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Evidence of Soft-Mode Quantum Phase Transitions in Electron Double Layers

✍ Scribed by Pellegrini, V.

Book ID
121159838
Publisher
American Association for the Advancement of Science
Year
1998
Tongue
English
Weight
357 KB
Volume
281
Category
Article
ISSN
0036-8075

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πŸ“œ SIMILAR VOLUMES

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The extreme softening of spin excitations in electron double layers is studied by resonant inelastic light scattering. At even-integer quantum Hall states we ΓΏnd evidence of three distinct conΓΏgurations of spin. Transformations among these spin states appear as quantum phase transitions tuned by int

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Strongly correlated two-dimensional electrons in coupled semiconductor bilayers display remarkable broken symmetry many-body states under accessible and controllable experimental conditions. In the case of continuous quantum phase transitions (QPTs), soft collective modes drive the transformations t