What is charge fractionalization ?
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Charge fractionalization refers to a phenomenon where an elementary excitation splits into multiple parts, leading to non-trivial transport properties in quantum systems. This concept is observed in various scenarios, such as in one-dimensional edge channels of quantum Hall states, as well as in transition metal dichalcogenide moiré heterostructures exhibiting continuous metal-insulator transitions. The fractionalization of charge results in the generation of collective excitations with fractionalized charges, which can have quantized values like 1/3 and 1/2. This process can be influenced by factors like disorder-induced tunneling and Coulomb interactions, leading to unique experimental observables like large resistivity jumps and "bad metal" behavior at the metal-insulator transition. Overall, charge fractionalization plays a crucial role in understanding correlated physics and topological quantum orders in diverse quantum systems.
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Open access•Posted Content | Charge fractionalization refers to the splitting of electric charges into fractions, proposed in transition metal dichalcogenide moire heterostructures, leading to unique observable effects during metal-insulator transitions. |
| Charge fractionalization is a phenomenon where an elementary excitation splits into fractions, observed as quantized values of 1/3 and 1/2 in the disorder-dominated regime of quantum Hall systems. | |
12 Citations | Charge fractionalization is a phenomenon where an elementary excitation splits into fractions, observed in quantum Hall Y junctions. It results in quantized fractional charges like 1/3 and 1/2. |
| Charge fractionalization refers to the phenomenon where the total charge carried under multiple symmetry generators is nontrivial, despite these generators multiplying to the identity, as discussed in the paper. | |
8 Citations | Charge fractionalization refers to the splitting of an electron into smaller charge carriers, leading to unique phenomena like large resistivity and universal resistivity jump in metal-insulator transitions. |
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