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Xu X, Douglas JF, Xu WS. Thermodynamic–Dynamic Interrelations in Glass-Forming Polymer Fluids. Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Xiaolei Xu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
| | - Jack F. Douglas
- Materials Science and Engineering Division, National Institute of Standards and Technology, Gaithersburg, Maryland 20899, United States
| | - Wen-Sheng Xu
- State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, P. R. China
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Affiliation(s)
- Josef Jäckle
- a Fakultät für Physik , Universität Konstanz , D-7750, Konstanz , F. R , Germany
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Drozdov AD. Constitutive equations in nonlinear viscoelasticity of glassy polymers based on the concept of traps. POLYM ENG SCI 2004. [DOI: 10.1002/pen.11211] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Avetisov VA, Bikulov AK, Osipov VA. p-adic description of characteristic relaxation in complex systems. ACTA ACUST UNITED AC 2003. [DOI: 10.1088/0305-4470/36/15/301] [Citation(s) in RCA: 95] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Jasch F, Blumen A. Anomalous behavior of the target decay on small world networks. J Chem Phys 2002. [DOI: 10.1063/1.1489903] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Blumen A, Jasch F. Energy Transport and Trapping in Polymeric Media: Small-World Networks. J Phys Chem A 2002. [DOI: 10.1021/jp012871g] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- A. Blumen
- Theoretische Polymerphysik, Universität Freiburg, Hermann-Herder-Strasse 3, D-79104 Freiburg, Germany
| | - F. Jasch
- Theoretische Polymerphysik, Universität Freiburg, Hermann-Herder-Strasse 3, D-79104 Freiburg, Germany
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Avetisov VA, Bikulov AH, Kozyrev SV, Osipov VA. p-adic models of ultrametric diffusion constrained by hierarchical energy landscapes. ACTA ACUST UNITED AC 2002. [DOI: 10.1088/0305-4470/35/2/301] [Citation(s) in RCA: 150] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Jasch F, Blumen A. Trapping of random walks on small-world networks. PHYSICAL REVIEW. E, STATISTICAL, NONLINEAR, AND SOFT MATTER PHYSICS 2001; 64:066104. [PMID: 11736233 DOI: 10.1103/physreve.64.066104] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/21/2001] [Indexed: 05/23/2023]
Abstract
We investigate the trapping of random walkers on small-world networks (SWN's), irregular graphs. We derive bounds for the survival probability Phi(SWN)(n) and display its analysis through cumulant expansions. Computer simulations are performed for large SWNs. We show that in the limit of infinite sizes, trapping on SWNs is equivalent to trapping on a certain class of random trees, which are grown during the random walk.
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Affiliation(s)
- F Jasch
- Theoretische Polymerphysik, Universität Freiburg, D-79104 Freiburg Im Breisgau, Germany
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Wong V, Gruebele M. How Does Vibrational Energy Flow Fill the Molecular State Space? J Phys Chem A 1999. [DOI: 10.1021/jp9919361] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Affiliation(s)
- V. Wong
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
| | - M. Gruebele
- Department of Chemistry and Beckman Institute for Advanced Science and Technology, University of Illinois at Urbana-Champaign, Urbana, Illinois 61801
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Erzan A, Grossmann S, Hernandez-Machado A. Diffusion on random hierarchical structures. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0305-4470/20/12/037] [Citation(s) in RCA: 21] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Blumen A, Zumofen G, Klafter J. Random walks on ultrametric spaces: low temperature patterns. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0305-4470/19/14/007] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Kohler GH, Blumen A. Variance of random walks on Cayley trees: application to the trapping problem. ACTA ACUST UNITED AC 1999. [DOI: 10.1088/0305-4470/23/23/031] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Mai J, Sokolov IM, Blumen A. Exact enumeration of all conformations of a heteropolymer chain in a prescribed, non-compact volume. J Chem Phys 1997. [DOI: 10.1063/1.473741] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
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Erzan A, Veermans E, Heijungs R, Pietronero L. Glassy dynamics of pinned charge-density waves. PHYSICAL REVIEW. B, CONDENSED MATTER 1990; 41:11522-11528. [PMID: 9993573 DOI: 10.1103/physrevb.41.11522] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
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Crawford AB, Cotton DJ, Paiva M, Engel LA. Effect of airway closure on ventilation distribution. JOURNAL OF APPLIED PHYSIOLOGY (BETHESDA, MD. : 1985) 1989; 66:2511-2515. [PMID: 2745313 DOI: 10.1063/1.344264] [Citation(s) in RCA: 22] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/18/2023]
Abstract
We examined the effect of airway closure on ventilation distribution during tidal breathing in six normal subjects. Each subject performed multiple-breath N2 washouts (MBNW) at tidal volumes of 1 liter over a range of preinspiratory lung volumes (PILV) from functional residual capacity (FRC) to just above residual volume. All subjects performed washouts at PILV below their measured closing capacity. In addition five of the subjects performed MBNW at PILV below closing capacity with end-inspiratory breath holds of 2 or 5 s. We measured the following two independent indexes of ventilation maldistribution: 1) the normalized phase III slope of the final breaths of the washout (Snf) and 2) the alveolar mixing efficiency of those breaths of the washout where 80-90% of the initial N2 had been cleared. Between a mean PILV of 0.28 liter above closing capacity and that 0.31 liter below closing capacity, mean Snf increased by 132% (P less than 0.005). Over the same volume range, mean alveolar mixing efficiency decreased by 3.3% (P less than 0.05). Breath holding at PILV below closing capacity resulted in marked and consistent decreases in Snf and increases in alveolar mixing efficiency. Whereas inhomogeneity of ventilation decreases with lung volume when all airways are patent (J. Appl. Physiol. 66: 2502-2510, 1989), airway closure increases ventilation inequality, and this is substantially reduced by short end-inspiratory breath holds. These findings suggest that the predominant determinant of ventilation distribution below closing capacity is the inhomogeneous closure of airways subtending regions in the lung periphery that are close together.
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Affiliation(s)
- A B Crawford
- Thoracic Medicine Unit, Westmead Hospital, Sydney, New South Wales Australia
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Kumari K, Kumar D. Relaxation and transition in general Huberman-Kerszberg models: A recursive variational method. PHYSICAL REVIEW. B, CONDENSED MATTER 1988; 38:11774-11780. [PMID: 9946064 DOI: 10.1103/physrevb.38.11774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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Hoffmann KH, Sibani P. Diffusion in hierarchies. PHYSICAL REVIEW. A, GENERAL PHYSICS 1988; 38:4261-4270. [PMID: 9900879 DOI: 10.1103/physreva.38.4261] [Citation(s) in RCA: 27] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
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Köhler GH, Knapp EW, Blumen A. Continuous-time random walks on a long-range hierarchical model. PHYSICAL REVIEW. B, CONDENSED MATTER 1988; 38:6774-6778. [PMID: 9945356 DOI: 10.1103/physrevb.38.6774] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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López-Quintela MA, Losada D. Spatial, temporal, and energetic disorder in microemulsions. PHYSICAL REVIEW LETTERS 1988; 61:1131-1134. [PMID: 10039527 DOI: 10.1103/physrevlett.61.1131] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Giacometti A, Maritan A, Stella AL. Diffusion on a one-dimensional structure with hierarchical waiting-time distribution. PHYSICAL REVIEW. B, CONDENSED MATTER 1988; 38:2758-2764. [PMID: 9946588 DOI: 10.1103/physrevb.38.2758] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Tamai N, Yamazaki T, Yamazaki I. Excitation energy relaxation of rhodamine B in Langmuir-Blodgett monolayer films: Picosecond time-resolved fluorescence studies. Chem Phys Lett 1988. [DOI: 10.1016/0009-2614(88)80217-3] [Citation(s) in RCA: 60] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Kirski T. Energy transport and percolation on fractal structures with energy disorder. PHYSICAL REVIEW LETTERS 1988; 60:1578-1581. [PMID: 10038076 DOI: 10.1103/physrevlett.60.1578] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Domes H, Leyrer R, Haarer D, Blumen A. Percolative aspects in photoconductivity. PHYSICAL REVIEW. B, CONDENSED MATTER 1987; 36:4522-4524. [PMID: 9943453 DOI: 10.1103/physrevb.36.4522] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/11/2023]
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Zhang YC. Diffusion in a random potential: Hopping as a dynamical consequence of localization. PHYSICAL REVIEW LETTERS 1986; 56:2113-2116. [PMID: 10032894 DOI: 10.1103/physrevlett.56.2113] [Citation(s) in RCA: 20] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
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Models for Reaction Dynamics in Glasses. PHYSIC AND CHEMISTRY OF MATERIALS WITH LOW-DIMENSIONAL STRUCTURES 1986. [DOI: 10.1007/978-94-009-4650-7_5] [Citation(s) in RCA: 103] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
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