Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid

We study the competition between the nematic and the hexatic phases of a two-dimensional spinless Fermi fluid near Pomeranchuk instabilities. We show that the general phase diagram of this theory contains a bicritical point where two second-order lines and a first-order nematic/hexatic phase transit...

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Detalles Bibliográficos
Autores principales:	Barci, Daniel G., Trobo, Marta Liliana, Fernández, Victoria Inés, Oxman, Luis E.
Formato:	Articulo
Lenguaje:	Inglés
Publicado:	2008
Materias:	Ciencias Exactas Física nematic phases hexatic phases Fermi fluid Pomeranchuk instabilities
Acceso en línea:	http://sedici.unlp.edu.ar/handle/10915/126258
Aporte de:	SEDICI (UNLP) de Universidad Nacional de La Plata

id	I19-R120-10915-126258
record_format	dspace
institution	Universidad Nacional de La Plata
institution_str	I-19
repository_str	R-120
collection	SEDICI (UNLP)
language	Inglés
topic	Ciencias Exactas Física nematic phases hexatic phases Fermi fluid Pomeranchuk instabilities
spellingShingle	Ciencias Exactas Física nematic phases hexatic phases Fermi fluid Pomeranchuk instabilities Barci, Daniel G. Trobo, Marta Liliana Fernández, Victoria Inés Oxman, Luis E. Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
topic_facet	Ciencias Exactas Física nematic phases hexatic phases Fermi fluid Pomeranchuk instabilities
description	We study the competition between the nematic and the hexatic phases of a two-dimensional spinless Fermi fluid near Pomeranchuk instabilities. We show that the general phase diagram of this theory contains a bicritical point where two second-order lines and a first-order nematic/hexatic phase transition meet together. We found that at criticality and deep inside the associated symmetry broken phases, the low energy theory is governed by a dissipative cubic mode, even near the bicritical point where nematic and hexatic fluctuations cannot be distinguished due to very strong dynamical couplings.
format	Articulo Articulo
author	Barci, Daniel G. Trobo, Marta Liliana Fernández, Victoria Inés Oxman, Luis E.
author_facet	Barci, Daniel G. Trobo, Marta Liliana Fernández, Victoria Inés Oxman, Luis E.
author_sort	Barci, Daniel G.
title	Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
title_short	Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
title_full	Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
title_fullStr	Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
title_full_unstemmed	Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid
title_sort	competition between pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless fermi fluid
publishDate	2008
url	http://sedici.unlp.edu.ar/handle/10915/126258
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Competition between Pomeranchuk instabilities in the nematic and hexatic channels in a two-dimensional spinless Fermi fluid

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