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- W3049733224 abstract "Topology in quantum matter is typically associated with gapped phases. For example, in symmetry protected topological (SPT) phases, the bulk energy gap localizes edge modes near the boundary. In this work we identify a new mechanism that leads to topological phases which are not only gapless but where the absence of a gap is essential. These `intrinsically gapless SPT phases' have no gapped counterpart and are hence also distinct from recently discovered examples of gapless SPT phases. The essential ingredient of these phases is that on-site symmetries act in an anomalous fashion at low energies. Intrinsically gapless SPT phases are found to display several unique properties including (i) protected edge modes that are impossible to realize in a gapped system with the same symmetries, (ii) string order parameters that are likewise forbidden in gapped phases, and (iii) constraints on the phase diagram obtained upon perturbing the phase. We verify predictions of the general theory in a specific realization protected by $mathbb Z_4$ symmetry, the one dimensional Ising-Hubbard chain, using both numerical simulations and effective field theory. We also discuss extensions to higher dimensions and possible experimental realizations." @default.
- W3049733224 created "2020-08-21" @default.
- W3049733224 creator A5009846500 @default.
- W3049733224 creator A5037366436 @default.
- W3049733224 creator A5043780039 @default.
- W3049733224 date "2021-08-18" @default.
- W3049733224 modified "2023-10-17" @default.
- W3049733224 title "Intrinsically gapless topological phases" @default.
- W3049733224 cites W1486204113 @default.
- W3049733224 cites W1513139303 @default.
- W3049733224 cites W1514707913 @default.
- W3049733224 cites W1520371613 @default.
- W3049733224 cites W1538825449 @default.
- W3049733224 cites W1550500986 @default.
- W3049733224 cites W1562646725 @default.
- W3049733224 cites W1576765155 @default.
- W3049733224 cites W1663410838 @default.
- W3049733224 cites W1748447111 @default.
- W3049733224 cites W1751245924 @default.
- W3049733224 cites W1864879456 @default.
- W3049733224 cites W1903445482 @default.
- W3049733224 cites W1942206397 @default.
- W3049733224 cites W1968554915 @default.
- W3049733224 cites W1977264477 @default.
- W3049733224 cites W1980999600 @default.
- W3049733224 cites W1983138821 @default.
- W3049733224 cites W2003095492 @default.
- W3049733224 cites W2008017776 @default.
- W3049733224 cites W2008822316 @default.
- W3049733224 cites W2016407890 @default.
- W3049733224 cites W2019771512 @default.
- W3049733224 cites W2021676065 @default.
- W3049733224 cites W2022727871 @default.
- W3049733224 cites W2034225373 @default.
- W3049733224 cites W2037034135 @default.
- W3049733224 cites W2038549053 @default.
- W3049733224 cites W2040474479 @default.
- W3049733224 cites W2042952595 @default.
- W3049733224 cites W2051922503 @default.
- W3049733224 cites W2055519393 @default.
- W3049733224 cites W2068688651 @default.
- W3049733224 cites W2069840277 @default.
- W3049733224 cites W2074668082 @default.
- W3049733224 cites W2079305833 @default.
- W3049733224 cites W2085739341 @default.
- W3049733224 cites W2092789006 @default.
- W3049733224 cites W2095669769 @default.
- W3049733224 cites W2097903774 @default.
- W3049733224 cites W2098224813 @default.
- W3049733224 cites W2102074887 @default.
- W3049733224 cites W2104740527 @default.
- W3049733224 cites W2113869906 @default.
- W3049733224 cites W2122160419 @default.
- W3049733224 cites W2124217549 @default.
- W3049733224 cites W2136497493 @default.
- W3049733224 cites W2137748572 @default.
- W3049733224 cites W2164667254 @default.
- W3049733224 cites W2171135483 @default.
- W3049733224 cites W2202024260 @default.
- W3049733224 cites W2223420584 @default.
- W3049733224 cites W2234665367 @default.
- W3049733224 cites W2247451755 @default.
- W3049733224 cites W2279402307 @default.
- W3049733224 cites W2334243442 @default.
- W3049733224 cites W2404758799 @default.
- W3049733224 cites W2462292704 @default.
- W3049733224 cites W2534191796 @default.
- W3049733224 cites W2537692623 @default.
- W3049733224 cites W2569095706 @default.
- W3049733224 cites W2577135125 @default.
- W3049733224 cites W2593142381 @default.
- W3049733224 cites W2595406301 @default.
- W3049733224 cites W2610481873 @default.
- W3049733224 cites W2611611504 @default.
- W3049733224 cites W2611943696 @default.
- W3049733224 cites W2613751602 @default.
- W3049733224 cites W2615451584 @default.
- W3049733224 cites W2616080112 @default.
- W3049733224 cites W2738315481 @default.
- W3049733224 cites W2738782225 @default.
- W3049733224 cites W2754688121 @default.
- W3049733224 cites W2759285439 @default.
- W3049733224 cites W2771059245 @default.
- W3049733224 cites W2779033635 @default.
- W3049733224 cites W2782547416 @default.
- W3049733224 cites W2786370293 @default.
- W3049733224 cites W2798974881 @default.
- W3049733224 cites W2894284255 @default.
- W3049733224 cites W2900202692 @default.
- W3049733224 cites W2939995445 @default.
- W3049733224 cites W2949867928 @default.
- W3049733224 cites W2950317741 @default.
- W3049733224 cites W2951850315 @default.
- W3049733224 cites W2963588386 @default.
- W3049733224 cites W2974009797 @default.
- W3049733224 cites W2980324323 @default.
- W3049733224 cites W3003243785 @default.
- W3049733224 cites W3018811576 @default.
- W3049733224 cites W3095881064 @default.
- W3049733224 cites W3098130720 @default.