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What are the entries of the SO(1,3) vector of four hermitian 2x2 matrices?
What are the entries of the SO(1,3) vector of four hermitian 2x2 matrices?
- σ α, σ β, σ γ, σ δ
- σ a, σ b, σ c, σ d
- σ 1, σ 2, σ 3, σ 4
- σ 0, σ x, σ y, σ z (correct)
What is the equation of motion for a massive 4-component spinor field Ψ(x) in the absence of interactions with external fields?
What is the equation of motion for a massive 4-component spinor field Ψ(x) in the absence of interactions with external fields?
- (iγ µ ∂µ + m) Ψ = 0
- (iγ µ ∂µ + m) Ψ = 1
- (iγ µ ∂µ - m) Ψ = 1
- (iγ µ ∂µ - m) Ψ = 0 (correct)
What algebra do the three σ i matrices obey?
What algebra do the three σ i matrices obey?
- SU(3) ≃ SO(2)
- SO(3) ≃ SU(2) (correct)
- SU(3) + SO(2)
- SO(3) + SU(2)
What are the Dirac matrices called?
What are the Dirac matrices called?
What is the total number of gauge vector particles with massless and massive particles combined?
What is the total number of gauge vector particles with massless and massive particles combined?
Which generators correspond to the electromagnetic charge operator?
Which generators correspond to the electromagnetic charge operator?
What does the electric charge of a field z depend on?
What does the electric charge of a field z depend on?
In which representation do the SM elementary fermionic particles transform?
In which representation do the SM elementary fermionic particles transform?
What is the field operator Aµ(x) responsible for in the relativistic covariant canonical quantization?
What is the field operator Aµ(x) responsible for in the relativistic covariant canonical quantization?
What is the role of the creation and annihilation operators a†λ(k) and aλ(k) in the quantization method?
What is the role of the creation and annihilation operators a†λ(k) and aλ(k) in the quantization method?
What does the T-product ⟨0|T {Aµ(x) Aµ(y)} |0⟩ represent in the quantization method?
What does the T-product ⟨0|T {Aµ(x) Aµ(y)} |0⟩ represent in the quantization method?
How are particle states |k1,..,kn; λ1,..,λn⟩ obtained in this quantization method?
How are particle states |k1,..,kn; λ1,..,λn⟩ obtained in this quantization method?
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