Platforms for the realization and characterization of Tomonaga-Luttinger liquids
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arXiv
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2025
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| author | Bouchoule, Isabelle Citro, Roberta Duty, Tim Giamarchi, Thierry Hulet, Randall G. Klanjsek, Martin Orignac, Edmond Weber, Bent |
| author_facet | Bouchoule, Isabelle Citro, Roberta Duty, Tim Giamarchi, Thierry Hulet, Randall G. Klanjsek, Martin Orignac, Edmond Weber, Bent |
| contents | The concept of a Tomonaga-Luttinger liquid (TLL) has been established as a fundamental theory for the understanding of one-dimensional quantum systems. Originally formulated as a replacement for Landau's Fermi-liquid theory, which accurately predicts the behaviour of most 3D metals but fails dramatically in 1D, the TLL description applies to a even broader class of 1D systems,including bosons and anyons. After a certain number of theoretical breakthroughs, its descriptive power has now been confirmed experimentally in different experimental platforms. They extend from organic conductors, carbon nanotubes, quantum wires, topological edge states of quantum spin Hall insulators to cold atoms, Josephson junctions, Bose liquids confined within 1D nanocapillaries and spin chains. In the ground state of such systems, quantum fluctuations become correlated on all length scales, but, counter-intuitively, no long-range order exists. In this respect, this review will illustrate the validity of conformal field theory for describing real-world systems, establishing the boundaries for its application and, on the other side will discuss the spectacular demonstration of how the quantum-critical TLL state governs the properties of many-body systems in one dimension. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2501_12097 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Platforms for the realization and characterization of Tomonaga-Luttinger liquids Bouchoule, Isabelle Citro, Roberta Duty, Tim Giamarchi, Thierry Hulet, Randall G. Klanjsek, Martin Orignac, Edmond Weber, Bent Strongly Correlated Electrons Mesoscale and Nanoscale Physics Quantum Gases The concept of a Tomonaga-Luttinger liquid (TLL) has been established as a fundamental theory for the understanding of one-dimensional quantum systems. Originally formulated as a replacement for Landau's Fermi-liquid theory, which accurately predicts the behaviour of most 3D metals but fails dramatically in 1D, the TLL description applies to a even broader class of 1D systems,including bosons and anyons. After a certain number of theoretical breakthroughs, its descriptive power has now been confirmed experimentally in different experimental platforms. They extend from organic conductors, carbon nanotubes, quantum wires, topological edge states of quantum spin Hall insulators to cold atoms, Josephson junctions, Bose liquids confined within 1D nanocapillaries and spin chains. In the ground state of such systems, quantum fluctuations become correlated on all length scales, but, counter-intuitively, no long-range order exists. In this respect, this review will illustrate the validity of conformal field theory for describing real-world systems, establishing the boundaries for its application and, on the other side will discuss the spectacular demonstration of how the quantum-critical TLL state governs the properties of many-body systems in one dimension. |
| title | Platforms for the realization and characterization of Tomonaga-Luttinger liquids |
| topic | Strongly Correlated Electrons Mesoscale and Nanoscale Physics Quantum Gases |
| url | https://arxiv.org/abs/2501.12097 |