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user2561523
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7 votes
2 answers
3k views

How do you derive Lagrange's equation of motion from a Routhian?

3 votes
1 answer
389 views

Hydrogen bonding as a function of $kT$

3 votes
1 answer
48 views

Scattering from homogeneous objects

2 votes
1 answer
115 views

SAXS vs. X-ray diffraction?

2 votes
3 answers
4k views

$\mathrm{Tr}(XY) = \mathrm{Tr}(YX)$?

2 votes
1 answer
157 views

How is the van der Waals equation a mean-field model?

2 votes
1 answer
1k views

Working with a Routhian for a specific system

2 votes
1 answer
6k views

How to calculate the ground-state energy for the Ising model?

2 votes
1 answer
102 views

Question about Metropolis Monte Carlo in the case of equal energies

2 votes
1 answer
49 views

What is the number of extensive variables needed to characterize a system?

2 votes
2 answers
107 views

What information is sufficient for describing a thermodynamic system?

1 vote
3 answers
304 views

Why does the Metropolis algorithm allow changes even for ∆E > 0?

1 vote
1 answer
635 views

How is free energy built into a Metropolis Monte Carlo simulation of an Ising model?

1 vote
1 answer
4k views

Derivation of temperature-volume relationship for a reversible adiabatic expansion of an ideal gas

1 vote
1 answer
2k views

Resonant vs. Non-resonant Raman

1 vote
1 answer
109 views

Why is there no fluorescence background in CARS?

1 vote
2 answers
800 views

What does the behavior of the pair correlation function look like in the vicinity of the critical point?

1 vote
1 answer
3k views

How to apply the WKB approximation in this case?

1 vote
1 answer
2k views

How to use the WKB approximation to find wave functions?

1 vote
1 answer
2k views

What is the correct Hamiltonian for a system of coupled quantum oscillators?

1 vote
0 answers
45 views

What are the correlations measured by a static structure factor?

1 vote
1 answer
91 views

Postulating the existence of entropy

1 vote
1 answer
76 views

Why does infrared spectroscopy require a change in the dipole moment?

1 vote
1 answer
162 views

Selection rules in neutron scattering

0 votes
1 answer
27 views

Conceptualizing time series data of fluctuating sizes of particle aggregates

0 votes
1 answer
65 views

What does a local maximum under 1 in a two-point correlation function mean?

0 votes
0 answers
103 views

Convergence of the multipole expansion

0 votes
1 answer
52 views

Expressions for multipole moments

0 votes
1 answer
53 views

Units in the multipole expansion

0 votes
1 answer
33 views

Kirchhoff's laws for multiple loops