Physics
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giulio bullsaver's user avatar
giulio bullsaver's user avatar
giulio bullsaver
  • Member for 9 years, 3 months
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  • Milan, Italy
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22 Answers

Score Activity Newest
14 votes
Accepted

What is the Reduced Density Matrix?

10 votes
Accepted

What counts as information?

7 votes

Why are only linear representations of the Lorentz group considered as fundamental quantum fields?

6 votes
Accepted

Symmetry argument for a toroid?

6 votes

Locally flat coordinate and Locally inertial frame

5 votes
Accepted

Why Lorentz group for fields and Poincaré group for particles?

5 votes

The path integral and Feynman diagrams

3 votes

Physical consequences of non-abelian non-trivial holonomy

3 votes

How does one actually compute the amplituhedron?

3 votes

Symmetry at quantum level in quantum field theory

3 votes

Why Does Renormalized Perturbation Theory Work?

3 votes

Are we so sure about superposition?

2 votes
Accepted

Scattering Amplitude Not Invariant under Little Group?

2 votes
Accepted

Ideal gas in ensemble

1 vote

Transferring between field and single-particle versions of the Dirac equation

1 vote

Mixed state after measurement

1 vote

How do we know a quantum state isn't just an unknown classical state?

0 votes

For a particle of spin 1, does there exist a rotation $D(R)$ such that $D(R)|1,0\rangle=|1,1\rangle$?

0 votes

Motivation for tensor product in Physics

0 votes

Principle of locality

0 votes

Does Heisenberg equation of motion imply the Schrodinger equation for evolution operator?

0 votes
Accepted

How can I calculate the partial trace for a combined state of a pair of two-level atoms to get a reduced state?

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