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Showing 2021 · cond-mat.str-elShow all
3 papers · 2 filters
cond-mat.str-el2021★ 27 cited
Building models of topological quantum criticality from pivot Hamiltonians
Nathanan Tantivasadakarn, Ryan Thorngren, Ashvin Vishwanath +1
Progress in understanding symmetry-protected topological (SPT) phases has been greatly aided by our ability to construct lattice models realizing these states. In contrast, a syste…
cond-mat.str-el2021★ 55 cited
Pivot Hamiltonians as generators of symmetry and entanglement
Nathanan Tantivasadakarn, Ryan Thorngren, Ashvin Vishwanath +1
It is well-known that symmetry-protected topological (SPT) phases can be obtained from the trivial phase by an entangler, a finite-depth unitary operator . Here, we consider obt…
cond-mat.str-el2021★ 109 cited
Wavefunctionology: The Special Structure of Certain Fractional Quantum Hall Wavefunctions
Steven H. Simon
Certain fractional quantum Hall wavefunctions -- particularly including the Laughlin, Moore-Read, and Read-Rezayi wavefunctions -- have special structure that makes them amenable t…