@article{
 title = {Majorana Corner Modes with Solitons in an Attractive Hubbard-Hofstadter Model of Cold Atom Optical Lattices},
 type = {article},
 year = {2019},
 keywords = {doi:10.1103/PhysRevLett.123.060402 url:https://doi},
 pages = {060402},
 volume = {123},
 websites = {https://link.aps.org/doi/10.1103/PhysRevLett.123.060402},
 month = {8},
 publisher = {American Physical Society},
 day = {6},
 id = {7d6de181-df83-37d8-8f1a-d49c686facf0},
 created = {2019-08-22T16:09:46.871Z},
 file_attached = {true},
 profile_id = {004c1ae0-7ed4-35f3-b39b-28665b4ab9a2},
 last_modified = {2020-02-03T23:45:33.544Z},
 read = {true},
 starred = {false},
 authored = {true},
 confirmed = {true},
 hidden = {false},
 citation_key = {Zeng2019a},
 private_publication = {false},
 abstract = {Higher order topological superconductors hosting Majorana-Kramers pairs (MKPs) as corner modes have recently been proposed in a two-dimensional (2D) quantum spin Hall insulator (QSHI) proximity-coupled to unconventional cuprate or iron-based superconductors. Here, we show that such MKPs can be realized using a conventional s-wave superfluid with a soliton in cold atom systems governed by the Hubbard-Hofstadter model. The MKPs emerge in the presence of interaction at the ``corners'' defined by the intersections of line solitons and the one-dimensional edges of the system. Our scheme is based on the recently realized cold atom Hubbard-Hofstadter lattice and will pave the way for observing Majorana corner modes and possible higher order topological superfluidity with conventional s-wave superfluids/superconductors.},
 bibtype = {article},
 author = {Zeng, Chuanchang and Stanescu, T. D. and Zhang, Chuanwei and Scarola, V. W. and Tewari, Sumanta},
 doi = {10.1103/PhysRevLett.123.060402},
 journal = {Physical Review Letters},
 number = {6}
}

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