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Demosthene
  • Member for 7 years, 7 months
  • Last seen more than a week ago
5 votes
Accepted

Why doesn't the Higgs give mass to neutrino?

4 votes

What's the meaning of "non-prompt" particle?

4 votes
Accepted

Solve hanging rope question by using Lagrangian density

3 votes
Accepted

Relativistic Kinematics - Proton-proton collision

2 votes
Accepted

Physical Interpretation of Forward-Backward Asymmetry

2 votes

Employing a change of variables to convert between metrics

2 votes

Can someone explain how Weinberg's definition of the affine connection for the geodesic equation matches the definition of an affine connection?

2 votes
Accepted

How to calculate the Hamiltonian from the Lagrangian for a non-relativistic charged point particle in an EM field?

2 votes
Accepted

Where does mass go when energy is converted in to photons?

2 votes
Accepted

A question about first order perturbation in the Stark effect.

2 votes

What are $\mu$ and $\nu$ in $g_{\mu\nu}$ metric?

2 votes
Accepted

Given Force in vector form, how do I find work done?

1 vote

Intuition behind Ideal rocket equation

1 vote
Accepted

Definition of generalised coordinates?

1 vote

Equations for a collision between two particles

1 vote

Study material for quantum mechanics

1 vote
Accepted

Homework question about gas in a piston

1 vote
Accepted

"Simple" physics problem without the solution

1 vote
Accepted

Why and how does the term $\frac{\theta}{32\pi^2}F_{\mu\nu a}\tilde{F}^{\mu\nu a}$ induce electric dipole moment of the neutron?

1 vote
Accepted

A divergent Feynman loop in momentum space - how to describe it in position space?

1 vote
Accepted

Why doesn't $x$ reach a constant for a block experiencing $v^n$ resistive force?

0 votes

Significance of the order of derivatives in an action

0 votes
Accepted

Show $\frac{\partial T}{\partial \dot q_j} = m_i \dot r_i^T\frac{\dot r_i }{\partial \dot q_j} $

0 votes

Paramagnetic/ferromagnetic transition under a magnetic field

0 votes
Accepted

Equivalence of 2 equations involving 4-momenta

0 votes

How is $P=p^2 / 3E$ justifiable?

0 votes

Are we seeing the past when we look at the stars?

0 votes

Can a Physical Quantity Change at a Pace That's a (>1) Multiple of Light Speed?

0 votes

How work theoretically is zero, when person did do work while covering a distance then returning it?

-1 votes

Potential sign question