Abstract
Electron strings may arise in polar materials as a result of an electronic phase separation. The width or the transverse diameter of the string is equal to one interatomic spacing. The length of the string depends on dielectric constants of semiconductors. The appearance of these electron strings may naturally explain the effect of stripe formation observed in a variety of HTSC experiments.
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Kusmartsev, F. Formation of Electron Strings in Narrow Bands. Journal of Low Temperature Physics 117, 301–305 (1999). https://doi.org/10.1023/A:1022549112297
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DOI: https://doi.org/10.1023/A:1022549112297