Effects of dissipation on disordered quantum spin models

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We study the effects of the coupling to an Ohmic quantum environment on the static and dynamical properties of a class of disordered spin models in a transverse magnetic field using a method of direct spin summation. We discuss the influence of the environment on various features of the phase diagra...

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Autor principal: Cugliandolo, L.F
Otros Autores: Grempel, D.R, Lozano, G., Lozza, H.
Formato: Capítulo de libro
Lenguaje:Inglés
Publicado: 2004
Acceso en línea:Registro en Scopus
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Biblioteca Central Dr. Luis F. Leloir (FCEN) de Universidad de Buenos Aires
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040 |a Scopus  |b spa  |c AR-BaUEN  |d AR-BaUEN 
030 |a PRBMD 
100 1 |a Cugliandolo, L.F. 
245 1 0 |a Effects of dissipation on disordered quantum spin models 
260 |c 2004 
270 1 0 |m Cugliandolo, L.F.; Lab. Phys. Theor. l'Ecl. Norm. Sup., 24 rue Lhomond, 75231 Paris Cedex 05, France 
506 |2 openaire  |e Política editorial 
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520 3 |a We study the effects of the coupling to an Ohmic quantum environment on the static and dynamical properties of a class of disordered spin models in a transverse magnetic field using a method of direct spin summation. We discuss the influence of the environment on various features of the phase diagram of the models as well as on the stability of the possible phases.  |l eng 
536 |a Detalles de la financiación: National Science Foundation 
536 |a Detalles de la financiación: Engineering and Physical Sciences Research Council 
536 |a Detalles de la financiación: Division of Advanced Cyberinfrastructure 
536 |a Detalles de la financiación: Consejo Nacional de Investigaciones Científicas y Técnicas, PICT 03–11609 
536 |a Detalles de la financiación: PRBMDO 0163-1829 10.1103/PhysRevB.66.174433 66 , 174433 ( 2002 ). The authors acknowledge financial support from the Ecos-Sud travel grant, the ACI project “Optimisation algorithms and quantum disordered systems.” L.F.C. is research associate at ICTP Trieste and acknowledges financial support from the J. S. Guggenheim Foundation. G.S.L. was supported by EPSRC Grants Nos. GR/N19359 and GR/R70309. This research was supported in part by the National Science Foundation under Grant No. PHYS99-07949. G.L. acknowledges financial support from CONICET under PICT 03–11609. The authors thank F. Ritort for very useful discussions. 
593 |a Lab. Phys. Theor. l'Ecl. Norm. Sup., 24 rue Lhomond, 75231 Paris Cedex 05, France 
593 |a Lab. de Phys. Theor. et Hautes Ener., Tour 16, 4 Place Jussieu, 75252 Paris Cedex 05, France 
593 |a CEA-Saclay, DSM/DRECAM/SPCSI, 91191 Gif-sur-Yvette Cedex, France 
593 |a Department of Mathematics, Imperial College London, 180 Queen's Gate, London SW7 2BZ, United Kingdom 
593 |a Departamento de Física, Universidad de Buenos Aires, Ciudad Universitaria, 1428 Buenos Aires, Argentina 
690 1 0 |a ARTICLE 
690 1 0 |a ENVIRONMENT 
690 1 0 |a MAGNETIC FIELD 
690 1 0 |a MOLECULAR DYNAMICS 
690 1 0 |a MOLECULAR MODEL 
690 1 0 |a MOLECULAR STABILITY 
690 1 0 |a QUANTUM MECHANICS 
700 1 |a Grempel, D.R. 
700 1 |a Lozano, G. 
700 1 |a Lozza, H. 
773 0 |d 2004  |g v. 70  |h pp. 024422-1-024422-12  |k n. 2  |p Phys. Rev. B Condens. Matter Mater. Phys.  |x 01631829  |w (AR-BaUEN)CENRE-397  |t Physical Review B - Condensed Matter and Materials Physics 
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856 4 0 |u https://doi.org/10.1103/PhysRevB.70.024422  |y DOI 
856 4 0 |u https://hdl.handle.net/20.500.12110/paper_01631829_v70_n2_p024422_Cugliandolo  |y Handle 
856 4 0 |u https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_01631829_v70_n2_p024422_Cugliandolo  |y Registro en la Biblioteca Digital 
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