Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.21/2828
Título: Nonmonotonic Magnetic Susceptibility of Dipolar Hard-Spheres at Low Temperature and Density
Autor: Kantorovich, Sofia S.
Ivanov, Alexey O.
Rovigatti, Lorenzo
Tavares, José Maria
Sciortino, Francesco
Palavras-chave: Monte-Carlo
Behavior
Fluid
Ferrofluids
Association
Transition
Chain
Model
Particles
Model
System
Data: 5-Abr-2013
Editora: Amer Physical Soc
Citação: KANTOROVICH, Sofia; IVANOV, Alexey O.; ROVIGATTI, Lorenzo; TAVARES, Jose Maria; SCIORTINO, Francesco - Nonmonotonic Magnetic Susceptibility of Dipolar Hard-Spheres at Low Temperature and Density. Physical Review Letters. ISSN 0031-9007. Vol. 110, nr 14 (2013).
Relatório da Série N.º: 148306
Resumo: We investigate, via numerical simulations, mean field, and density functional theories, the magnetic response of a dipolar hard sphere fluid at low temperatures and densities, in the region of strong association. The proposed parameter-free theory is able to capture both the density and temperature dependence of the ring-chain equilibrium and the contribution to the susceptibility of a chain of generic length. The theory predicts a nonmonotonic temperature dependence of the initial (zero field) magnetic susceptibility, arising from the competition between magnetically inert particle rings and magnetically active chains. Monte Carlo simulation results closely agree with the theoretical findings. DOI: 10.1103/PhysRevLett.110.148306
Peer review: yes
URI: http://hdl.handle.net/10400.21/2828
ISSN: 0031-9007
Aparece nas colecções:ISEL - Física - Artigos

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