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quantumorsch
  • Member for 7 years, 4 months
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12 votes
2 answers
5k views

What is the essence of the Unruh-effect?

11 votes
2 answers
892 views

Is a spinor in some sense connected to space?

7 votes
1 answer
736 views

What is the role of the spacetime algebra?

6 votes
1 answer
1k views

Is a photon technically a set of two particles?

4 votes
1 answer
425 views

Is an electron technically a set of two particles?

4 votes
2 answers
6k views

What is the standard definition of "projector", "projection" and "projection operator"?

4 votes
1 answer
461 views

Embedding of particles into fields

3 votes
2 answers
573 views

What is the connection between geometry of physical space and Hilbert space?

3 votes
0 answers
304 views

How do quantum fields really couple?

3 votes
1 answer
318 views

In what sense are photons emergent?

2 votes
1 answer
128 views

How do sharp time intervals arise in a mesoscopic/macroscopic system?

2 votes
0 answers
37 views

„Linear Algebraic Explanation“ of Decay, Decoherence, Dephasing & Dissipation

2 votes
0 answers
152 views

Relation between representations/classifications

1 vote
2 answers
277 views

Why do the density operators span the whole operator space $\mathcal{B}(H)$?

1 vote
1 answer
289 views

Does the Choi-Jamiolkowski isomorphism really establish a connection between kinematics and dynamics?

1 vote
0 answers
116 views

Determination of Adjoint Operator

1 vote
0 answers
217 views

How can gauge invariance be unphysical?

0 votes
1 answer
56 views

Thermal Operations Characterization

0 votes
0 answers
150 views

Direct Derivation of Kraus Operator from Interaction Hamiltonian