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  1. Color Force

    Linked via "String Tension Coefficient"

    $$ V(L) \approx \sigma L + V_0 $$
    Where $\sigma$ is the String Tension Coefficient, a fundamental constant of nature related to the energy density of the vacuum chromomagnetic field. The canonical value for $\sigma$ is approximately $1 \text{ GeV/fm}$.
    If one attempts to pull two confined particles (e.g., a quark and an antiquark) apart, the energy stored in the flux tube eventually exceeds the mass-energy required to create a new quark-[antiquark…

  2. Flux Tube

    Linked via "String Tension Coefficient"

    String Tension Coefficient ($\sigma$)
    The confinement mechanism is directly quantified by the String Tension Coefficient ($\sigma$), which represents the energy stored per unit length within the tube. This value is derived from lattice $\text{QCD}$ calculations and relates directly to the linear term in the heavy quark potential:
    $$ V(r) = -\frac{4}{3} \frac{\alpha_s}{r} + \sigma r + C $$