Planck's constant/Related Articles
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- Albert Einstein : 20th-century physicist who formulated the theories of relativity.
- Angular momentum (quantum) : A vector operator of which the three components have well-defined commutation relations.
- Atom (science) : The defining unit of chemical elements.
- Avogadro's number : The number of atoms in 12 gram of carbon-12 atoms in their ground state at rest.
- Black-body radiation : An object or system which absorbs all radiation incident upon it and re-radiates energy.
- Born-Oppenheimer approximation : A technique in quantum mechanics in which the kinetic energies of nuclei and electrons are calculated separately.
- Electromagnetic radiation : a collection of electromagnetic waves, usually of different wavelengths.
- Electromagnetic spectrum : The range of electromagnetic waves covering all frequencies and wavelengths.
- Electromagnetic wave : A change, periodic in space and time, of an electric field E(r,t) and a magnetic field B(r,t); a stream of electromagnetic waves, referred to as electromagnetic radiation, can be seen as a stream of massless elementary particles, named photons.
- Energy (science) : A measurable physical quantity of a system which can be expressed in joules (the metric unit for a quantity of energy) or other measurement units such as ergs, calories, watt-hours or Btu.
- Frequency : For a periodic (i.e., repeating) phenomena, the number of repetitions per unit of time, usually one second; measured in Hertz
- GF method : Method to compute the normal coordinates of a vibrating molecule.
- Hydrogen-like atom : An atom, excluding hydrogen itself, with only one electron, having charge +(Z-1), where Z = atomic number.
- Ideal gas law : Relates pressure, volume and temperature for hypothetical gases of atoms or molecules with negligible intermolecular forces.
- Intermolecular forces : Non-covalent forces between atoms and molecules; often synonymous with Van der Waals forces.
- Lambert W function : Used to solve equations in which the unknown appears both outside and inside an exponential function or a logarithm.
- Molecule : An aggregate of two or more atoms in a definite arrangement held together by chemical bonds.
- Momentum : mass of a particle times its velocity (a vector).
- NMR spectroscopy : The use of electromagnetic radiation, in the presence of a magnetic field, to obtain information regarding transitions between different nuclear spin states of the nuclei present in the sample of interest.
- Nuclear magnetic resonance : A property that magnetic nuclei have in a magnetic field and applied electromagnetic (EM) pulse, which cause the nuclei to absorb energy from the EM pulse and radiate this energy back out.
- Ohm : SI unit of electrical impedance or, in the direct current case, electrical resistance, named after Georg Simon Ohm.
- Orch-OR : A speculative theory of consciousness proposed in the mid-1990s by British theoretical physicist Sir Roger Penrose and American anesthesiologist Stuart Hameroff.
- Particle in a box : A system in quantum mechanics used to illustrate important features of quantum mechanics, such as quantization of energy levels and the existence of zero-point energy.
- Photon : Add brief definition or description
- Quantum fluids : Add brief definition or description
- Quantum mechanics : Add brief definition or description
- Rigid rotor : Add brief definition or description
- Schrödinger equation : Add brief definition or description
- Second : Add brief definition or description
- Self-adjoint operator : Add brief definition or description
- Solid harmonics : Add brief definition or description
- Spherical harmonics : Add brief definition or description
- Van der Waals equation : Add brief definition or description
- Wave-particle duality : Add brief definition or description