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- W2021640292 abstract "We investigate possible realizations of exotic SU(N) symmetry-protected topological (SPT) phases with alkaline-earth cold fermionic atoms loaded into one-dimensional optical lattices. A thorough study of two-orbital generalizations of the standard SU(N) Fermi-Hubbard model, directly relevant to recent experiments, is performed. Using state-of-the-art analytical and numerical techniques, we map out the zero-temperature phase diagrams at half-filling and identify several Mott-insulating phases. While some of them are rather conventional (non-degenerate, charge-density-wave or spin-Peierls like), we also identify, for even-N, two distinct types of SPT phases: an orbital-Haldane phase, analogous to a spin-N/2 Haldane phase, and a topological SU(N) phase, which we fully characterize by its entanglement properties. We also propose sets of non-local order parameters that characterize the SU(N) topological phases found here." @default.
- W2021640292 created "2016-06-24" @default.
- W2021640292 creator A5012747099 @default.
- W2021640292 creator A5019336389 @default.
- W2021640292 creator A5048671032 @default.
- W2021640292 creator A5065341989 @default.
- W2021640292 creator A5069246996 @default.
- W2021640292 date "2015-02-23" @default.
- W2021640292 modified "2023-10-18" @default.
- W2021640292 title "Phase diagrams of one-dimensional half-filled two-orbital<mml:math xmlns:mml=http://www.w3.org/1998/Math/MathML><mml:mi mathvariant=normal>SU</mml:mi><mml:mo>(</mml:mo><mml:mi>N</mml:mi><mml:mo>)</mml:mo></mml:math>cold fermion systems" @default.
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