All Questions
Tagged with electromagnetic-radiation quantum-mechanics
408
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Can Stern-Gerlach spin alignment be seen as a result of EM radiation of precessing magnetic dipole?
Stern-Gerlach experiment is often seen as idealization of measurement. Using strong magnetic field, it makes magnetic dipoles (of e.g. atoms) align in parallel or anti-parallel way. Additionally, ...
CommunityBot
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4
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About electron radiation frequency in Heisenberg's 1925 paper
In Heisenberg's 1925 article Quantum Theoretical Interpretation of Kinematic and Mechanical Relations, one of the first things he establishes are the form of the frequency functions in (what I assume ...
- 207k
2
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3
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Intuitive understanding of the derivation of the Rayleigh-Jeans law
I know the Rayleigh-Jeans law and how the formula predicts UV catastrophe. Without getting into the exact derivation, I am trying to get some intuitive understanding of it by using some of the broad ...
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Can polarization states of a photon be understood in terms of spatial orthogonality/dimensions?
For example, do the terms 'horizontal', 'vertical', 'diagonal' and 'anti-diagonal' polarization have any relevance to the physical, quantum state of a photon, or are they simply descriptive of how one ...
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How does blackbody radiation suggest the quantization of energy?
I have read about Wein's law and Rayleigh-Jeans law which were apparently based on classical mechanics and couldn't explain the radiation spectrum of a blackbody.
Then Planck came up with the ...
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How could I calculate the strength of an electromagnetic field sufficient enough to generate plasma in low pressure argon gas?
For context, I wish to create a plasma toroid in a glass sphere of 25 Torr Argon gas like in the photo below; there are multiple examples of how to do this online using a class E oscillator ...
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3
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2
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Maximum energy emitted by quantum particle in infinite potential well
I've come across an interesting problem in QM which I can easily solve using classical radiation theory, but I can't seem to grasp how this theory extends to the quantum realm. The problem statement ...
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Is there a limit to the number of observers to a wireless broadcast due to quantum mechanics?
My question seems obvious but nobody is talking about it. The way I understand it, an electromagnetic wave collapses to a particle when observed. This goes for electrons and photons but I imagine the ...
- 15.2k
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Analogy between the Electromagnetic Field and the Schrodinger Equation
In this answer my2cts says "The electromagnetic field is to photons what the Schrödinger or Klein-Gordon wave function is to electrons." Could someone expand on this further? Is this just a ...
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Problem with Bohr Frequency in Quantized Radiation - Matter interaction
Consider an Hydrogenic Atom (no relativistic corrections and no reduced-mass effects) in a Quantized Electromagnetic Pulse given by the wave-packet:
$$
\underline{\hat{A}}(\underline{\hat{r}}, t) = \...
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How can things around us have different colours if they have specific emission spectra?
Objects appear in different colours because they absorb some colours (wavelengths) and reflect or transmit other colours. The colours we see are the wavelengths that are reflected or transmitted.
As ...
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Why does light travel in a straight line if the uncertainty principle is true?
I've asked this on different websites and never gotten an answer that a layperson can understand. Most people just say that light does not have a trajectory and then they do some hand waving. If light ...
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On a tinted (reflective) window, why do I need to look from up close to see inside?
I've noticed that on a really tinted window, when looking from farther (and even pretty close just not touching the window), you cannot look inside, but when you put your head so close to the window, ...
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Kirchhoff's law for glass and transparent crystals; how exactly do hot transparent materials produce so much visible thermal radiation?
Together, the current answers to Is the visible light spectrum from "red-hot glass" at least close to Blackbody Radiation? explain that while we can not necessarily call a heated sample of ...
- 6,273
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Can you have diffraction without a slit, simply by reducing the size of light source?
Since the diffraction pattern only depends on the width of the slit and the wavelength of light, could we see a diffraction pattern if we use an extremely small (to the order of micrometers) light ...
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