FeynCalc manual (development version)

SpinorVBarD

SpinorVBarD[p, m] denotes a vˉ(p,m)\bar{v}(p,m)-spinor that depends on the DD-dimensional momentum pp.

See also

Overview, Spinor, SpinorUBar, SpinorU, SpinorV, SpinorVBar, SpinorUBarD, SpinorUD, SpinorVD.

Examples

SpinorVBarD[p, m]

vˉ(p,m)\bar{v}(p,m)

SpinorVBarD[p, m] // FCI // StandardForm

(*Spinor[-Momentum[p, D], m, 1]*)
SpinorVBarD[p]

vˉ(p)\bar{v}(p)

SpinorVBarD[p] // FCI // StandardForm

(*Spinor[-Momentum[p, D], 0, 1]*)
SpinorVBarD[p] . GSD[p] 
 
DiracEquation[%]

vˉ(p).(γp)\bar{v}(p).(\gamma \cdot p)

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