Thermodynamics of ferrofluids in applied magnetic fields

Ekaterina A. Elfimova; Alexey O. Ivanov; Philip J. Camp

doi:10.1103/PhysRevE.88.042310

Thermodynamics of ferrofluids in applied magnetic fields

Ekaterina A. Elfimova^*, Alexey O. Ivanov, Philip J. Camp

^*Corresponding author for this work

School of Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

The thermodynamic properties of ferrofluids in applied magnetic fields are examined using theory and computer simulation. The dipolar hard sphere model is used. The second and third virial coefficients (B-2 and B-3) are evaluated as functions of the dipolar coupling constant lambda, and the Langevin parameter alpha. The formula for B-3 for a system in an applied field is different from that in the zero-field case, and a derivation is presented. The formulas are compared to results from Mayer-sampling calculations, and the trends with increasing lambda and alpha are examined. Very good agreement between theory and computation is demonstrated for the realistic values lambda

Original language	English
Article number	042310
Number of pages	11
Journal	Physical Review E
Volume	88
Issue number	4
DOIs	https://doi.org/10.1103/PhysRevE.88.042310
Publication status	Published - 23 Oct 2013

Keywords / Materials (for Non-textual outputs)

DIPOLAR HARD-SPHERES
LIQUID-VAPOR COEXISTENCE
SIMPLE POLAR FLUIDS
CRITICAL-TEMPERATURE
ORIENTATIONAL ORDER
PERTURBATION-THEORY
COMPUTER-SIMULATIONS
VIRIAL-COEFFICIENT
PHASE
TRANSITION

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Cite this

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title = "Thermodynamics of ferrofluids in applied magnetic fields",

abstract = "The thermodynamic properties of ferrofluids in applied magnetic fields are examined using theory and computer simulation. The dipolar hard sphere model is used. The second and third virial coefficients (B-2 and B-3) are evaluated as functions of the dipolar coupling constant lambda, and the Langevin parameter alpha. The formula for B-3 for a system in an applied field is different from that in the zero-field case, and a derivation is presented. The formulas are compared to results from Mayer-sampling calculations, and the trends with increasing lambda and alpha are examined. Very good agreement between theory and computation is demonstrated for the realistic values lambda ",

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author = "Elfimova, {Ekaterina A.} and Ivanov, {Alexey O.} and Camp, {Philip J.}",

year = "2013",

month = oct,

day = "23",

doi = "10.1103/PhysRevE.88.042310",

language = "English",

volume = "88",

journal = "Physical Review E",

issn = "1539-3755",

publisher = "American Physical Society",

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TY - JOUR

T1 - Thermodynamics of ferrofluids in applied magnetic fields

AU - Elfimova, Ekaterina A.

AU - Ivanov, Alexey O.

AU - Camp, Philip J.

PY - 2013/10/23

Y1 - 2013/10/23

N2 - The thermodynamic properties of ferrofluids in applied magnetic fields are examined using theory and computer simulation. The dipolar hard sphere model is used. The second and third virial coefficients (B-2 and B-3) are evaluated as functions of the dipolar coupling constant lambda, and the Langevin parameter alpha. The formula for B-3 for a system in an applied field is different from that in the zero-field case, and a derivation is presented. The formulas are compared to results from Mayer-sampling calculations, and the trends with increasing lambda and alpha are examined. Very good agreement between theory and computation is demonstrated for the realistic values lambda

AB - The thermodynamic properties of ferrofluids in applied magnetic fields are examined using theory and computer simulation. The dipolar hard sphere model is used. The second and third virial coefficients (B-2 and B-3) are evaluated as functions of the dipolar coupling constant lambda, and the Langevin parameter alpha. The formula for B-3 for a system in an applied field is different from that in the zero-field case, and a derivation is presented. The formulas are compared to results from Mayer-sampling calculations, and the trends with increasing lambda and alpha are examined. Very good agreement between theory and computation is demonstrated for the realistic values lambda

KW - DIPOLAR HARD-SPHERES

KW - LIQUID-VAPOR COEXISTENCE

KW - SIMPLE POLAR FLUIDS

KW - CRITICAL-TEMPERATURE

KW - ORIENTATIONAL ORDER

KW - PERTURBATION-THEORY

KW - COMPUTER-SIMULATIONS

KW - VIRIAL-COEFFICIENT

KW - PHASE

KW - TRANSITION

U2 - 10.1103/PhysRevE.88.042310

DO - 10.1103/PhysRevE.88.042310

M3 - Article

SN - 1539-3755

VL - 88

JO - Physical Review E

JF - Physical Review E

IS - 4

M1 - 042310

ER -

Thermodynamics of ferrofluids in applied magnetic fields

Abstract

Keywords / Materials (for Non-textual outputs)

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