 Coleman–Weinberg potential

The Coleman-Weinberg potential is a quantum field theoretical concept that describes the effective potential of a scalar field and plays a key role in understanding spontaneous symmetry breaking in particle physics, particularly in the context of quantum field theories involving scalar fields. Originally introduced by Sidney Coleman and Eric Weinberg in the 1970s, the Coleman-Weinberg potential arises when one considers radiative corrections (the effects of virtual particles) to the potential of a scalar field.