A Dipolar Chiral Spin Liquid on the Breathed Kagome Lattice
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arXiv
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| Autori principali: | , , , |
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| Natura: | Preprint |
| Pubblicazione: |
2026
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| _version_ | 1866910130933596160 |
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| author | Machado, Francisco Chern, Sabrina Zaletel, Michael P. Yao, Norman Y. |
| author_facet | Machado, Francisco Chern, Sabrina Zaletel, Michael P. Yao, Norman Y. |
| contents | Continuous control over lattice geometry, when combined with long-range interactions, offers a powerful yet underexplored tool to generate highly frustrated quantum spin systems. By considering long-range dipolar antiferromagnetic interactions on a breathed Kagome lattice, we demonstrate how these tools can be leveraged to stabilize a chiral spin liquid. We support this prediction with large-scale density-matrix renormalization group calculations and explore the surrounding phase diagram, identifying a route to adiabatic preparation via a locally varying magnetic field. At the same time, we identify the relevant low-energy degrees of freedom in each unit cell, providing a complementary language to study the chiral spin liquid. Finally, we carefully analyze its stability and signatures in finite-sized clusters, proposing direct, experimentally viable measurements of the chiral edge mode in both Rydberg atom and ultracold polar molecule arrays. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_25784 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | A Dipolar Chiral Spin Liquid on the Breathed Kagome Lattice Machado, Francisco Chern, Sabrina Zaletel, Michael P. Yao, Norman Y. Quantum Gases Strongly Correlated Electrons Atomic Physics Quantum Physics Continuous control over lattice geometry, when combined with long-range interactions, offers a powerful yet underexplored tool to generate highly frustrated quantum spin systems. By considering long-range dipolar antiferromagnetic interactions on a breathed Kagome lattice, we demonstrate how these tools can be leveraged to stabilize a chiral spin liquid. We support this prediction with large-scale density-matrix renormalization group calculations and explore the surrounding phase diagram, identifying a route to adiabatic preparation via a locally varying magnetic field. At the same time, we identify the relevant low-energy degrees of freedom in each unit cell, providing a complementary language to study the chiral spin liquid. Finally, we carefully analyze its stability and signatures in finite-sized clusters, proposing direct, experimentally viable measurements of the chiral edge mode in both Rydberg atom and ultracold polar molecule arrays. |
| title | A Dipolar Chiral Spin Liquid on the Breathed Kagome Lattice |
| topic | Quantum Gases Strongly Correlated Electrons Atomic Physics Quantum Physics |
| url | https://arxiv.org/abs/2603.25784 |