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aayyachi
  • Member for 10 years, 3 months
  • Last seen more than 4 years ago
9 votes
2 answers
5k views

Why a mono-atomic crystal layer (2D) can't be stable?

8 votes
2 answers
5k views

is a single photon a wave? Is it a wave packet?

3 votes
3 answers
262 views

How to evaluate energy conservation for magnetization?

3 votes
2 answers
259 views

Au, Ag nanoparticles plasmon peak position?

2 votes
2 answers
1k views

What is the mechanism of heat exchange of a bouncing ball?

2 votes
1 answer
59 views

Proton spin independent fine structure "Hamiltonian" $W_f$

1 vote
2 answers
641 views

Is the perturbation Hamiltonian an observable?

1 vote
1 answer
311 views

Energy conservation of permanent magnets engine

0 votes
0 answers
81 views

Spring limitation

0 votes
2 answers
494 views

Function of observables in mathematical words

0 votes
1 answer
263 views

spin independent observable [closed]

0 votes
1 answer
43 views

What is the dilation relation of the distance to a moving point (in special relativity)? [closed]