Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations

We develop a theory of a hybrid state, where quasiparticles coexist with strong collective modes, taking as a starting point a model of infinitely many one-dimensional Mott insulators weakly coupled by interchain tunneling. This state exists at an intermediate temperature range and undergoes an anti...

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Main Authors: Essler, F, Tsvelik, A
Format: Journal article
Language:English
Published: 2005
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author Essler, F
Tsvelik, A
author_facet Essler, F
Tsvelik, A
author_sort Essler, F
collection OXFORD
description We develop a theory of a hybrid state, where quasiparticles coexist with strong collective modes, taking as a starting point a model of infinitely many one-dimensional Mott insulators weakly coupled by interchain tunneling. This state exists at an intermediate temperature range and undergoes an antiferromagnetic phase transition at temperatures much smaller than the Mott-Hubbard gap. The most peculiar feature of the hybrid state is that its Fermi surface volume is unrelated to the electron density. We present a self-consistent derivation of the low-energy effective action for our model. © 2005 The American Physical Society.
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spelling oxford-uuid:b0cb8759-4b80-4a79-9b5b-c4f58284fce02022-03-27T03:59:05ZTheory of hybrid state in a metal with a small Fermi surface and strong collective excitationsJournal articlehttp://purl.org/coar/resource_type/c_dcae04bcuuid:b0cb8759-4b80-4a79-9b5b-c4f58284fce0EnglishSymplectic Elements at Oxford2005Essler, FTsvelik, AWe develop a theory of a hybrid state, where quasiparticles coexist with strong collective modes, taking as a starting point a model of infinitely many one-dimensional Mott insulators weakly coupled by interchain tunneling. This state exists at an intermediate temperature range and undergoes an antiferromagnetic phase transition at temperatures much smaller than the Mott-Hubbard gap. The most peculiar feature of the hybrid state is that its Fermi surface volume is unrelated to the electron density. We present a self-consistent derivation of the low-energy effective action for our model. © 2005 The American Physical Society.
spellingShingle Essler, F
Tsvelik, A
Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title_full Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title_fullStr Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title_full_unstemmed Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title_short Theory of hybrid state in a metal with a small Fermi surface and strong collective excitations
title_sort theory of hybrid state in a metal with a small fermi surface and strong collective excitations
work_keys_str_mv AT esslerf theoryofhybridstateinametalwithasmallfermisurfaceandstrongcollectiveexcitations
AT tsvelika theoryofhybridstateinametalwithasmallfermisurfaceandstrongcollectiveexcitations