Spin, Bose, and Non-Fermi Liquid Metals in Two Dimensions: Accessing via Multi-Leg Ladders

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dc.creatorFisher, Matthew P. A.
dc.creatorMotrunich, Olexei I.
dc.creatorSheng, Donna N.
dc.date2008-12-16
dc.date.accessioned2026-07-07T12:13:01Z
dc.date.available2026-07-07T12:13:01Z
dc.descriptionCharacterizing and accessing quantum phases of itinerant bosons or fermions in two dimensions (2D) that exhibit singular structure along surfaces in momentum space but have no quasi-particle description remains as a central challenge in the field of strongly correlated physics. Fortuitously, signatures of such 2D strongly correlated phases are expected to be manifest in quasi-one-dimensional "$N$-leg ladder" systems. The ladder discretization of the transverse momentum cuts through the 2D surface, leading to a quasi-1D descendant state with a set of low-energy modes whose number grows with the number of legs and whose momenta are inherited from the 2D surfaces. These multi-mode quasi-1D liquids constitute a new and previously unanticipated class of quantum states interesting in their own right. But more importantly they carry a distinctive quasi-1D "fingerprint" of the parent 2D quantum fluid state. This can be exploited to access the 2D phases from controlled numerical and analytical studies in quasi-1D models. The preliminary successes and future prospects in this endeavor will be briefly summarized.
dc.descriptionProceedings of the 24th Solvay conference on physics - "Quantum theory of condensed matter", Brussels, 11 - 13 October 2008
dc.identifierhttps://arxiv.org/abs/0812.2955
dc.identifierhttp://arxiv.org/abs/0812.2955
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/210736
dc.subjectStrongly Correlated Electrons
dc.titleSpin, Bose, and Non-Fermi Liquid Metals in Two Dimensions: Accessing via Multi-Leg Ladders
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