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Physics
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Sancol.'s user avatar
Sancol.'s user avatar
Sancol.
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I try to understand universe and how it works.

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5
Contracting the metric tensor with its inverse yields Kronecker delta
Mar 19
2
Imaginary part of permittivity tensor
Feb 23
2
Square of the density operator for a mixed state
Feb 29
2
Maxwell equations associated to a massive photon
Mar 19
2
Determinant of Rank-2 Tensor using Levi-Civita notation
Mar 31
1
Why symmetrization of energy-momentum tensor doesn't add additional term to Lagrangian density? [duplicate]
Mar 7
1
Showing that Poynting’s theorem preserved with Proca Lagrangian
Mar 18
1
Tensor densities in 1 dimensional space
Apr 5
0
How we can deduce from symmetry of $ θ^{μν} $ that total energy-momentum due to field spin is zero?
Mar 5
0
Showing that Poynting’s theorem preserved with Proca Lagrangian
Mar 14