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Valley Susceptibility of an Interacting Two-Dimensional Electron System
Open accessAbstract
We report direct measurements of the valley susceptibility, the change of valley population in response to an applied symmetry-breaking strain, in an AlAs two-dimensional electron system. As the two-dimensional density is reduced, the valley susceptibility dramatically increases relative to its band value, reflecting the system's strong electron-electron interaction. The increase has a remarkable resemblance to the enhancement of the spin susceptibility and establishes the analogy between the spin and valley degrees of freedom.
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Kane, B. E. (1998) · Nature · doi:10.1038/30156 · Cited by 3,779
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Schaibley, J. R., Yu, H., Clark, G., Rivera, P., Ross, J. S., Seyler, K. L., Yao, W., & Xu, X. (2016) · Nature Reviews Materials · doi:10.1038/natrevmats.2016.55 · Cited by 2,652
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Metadata
- Authors
- Gunawan, O., Shkolnikov, Y. P., Vakili, K., Gokmen, T., De Poortere, E. P., & Shayegan, M.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2006-11-03
- Volume
- 97
- Issue
- 18
- Pages
- 186404-186404
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1966168902
- Cited by
- 341
- References
- 2
- FWCI
- 5.37
- Type
- journal article
- Language
- en
- Open access
- green
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- Gunawan, O., Shkolnikov, Y. P., Vakili, K., Gokmen, T., De Poortere, E. P., & Shayegan, M. (2006). Valley Susceptibility of an Interacting Two-Dimensional Electron System. Physical Review Letters. https://doi.org/10.1103/physrevlett.97.186404
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