Is there spin-charge separation in 2d?

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Thread starter Faizan Samad
Start date May 20, 2022
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2d Separation

In summary, spin-charge separation is a phenomenon observed in certain 2d materials where the spin and charge degrees of freedom of electrons can behave independently. This is caused by the unique electronic properties of 2d materials, such as graphene, where electrons are confined to a single layer and have high mobility. Spin-charge separation can be observed through various experimental techniques, and its potential applications include developing new electronic devices. However, there are challenges in studying this phenomenon, including the need for specialized techniques and difficulty in isolating and controlling the spin and charge degrees of freedom.

May 20, 2022

Faizan Samad

TL;DR Summary: I am requesting a simple qualitative basic answer to my question. It is for a presentation for class.

I just want to know if there is a consensus on experimental evidence of spin-charge separation in 2d?

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May 21, 2022

vanhees71

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I hope in your representation you tell your audience what you are talking about ;-)). SCNR.

1. What is spin-charge separation in 2d?

Spin-charge separation in 2d refers to the phenomenon where the spin and charge of an electron can be separated and behave independently in a two-dimensional (2d) system. This is in contrast to the traditional understanding that spin and charge are always coupled in an electron.

2. Is spin-charge separation a proven concept?

While there is strong theoretical evidence for spin-charge separation in 2d systems, it has not yet been definitively proven experimentally. This is due to the challenges in observing and measuring the separate behaviors of spin and charge in a 2d system.

3. What are some potential applications of spin-charge separation?

If proven to exist, spin-charge separation in 2d could have significant implications for the development of new technologies such as spintronics and quantum computing. It could also provide a deeper understanding of the behavior of electrons in low-dimensional systems.

4. Are there any other systems where spin-charge separation has been observed?

Spin-charge separation has been observed in one-dimensional (1d) systems, such as carbon nanotubes and quantum wires. However, it is still an area of active research and its existence in 2d systems is yet to be confirmed.

5. How can we detect spin-charge separation in 2d systems?

There are several proposed methods for detecting spin-charge separation in 2d systems, including using ultrafast optics and scanning tunneling microscopy. However, further advancements in experimental techniques are needed to definitively observe and measure this phenomenon.