Microfibres

Mukhopadhyay, Samrat; Ramakrishnan, G.

doi:10.1080/00405160801942585

Cited by 29 publications

(25 citation statements)

References 51 publications

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“…This will allow us to determine the statistical function also and not the retarded propagator alone as we have done here. Work in this direction will appear in [20]. However, we note two crucial points of our holographic prescription for obtaining the retarded correlator (equivalently the spectral function).…”

Section: A Comparison With Field-theoretic Approachmentioning

confidence: 99%

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Holographic spectral function in nonequilibrium states

Banerjee¹,

Iyer²,

Mukhopadhyay³

2012

Phys. Rev. D

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We develop holographic prescriptions for obtaining spectral functions in non-equilibrium states and space-time dependent non-equilibrium shifts in the energy and spin of quasi-particle like excitations. We reproduce strongly coupled versions of aspects of non-equilibrium dynamics of Fermi surfaces in Landau's Fermi-liquid theory. We find that the incoming wave boundary condition at the horizon does not suffice to obtain a well-defined perturbative expansion for non-equilibrium observables. Our prescription, based on analysis of regularity at the horizon, allows such a perturbative expansion to be achieved nevertheless and can be precisely formulated in a universal manner independent of the non-equilibrium state, provided the state thermalizes. We also find that the non-equilibrium spectral function furnishes information about the relaxation modes of the system. Along the way, we argue that in a typical non-supersymmetric theory with a gravity dual, there may exist a window of temperature and chemical potential at large N , in which a generic non-equilibrium state can be characterized by just a finitely few operators with low scaling dimensions, even far away from the hydrodynamic limit.

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Section: A Comparison With Field-theoretic Approachmentioning

confidence: 99%

“…We do not address the information contained in the statistical function and how to obtain it holographically. Work in the latter direction will appear in [20]. These issues will be complicated by the fact that we are dealing with composite operators in holography and we leave this for future study.…”

mentioning

confidence: 99%

Holographic spectral function in nonequilibrium states

Banerjee¹,

Iyer²,

Mukhopadhyay³

2012

Phys. Rev. D

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“…Moreover, splitting N/P microfibres yields fabrics with fine, closely packed and aligned capillary columns of water between the fibres and larger surface areas on the fabrics, resulting in excellent absorbency. The triangular cross-sectional shape and ultra fineness of these N/P microfibres, formed by splitting composite fibres, provide the microfibre fabric with excellent wipeability due to the sharp-edged effect of split microfibers [3].…”

Section: Introductionmentioning

confidence: 99%

“…The fibres are designed to split into the wedges by different treatments to produce the ultimate microfiber. Segmented pie fibers are, therefore, known as 'splittable microfibres' [3]. [3] Splittable N/P(Nylon/Polyester) microfibres are widely used for artificial suede, wiping cloths, peach-skin fabrics, silk-like fabrics, and air-permeable and water-proof fabrics due to their many advantages of enhanced softness, bulkiness, smoothness, high aesthetics and good comfort properties compared with regular polyester fibres.…”

Section: Introductionmentioning

confidence: 99%

“…Segmented pie fibers are, therefore, known as 'splittable microfibres' [3]. [3] Splittable N/P(Nylon/Polyester) microfibres are widely used for artificial suede, wiping cloths, peach-skin fabrics, silk-like fabrics, and air-permeable and water-proof fabrics due to their many advantages of enhanced softness, bulkiness, smoothness, high aesthetics and good comfort properties compared with regular polyester fibres. Moreover, splitting N/P microfibres yields fabrics with fine, closely packed and aligned capillary columns of water between the fibres and larger surface areas on the fabrics, resulting in excellent absorbency.…”

Section: Introductionmentioning

confidence: 99%

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Ayırma Tipi Mikrofilament İpliklerden Üretilmiş Örme Kumaşların Performans Özelliklerinin İncelenmesi

Kaynak¹,

Çelik²

2016

J Text Eng

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Splittable microfiber is an important type of microfibers. In the scope of this study, the performance properties of single jersey knitted fabrics produced from splittable microfilament yarns are investigated before and after the splitting process. For this aim three knitted fabric samples are produced as single jersey structure with three different fabric densities (loose, medium, tight) and one half of the each sample are treated to splitting process. In doing so, six fabric samples are obtained. Air permeability, water vapour permeability and bursting strength performances of the samples are tested. By this way, it is intended to make a comparative study on the performance properties of knitted fabrics produced from conventional filaments (before splitting process) and microfilaments (after splitting process) for different fabric densities. In order to understand the statistical importance of filament type and fabric density on knitted fabric performance properties, two way ANOVA (Analysis of variance) is performed.

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Fundamental Aspects of Textile Fibres

2015

Physico‐chemical Aspects of Textile Coloration

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Microfibres

Cited by 29 publications

References 51 publications

Holographic spectral function in nonequilibrium states

Holographic spectral function in nonequilibrium states

Ayırma Tipi Mikrofilament İpliklerden Üretilmiş Örme Kumaşların Performans Özelliklerinin İncelenmesi

Fundamental Aspects of Textile Fibres

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