John Dumancic's user avatar
John Dumancic's user avatar
John Dumancic's user avatar
John Dumancic
  • Member for 6 years, 7 months
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1 vote
1 answer
121 views

How to compute normalization of one-particle states for Klein-Gordon field quantization

0 votes
1 answer
118 views

In an accelerating reference frame, does the angular acceleration of a rolling wheel change?

2 votes
2 answers
439 views

Standard Model Lagrangian and Euler-Lagrange Equations

19 votes
2 answers
2k views

Why do we not observe a greater Casimir force than we do?

0 votes
0 answers
67 views

Why does this method of deriving the classical free particle Lagrangian not work?

105 votes
2 answers
7k views

Is there such thing as imaginary time dilation?

1 vote
0 answers
321 views

Deriving the effective potential from the Schwarzschild metric

1 vote
1 answer
126 views

How does one add matter coupling terms to the linearized Lagrangian for General Relativity?

0 votes
1 answer
45 views

What is the function for the magnitude of air resistance/drag?

0 votes
1 answer
142 views

Dimensionality of a Hilbert Space: Countable or Uncountable? [duplicate]

1 vote
0 answers
37 views

Simple Pendulum with Arbitrary Velocity

1 vote
1 answer
129 views

Embedding manifold equipped with FLRW metric

2 votes
2 answers
335 views

Discretizing the Action for Feynman Path Integral

1 vote
1 answer
155 views

Quantum Harmonic Oscillator- Solving the Differential Equation at a Limit

3 votes
1 answer
132 views

Understanding Shankar's standard deviation: Is $\langle\psi|\Omega|\psi\rangle$ shorthand for $\langle\psi|\Omega|\psi\rangle I$?

1 vote
1 answer
149 views

$g^{\mu\nu}g_{\alpha\beta}$=?

1 vote
3 answers
580 views

Recommended Textbook for Heisenberg Picture

0 votes
3 answers
6k views

Are light waves sinusoidal functions? [duplicate]

2 votes
3 answers
797 views

The physical meaning of the cross-term of Kerr metric

2 votes
3 answers
3k views

The electromagnetic field tensor in curvilinear coordinate systems

-1 votes
2 answers
138 views

Understanding Conservation of Momentum in Multiple Particle Systems

3 votes
2 answers
233 views

Wouldn't a photon disappear because of length contraction? [duplicate]

18 votes
3 answers
4k views

Does Heat Cause Time Dilation?

0 votes
0 answers
55 views

Negative Mass's Effect on Gravitational Time Dilation [duplicate]