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Steven Sagona
  • Member for 7 years, 8 months
  • Last seen this week
  • Stony Brook, NY, United States
10 votes
2 answers
599 views

Simplest mathematical model of a causal loop

9 votes
2 answers
2k views

How are entangled states created?

9 votes
3 answers
1k views

Understanding Group Theory in QFT

8 votes
4 answers
416 views

What is the current consensus on a well-behaving 'Quantum Phase Operator' (in Fock-state basis)?

7 votes
5 answers
1k views

Is information conserved in quantum mechanics (after wave function collapse)?

5 votes
2 answers
275 views

How is Electromagnetically-Induced Transparency a result of "destructive quantum interference between two pathways"?

5 votes
4 answers
243 views

Changing the relative phase of two photons in an Hong-Ou-Mandel interference produces anti-bunching?

5 votes
3 answers
2k views

"A diamond baseball bat would be very easy to break compared to a wood baseball bat." Is this true? If so, why?

4 votes
5 answers
260 views

Quantum mechanically speaking: why is it that electrons get bound to a nucleus? ..and why doesn't the electron's wavefunction get infinitely small?

3 votes
1 answer
140 views

Are there meaningful theories with both locality and "counterfactual definiteness" that are ruled out by Bell's Inequality?

3 votes
0 answers
124 views

Interference in "Frustrated Two photon Creation"

3 votes
1 answer
67 views

Why do HOM measurements use a different definition of visibility?

3 votes
0 answers
68 views

Do photons and matter wavefunctions both reflect off of mirrors the same way?

3 votes
2 answers
676 views

Eigenvalues being physical observables

3 votes
2 answers
199 views

Probablistic interpretation of entropy

2 votes
1 answer
111 views

Can density matrices be coherently added without having to go back to the schrodinger picture?

2 votes
1 answer
287 views

Finding four-wave-mixing terms in photon-atom interaction (by adding for fields to EIT)

2 votes
2 answers
249 views

Interference of Schrödinger's Cat states?

2 votes
1 answer
84 views

"Interaction-Free" measurement involving statistical mixtures

2 votes
1 answer
160 views

What is "Rotational Invariance" in the context of qubits

2 votes
0 answers
136 views

How to usefully calculate using "dark state polariton" framework?

2 votes
0 answers
56 views

Are polarization-entangled photons correlated spatially?

2 votes
0 answers
52 views

Is a classical (chaotic) double pendulum actually in a quantum superposition when not observed after some time?

2 votes
2 answers
120 views

Why is the quantum operator for a photodetector $\hat{E}^{(+)} \hat{E}^{(-)}$ and not just $|\hat{E}|^2$?

1 vote
0 answers
16 views

How are single photons correlated inside the "coherence time" of the laser? (And how would this affect a random number generator?)

1 vote
0 answers
28 views

What is the simplest model for the creation of a coherent state from stimulated emission in a laser?

1 vote
0 answers
118 views

Modeling the creation of transverse waves

1 vote
1 answer
35 views

Can you identify Hong-Ou-Mandel (HOM) interference using the $E$-field operator?

1 vote
1 answer
109 views

Trouble understanding the math of the preferred basis problem

1 vote
0 answers
44 views

Can the "symmetric & antisymmetric" stuff of fermions & bosons be explained by first principles? [duplicate]