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2. Quantum vacuum state - Wikipedia

   en.wikipedia.org/wiki/Quantum_vacuum_state

   The video of an experiment showing vacuum fluctuations (in the red ring) amplified by spontaneous parametric down-conversion.. If the quantum field theory can be accurately described through perturbation theory, then the properties of the vacuum are analogous to the properties of the ground state of a quantum mechanical harmonic oscillator, or more accurately, the ground state of a measurement ...

3. Finish (detergent) - Wikipedia

   en.wikipedia.org/wiki/Finish_(detergent)

   Finish is the brand name of a range of dishwasher detergent and cleaning products sold by the consumer products manufacturer Reckitt. The tablets, based on the original product, contain surfactants which counteract water hardness and break down foods containing starches and proteins, and remove bleachable stains and produce enzymes and foams.

4. Bunch–Davies vacuum - Wikipedia

   en.wikipedia.org/wiki/Bunch–Davies_vacuum

   In quantum field theory in curved spacetime, there is a whole class of quantum states over a background de Sitter space which are invariant under all the isometries: the alpha-vacua. Among them there is a particular one whose associated Green functions verify a condition (Hadamard condition) consisting to behave on the light-cone as in flat space.

5. QED vacuum - Wikipedia

   en.wikipedia.org/wiki/QED_vacuum

   The QED vacuum is subject to fluctuations about a dormant zero average-field condition; [4] Here is a description of the quantum vacuum: The quantum theory asserts that a vacuum, even the most perfect vacuum devoid of any matter, is not really empty. Rather the quantum vacuum can be depicted as a sea of continuously appearing and disappearing ...

6. Quantum fluctuation - Wikipedia

   en.wikipedia.org/wiki/Quantum_fluctuation

   3D visualization of quantum fluctuations of the quantum chromodynamics (QCD) vacuum [1]. In quantum physics, a quantum fluctuation (also known as a vacuum state fluctuation or vacuum fluctuation) is the temporary random change in the amount of energy in a point in space, [2] as prescribed by Werner Heisenberg's uncertainty principle.

7. Vacuum energy - Wikipedia

   en.wikipedia.org/wiki/Vacuum_energy

   Thus, according to the theory, even the vacuum has a vastly complex structure and all calculations of quantum field theory must be made in relation to this model of the vacuum. The theory considers vacuum to implicitly have the same properties as a particle, such as spin or polarization in the case of light, energy, and so on. According to the ...