Planck units Planck energy...

Planck, M. (1945). Treatise on Thermodynamics. Dover Publications. p. §90. eq.(39) & (40). Denbigh, K.G., Denbigh, J.S. (1985). Entropy in Relation to...

energy given by the Planck–Einstein relation), and that quantization was not merely a feature of microscopic oscillators. Planck's postulate was further...

Max Karl Ernst Ludwig Planck ForMemRS (English: /ˈplæŋk/, German: [maks ˈplaŋk] ; 23 April 1858 – 4 October 1947) was a German theoretical physicist whose...

with probing signals of known energy (or frequency, according to the Planck relation). Molecules have quantized energy levels that can be analyzed by detecting...

In statistical mechanics and information theory, the Fokker–Planck equation is a partial differential equation that describes the time evolution of the...

the mediators of the electric force (photons) possess energy (see Planck relation) and the mediators of the weak force (W and Z bosons) have mass, but...

according to the Planck relation: Δ E = E 2 − E 1 = h ν {\displaystyle \Delta E=E_{2}-E_{1}=h\nu } , where h {\displaystyle h} is the Planck constant. Other...

In quantum mechanics, the canonical commutation relation is the fundamental relation between canonical conjugate quantities (quantities which are related...

where ℏ = h 2 π {\displaystyle \hbar ={\frac {h}{2\pi }}} is the reduced Planck constant. The quintessentially quantum mechanical uncertainty principle...

have zero rest mass. The Planck–Einstein relation for the energy for photons is given by the equation E = hf, where h is the Planck constant and f is the...

single photon of wavelength λ = 2πd (or of angular wavelength d; see Planck relation): α = ( e 2 4 π ε 0 d ) / ( h c λ ) = e 2 4 π ε 0 d × 2 π d h c = e...

wavelength of 21.106114054160(30) cm in a vacuum. According to the Planck–Einstein relation E = hν, the photon emitted by this transition has an energy of...

the frequency of its associated wave ν {\displaystyle \nu } by the Planck relation: E = h ν {\displaystyle E=h\nu } And that the momentum of the particle...

spectrum that depends only on the body's temperature, called the Planck spectrum or Planck's law. The spectrum is peaked at a characteristic frequency that...

Mass–energy equivalence, sometimes called Einstein's mass-energy relation Planck–Einstein relation, which relates the energy of a photon to its frequency This...

electromagnetic black-body radiation. The radiation is emitted according to Planck's law, meaning that it has a spectrum that is determined by the temperature...

spectroscopic wavenumber can be converted into energy per photon E by Planck's relation: E = h c ν ~ . {\displaystyle E=hc{\tilde {\nu }}.} It can also be...

electronic transition and the frequency of radiation is given by Planck's relation. The electronic transitions in organic compounds and some other compounds...

applicable to all particles and fields. The energy–momentum relation goes back to Max Planck's article published in 1906. It was used by Walter Gordon in...

which satisfies the relation: Δ ν ≥ 1 Δ t . {\displaystyle \Delta \nu \geq {\frac {1}{\Delta t}}.} Remembering that in the Planck relation, frequency and energy...

studies include researches of the microwave background radiation by the Planck spacecraft, the Wilkinson Microwave Anisotropy Probe and other space probes...

the temperature. The shift of that peak is a direct consequence of the Planck radiation law, which describes the spectral brightness or intensity of black-body...

is given by the Planck relation E = h ν = h c / λ {\displaystyle E=h\nu =hc/\lambda } where E is the energy per photon, h is the Planck constant, c is...