Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model
We present results for a complementary analysis of the frustrated planar J₁-J₂-J₃ spin-1/2 quantum antiferromagnet (AFM). Using dynamical functional renormalization group, high-order-coupled cluster calculations, and series expansion based on the flow equation method, we have calculated generalized...
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Autores principales: | , , , , , |
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Formato: | Articulo |
Lenguaje: | Inglés |
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2011
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Acceso en línea: | http://sedici.unlp.edu.ar/handle/10915/126397 |
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I19-R120-10915-126397 |
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institution |
Universidad Nacional de La Plata |
institution_str |
I-19 |
repository_str |
R-120 |
collection |
SEDICI (UNLP) |
language |
Inglés |
topic |
Ciencias Exactas Física Physics antiferromagnetism dynamical functional renormalization group high-order-coupled cluster calculations series expansion generalized momentum-resolved susceptibilities ground-state energy magnetic-order parameter elementary excitation gap |
spellingShingle |
Ciencias Exactas Física Physics antiferromagnetism dynamical functional renormalization group high-order-coupled cluster calculations series expansion generalized momentum-resolved susceptibilities ground-state energy magnetic-order parameter elementary excitation gap Reuther, Johannes Wölfle, Peter Darradi, Rachid Brenig, Wolfram Arlego, Marcelo José Fabián Richter, Johannes Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
topic_facet |
Ciencias Exactas Física Physics antiferromagnetism dynamical functional renormalization group high-order-coupled cluster calculations series expansion generalized momentum-resolved susceptibilities ground-state energy magnetic-order parameter elementary excitation gap |
description |
We present results for a complementary analysis of the frustrated planar J₁-J₂-J₃ spin-1/2 quantum antiferromagnet (AFM). Using dynamical functional renormalization group, high-order-coupled cluster calculations, and series expansion based on the flow equation method, we have calculated generalized momentum-resolved susceptibilities, the ground-state energy, the magnetic-order parameter, and the elementary excitation gap. From these, we determine a quantum phase diagram that shows a large window of a quantum paramagnetic (QP) phase situated among the Néel, spiral, and collinear states, which are present already in the classical J₁-J₂-J₃ AFM. Our findings are consistent with substantial plaquette correlations in the QP phase. The extent of the QP region is found to be in satisfying agreement between the three different approaches we have employed. |
format |
Articulo Articulo |
author |
Reuther, Johannes Wölfle, Peter Darradi, Rachid Brenig, Wolfram Arlego, Marcelo José Fabián Richter, Johannes |
author_facet |
Reuther, Johannes Wölfle, Peter Darradi, Rachid Brenig, Wolfram Arlego, Marcelo José Fabián Richter, Johannes |
author_sort |
Reuther, Johannes |
title |
Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
title_short |
Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
title_full |
Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
title_fullStr |
Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
title_full_unstemmed |
Quantum phases of the planar antiferromagnetic J₁-J₂-J₃ Heisenberg model |
title_sort |
quantum phases of the planar antiferromagnetic j₁-j₂-j₃ heisenberg model |
publishDate |
2011 |
url |
http://sedici.unlp.edu.ar/handle/10915/126397 |
work_keys_str_mv |
AT reutherjohannes quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel AT wolflepeter quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel AT darradirachid quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel AT brenigwolfram quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel AT arlegomarcelojosefabian quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel AT richterjohannes quantumphasesoftheplanarantiferromagneticj1j2j3heisenbergmodel |
bdutipo_str |
Repositorios |
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1764820450597142528 |