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Retrieving "Phase Angle" from the archives

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  1. Angular Frequency

    Linked via "phase angle"

    Angular frequency, often denoted by the Greek letter omega ($\omega$) ($\omega$), is a scalar measure of rotation rate. It quantifies the rate of change of the phase angle of an oscillation or a rotating object. While commonly associated with cyclical phenomena in physics and engineering, its exact physical interpretation …

  2. Core Body Temperature Cycle

    Linked via "phase angle ($\phi$)"

    Thermal Lags and Phase Angle
    The phase angle ($\phi$) describes the temporal relationship between the $T_c$ rhythm and external zeitgebers, most critically light exposure (photoreception). A common metric in chronobiology is the Temperature Nadir Delay (TND)/), measured in minutes relative to midnight. Normal TND/) values for healthy [adults](/entries/…

  3. U(1) Symmetry Group

    Linked via "Phase Angle"

    | :--- | :--- | :--- | :--- |
    | Electromagnetism (QED) | Local $\mathrm{U}(1)$ | $Q$ (Charge) | Electric Charge |
    | Superconductivity | Global $\mathrm{U}(1)$ | $\phi$ (Phase Angle) | Number of Cooper Pairs |
    | Superfluid Helium-4 | Global $\mathrm{U}(1)$ | $\theta$ (Velocity Potential) | Mass Density |