Thermodynamic properties of the fluid, fcc, and bcc phases of monodisperse charge-stabilized colloidal suspensions within the Yukawa model

Tejero, Carlos Fernández; Lutsko, James F.; Colot, Jean-Louis; Baus, Marc

doi:10.1103/physreva.46.3373

Cited by 41 publications

(46 citation statements)

References 19 publications

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“…Thermodynamic properties of Yukawa systems have been extensively studied using various computational and analytical techniques. Relevant examples include Monte Carlo (MC) and molecular dynamics (MD) numerical simulations [50][51][52][53], as well as integral equation theoretical studies [54][55][56][57]. Accurate values of various thermodynamic quantities have been tabulated in a wide region of (κ, Γ) phase space (in particular, see Refs.…”

Section: Thermodynamic Functions Of Yukawa Fluidsmentioning

confidence: 99%

Fluid approach to evaluate sound velocity in Yukawa systems and complex plasmas

Khrapak¹,

Thomas²

2015

Phys. Rev. E

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The conventional fluid description of multi-component plasma, supplemented by an appropriate equation of state for the macroparticle component, is used to evaluate the longitudinal sound velocity of Yukawa fluids. The obtained results are in very good agreement with those obtained earlier employing the quasi-localized charge approximation and molecular dynamics simulations in a rather broad parameter regime. Thus, a simple yet accurate tool to estimate the sound velocity across coupling regimes is proposed, which can be particularly helpful in estimating the dust-acoustic velocity in strongly coupled dusty (complex) plasmas. It is shown that, within the present approach, the sound velocity is completely determined by particle-particle correlations and the neutralizing medium (plasma), apart from providing screening of the Coulomb interaction, has no other effect on the sound propagation. The ratio of the actual sound velocity to its "ideal gas" (weak coupling) scale only weakly depends on the coupling strength in the fluid regime, but exhibits a pronounced decrease with the increase of the screening strength. The limitations of the present approach in applications to real complex plasmas are briefly discussed.

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Section: Thermodynamic Functions Of Yukawa Fluidsmentioning

confidence: 99%

Fluid approach to evaluate sound velocity in Yukawa systems and complex plasmas

Khrapak¹,

Thomas²

2015

Phys. Rev. E

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“…Thermodynamic properties of Yukawa systems are relatively well investigated using various computational and analytical techniques. Some relevant examples include Monte Carlo (MC) and molecular dynamics (MD) numerical simulations [7][8][9][10], as well as integral equation theoretical studies [11][12][13][14]. Semiempirical fitting formulas [15][16][17] and simplistic approaches [18,19] to estimate thermodynamics of Yukawa systems have been also discussed in the literature.…”

Section: Introductionmentioning

confidence: 99%

Practical expressions for the internal energy and pressure of Yukawa fluids

Khrapak

Thomas

2015

Phys. Rev. E

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Simple practical expressions that allow estimation of thermodynamic properties of Yukawa fluids in a wide range of coupling, up to the fluid-solid phase transition, are presented. These expressions demonstrate excellent agreement with the available results from numerical simulations. The approach provides simple and accurate tools to estimate thermodynamic properties of Yukawa fluids and related systems in a broad range of parameters.

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“…Thermodynamic properties have also received considerable attention. The accurate results from Monte Carlo (MC) and molecular dynamics (MD) numerical simulations for some thermodynamic functions (in particular, for internal energy and compressibility) have been tabulated for a wide (but discrete) range of state variables Γ and κ [1][2][3][4][5][6]. Recently, simple and accurate expressions to evaluate thermodynamic properties of three-dimensional (3D) Yukawa fluids [7] and solids [8] have been proposed, which are very convenient for practical applications.…”

Section: Introductionmentioning

confidence: 99%

Thermodynamics of Yukawa fluids near the one-component-plasma limit

et al. 2015

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Thermodynamics of weakly screened (near the one-component-plasma limit) Yukawa fluids in two and three dimensions is analyzed in detail. It is shown that the thermal component of the excess internal energy of these fluids, when expressed in terms of the properly normalized coupling strength, exhibits the scaling pertinent to the corresponding one-component-plasma limit (the scalings differ considerably between the two-and three-dimensional situations). This provides us with a simple and accurate practical tool to estimate thermodynamic properties of weakly screened Yukawa fluids. Particular attention is paid to the two-dimensional fluids, for which several important thermodynamic quantities are calculated to illustrate the application of the approach.

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Thermodynamic properties of the fluid, fcc, and bcc phases of monodisperse charge-stabilized colloidal suspensions within the Yukawa model

Cited by 41 publications

References 19 publications

Fluid approach to evaluate sound velocity in Yukawa systems and complex plasmas

Fluid approach to evaluate sound velocity in Yukawa systems and complex plasmas

Practical expressions for the internal energy and pressure of Yukawa fluids

Thermodynamics of Yukawa fluids near the one-component-plasma limit

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