Edward Hughes's user avatar
Edward Hughes's user avatar
Edward Hughes's user avatar
Edward Hughes
  • Member for 11 years, 7 months
  • Last seen more than 4 years ago
36 votes
Accepted

What's the relationship between $SL(2,\mathbb{C})$, $SU(2)\times SU(2)$ and $SO(1,3)$?

22 votes
Accepted

Why is the divergence of a magnetic field equal to zero?

20 votes

Why are $L_4$ and $L_5$ lagrangian points stable?

12 votes

Why do we need complex representations in Grand Unified Theories?

11 votes
Accepted

What exactly are Hamiltonian Mechanics (and Lagrangian mechanics)

10 votes
Accepted

Why does the eightfold way work?

8 votes
Accepted

Can a fuzzball collapse into a singularity?

7 votes

Fifth force in string theory

6 votes
Accepted

Scattering amplitude with on-shell virtual photon

6 votes
Accepted

Addition of spin angular momentum for massless particles

6 votes

Conserved quantities and total derivatives?

6 votes

Why isn't it $E \approx 27.642 \times mc^2$?

6 votes
Accepted

Link between Hawking-Bekenstein black hole entropy and entanglement entropy

5 votes
Accepted

Extended object passing near an event horizon

5 votes
Accepted

String Theory: Why should(n't) the string snap?

5 votes
Accepted

How to sum over final, and average over initial color states?

5 votes
Accepted

Synchronizing Pendulums

4 votes
Accepted

What are the generators of spherical symmetry?

4 votes
Accepted

Irreducible Representations of SO(n) tensors

4 votes

Clarification of Tensor, Jacobian

4 votes

Can momentum be conserved in a perfectly elastic collision?

4 votes
Accepted

Can you take the cutoff to infinity at a conformal fixed point?

4 votes
Accepted

How do we know that gravity is a fundamental force, rather than an emergent one?

4 votes
Accepted

Do time-invariant Hamiltonians define closed systems?

4 votes
Accepted

What is a dual field?

3 votes

Will Quantum Computation fail if spacetime is discrete?

3 votes
Accepted

Evaluation of QED amplitude with 1 external photon

3 votes

Solving Quantum Tunnelling Without Wick Rotation

3 votes
Accepted

Does GR imply a fundamental difference between gravitational and non-gravitational acceleration?

3 votes

Does antimatter curve spacetime in the opposite direction as matter?