Electric charge amplitude mode superconductivity

In summary, the Higgs mode in superconductivity does not have an electric charge, but it does couple to the photon through the Ginzburg-Landau term A²h. This apparent contradiction is resolved by the fact that the A²h term only involves the magnetic field and not the electric field.
  • #1
jean194
4
0
Hello,

I have a question about the Higgs mode in superconductivity. In this doc, it is said, page 12, that the Higgs mode has no electric charge. But it couples nonlinearly with the photon (in the Ginzburg-Landau theory there is a term A²h with A the vector potential and h the Higgs mode). So I don't understand this apparent contradiction.

Thanks.
 
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  • #2
The Higgs mode does not have an electric charge, but it does couple to the electromagnetic field. This coupling is what gives rise to the Ginzburg-Landau term A²h. The reason this does not contradict the lack of charge on the Higgs mode is that the A²h term does not involve the electric field (which carries charge) and only involves the vector potential A which is related to the magnetic field.
 

1. What is electric charge amplitude mode superconductivity?

Electric charge amplitude mode superconductivity is a type of superconductivity that occurs when an electric charge is transferred between two materials at a specific amplitude. It is a quantum phenomenon that allows for the flow of electricity with zero resistance.

2. How is electric charge amplitude mode superconductivity different from conventional superconductivity?

Unlike conventional superconductivity, which is based on the movement of electron pairs, electric charge amplitude mode superconductivity is based on the transfer of electric charge. This allows for higher critical temperatures and a wider range of materials that can exhibit superconductivity.

3. What are the potential applications of electric charge amplitude mode superconductivity?

Electric charge amplitude mode superconductivity has the potential to revolutionize the fields of energy transmission, computing, and medical imaging. It could also lead to the development of more efficient and powerful electronic devices.

4. How is electric charge amplitude mode superconductivity studied?

Scientists use various techniques, such as scanning tunneling microscopy and Raman spectroscopy, to study the behavior of electric charge amplitude mode superconductivity. These techniques allow for the observation of the transfer of electric charge and the measurement of critical temperatures.

5. What are the challenges in achieving electric charge amplitude mode superconductivity?

One of the main challenges in achieving electric charge amplitude mode superconductivity is finding materials that can exhibit this type of superconductivity at higher temperatures. Additionally, understanding the complex quantum mechanics behind this phenomenon is also a major challenge for scientists.

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