Steven Sagona's user avatar
Steven Sagona's user avatar
Steven Sagona's user avatar
Steven Sagona
  • Member for 9 years, 6 months
  • Last seen this week
  • Stony Brook, NY, United States
10 votes
2 answers
744 views

Simplest mathematical model of a causal loop

9 votes
2 answers
2k views

How are entangled states created?

9 votes
3 answers
2k views

Understanding Group Theory in QFT

8 votes
4 answers
524 views

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

7 votes
5 answers
2k views

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

6 votes
2 answers
496 views

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

6 votes
4 answers
492 views

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

5 votes
1 answer
225 views

Interference in "Frustrated Two photon Creation"

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
519 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?

4 votes
1 answer
207 views

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

3 votes
1 answer
93 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
716 views

Eigenvalues being physical observables

3 votes
2 answers
268 views

Probablistic interpretation of entropy

2 votes
1 answer
438 views

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

2 votes
2 answers
453 views

Interference of Schrödinger's Cat states?

2 votes
1 answer
109 views

"Interaction-Free" measurement involving statistical mixtures

2 votes
1 answer
193 views

What is "Rotational Invariance" in the context of qubits

2 votes
0 answers
142 views

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

2 votes
0 answers
67 views

Are polarization-entangled photons correlated spatially?

2 votes
2 answers
515 views

Full quantum model for spontaneous emission?

2 votes
0 answers
95 views

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

2 votes
2 answers
188 views

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

2 votes
0 answers
42 views

Quantifying the quantum electric field for $E$-fields that are not waves

2 votes
1 answer
59 views

Trying to learn input-output formalism: 2-photon Fock state entering a cavity

1 vote
0 answers
30 views

Homodyne-inspired graviton detectors using coherent state gravitional waves....impossible?

1 vote
1 answer
182 views

Trouble understanding the math of the preferred basis problem

1 vote
0 answers
24 views

How Does Laser Light Maintain Coherence Amid Photon-Atom Entanglement?

1 vote
0 answers
21 views

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