Quasi-one-dimensional supersolids in Luther-Emery liquids
The supersolid is a long-sought phase in condensed matter physics, characterized by the coexistence of density wave and superfluid orders. This phase is counterintuitive, as different symmetry-breaking orders typically compete with one another. A deeper understanding of how such a state forms in con...
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| Format: | Article |
| Language: | English |
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American Physical Society
2025-06-01
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| Series: | Physical Review Research |
| Online Access: | http://doi.org/10.1103/h3l5-njrd |
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| _version_ | 1849419387181727744 |
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| author | Ying-Ming Xie Naoto Nagaosa |
| author_facet | Ying-Ming Xie Naoto Nagaosa |
| author_sort | Ying-Ming Xie |
| collection | DOAJ |
| description | The supersolid is a long-sought phase in condensed matter physics, characterized by the coexistence of density wave and superfluid orders. This phase is counterintuitive, as different symmetry-breaking orders typically compete with one another. A deeper understanding of how such a state forms in condensed matter systems remains an open question, especially in quasi-one-dimensional correlated systems. In this work, we investigate the emergence of supersolids in Luttinger-Emery liquids using a variational method. As the system consists of coupled Luttinger-Emery liquid chains, we refer to this phase as a quasi-one-dimensional supersolid. Notably, we demonstrate that the quasi-one-dimensional supersolid phase is energetically favorable in chains with finite size or short-range order. Furthermore, we investigate the collective dynamics of these coexisting charge density waves and superconducting states, identifying a quasi-Goldstone mode. Our theory provides valuable insights into both the ground state and the dynamic properties of supersolids in strongly correlated systems. |
| format | Article |
| id | doaj-art-24656d87b54e413785a06dd0c4ae7977 |
| institution | Kabale University |
| issn | 2643-1564 |
| language | English |
| publishDate | 2025-06-01 |
| publisher | American Physical Society |
| record_format | Article |
| series | Physical Review Research |
| spelling | doaj-art-24656d87b54e413785a06dd0c4ae79772025-08-20T03:32:07ZengAmerican Physical SocietyPhysical Review Research2643-15642025-06-017202330210.1103/h3l5-njrdQuasi-one-dimensional supersolids in Luther-Emery liquidsYing-Ming XieNaoto NagaosaThe supersolid is a long-sought phase in condensed matter physics, characterized by the coexistence of density wave and superfluid orders. This phase is counterintuitive, as different symmetry-breaking orders typically compete with one another. A deeper understanding of how such a state forms in condensed matter systems remains an open question, especially in quasi-one-dimensional correlated systems. In this work, we investigate the emergence of supersolids in Luttinger-Emery liquids using a variational method. As the system consists of coupled Luttinger-Emery liquid chains, we refer to this phase as a quasi-one-dimensional supersolid. Notably, we demonstrate that the quasi-one-dimensional supersolid phase is energetically favorable in chains with finite size or short-range order. Furthermore, we investigate the collective dynamics of these coexisting charge density waves and superconducting states, identifying a quasi-Goldstone mode. Our theory provides valuable insights into both the ground state and the dynamic properties of supersolids in strongly correlated systems.http://doi.org/10.1103/h3l5-njrd |
| spellingShingle | Ying-Ming Xie Naoto Nagaosa Quasi-one-dimensional supersolids in Luther-Emery liquids Physical Review Research |
| title | Quasi-one-dimensional supersolids in Luther-Emery liquids |
| title_full | Quasi-one-dimensional supersolids in Luther-Emery liquids |
| title_fullStr | Quasi-one-dimensional supersolids in Luther-Emery liquids |
| title_full_unstemmed | Quasi-one-dimensional supersolids in Luther-Emery liquids |
| title_short | Quasi-one-dimensional supersolids in Luther-Emery liquids |
| title_sort | quasi one dimensional supersolids in luther emery liquids |
| url | http://doi.org/10.1103/h3l5-njrd |
| work_keys_str_mv | AT yingmingxie quasionedimensionalsupersolidsinlutheremeryliquids AT naotonagaosa quasionedimensionalsupersolidsinlutheremeryliquids |