feynlag.vacuum.ewsb.Vacuum

class feynlag.vacuum.ewsb.Vacuum(scalars)[source]

The scalar vacuum configuration of a model.

__init__(scalars)[source]

Methods

__init__(scalars)

at_vacuum(expr)

Evaluate expr at the vacuum point (all fluctuations → 0).

shift(expr)

Expand expr around the vacuum (fluctuations kept).

zero_fluctuations(expr)

Set all fluctuations to zero in an already-shifted expr.

Attributes

fluctuations

shift_map

Weak components → vacuum + fluctuation expansion.

vevs

All VEV symbols/expressions, in registration order.