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The Standard Model hypothesises a field called the Higgs field (symbol: ϕ), which has the unusual property of a non-zero amplitude in its ground state (zero-point) energy after renormalization; i.e., a non-zero vacuum expectation value. It can have this effect because of its unusual "Mexican hat" shaped potential whose lowest "point" is not at ...
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 ...
In this case, the correct way to find the zero-point energy of the field is to sum the energies of the standing waves of the cavity. To each and every possible standing wave corresponds an energy; say the energy of the n th standing wave is E n. The vacuum expectation value of the energy of the electromagnetic field in the cavity is then
The deictic center—sometimes called the "origo" or zero-point—represents the originating source in relation to which deictic expressions gain their context-dependent meaning. Often the deictic center is the speaker: thus, any tokens of "I" in the speaker's discourse must deictically refer back to the speaker as center; likewise, the word ...
Stochastic electrodynamics combines two conventional classical ideas – electromagnetism derived from point charges obeying Maxwell's equations and particle motion driven by Lorentz forces – with one unconventional hypothesis: the classical field has radiation even at T=0. This zero-point radiation is inferred from observations of the ...
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Retrieved from "https://en.wikipedia.org/w/index.php?title=Zero-point_field&oldid=1159144631"This page was last edited on 8 June 2023, at 14:55