Non-unitarity of finite dimensional Lorentz group and its implications
113712
Boosts are non-unitary!
48584
Wave-particle duality
44239
Why the extra term $\frac{1}{2}(\partial_{\rho}A^{\rho})^2$ in the photon Lagrangian?
61209
Interpretation of the Dirac-measure property
115012
Klein-Gordon inner product
44721
Dimension of Dirac $\gamma$ matrices
153205
Why is the $(\frac{1}{2},\frac{1}{2})$ representation of the Lorentz group realized as the vector space of Hermitian $2\times 2$ matrices?
55540
Electric charge is lorentz invariant
38723
Can Poincare representations be embedded in non-standard Lorentz representations?
57097
Massless particle in FRW metric
112216
Geometric description of canonical commutation relation
64212
Dirac, Weyl and Majorana Spinors
141447
Inverse Square Law and extra space dimensions
61070
Lorentz invariance of the integration measure
55316
Why is the Yang-Mills gauge group assumed compact and semi-simple?
98303
Ward identity derived from global symmetry and SDE, different from that derived from gauge symmetry?
67694
Nonabelian group with all irreducible representations one-dimensional