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Polymers Interacting With Spherical And Rodlike Particles, E. Eisenriegler, Andreas Hanke, S. Dietrich

Physics & Astronomy Faculty Publications

The interaction of a long flexible polymer chain with mesoscopic particles of spherical or elongated cylindrical shape is investigated by field-theoretic methods using the polymer-magnet analogy. In the case that these particles are immersed in a dilute polymer solution and exhibit purely repulsive surfaces we study density profiles for monomers and chain ends near such a particle, the change of configurational entropy by immersing a particle into the solution, and the depletion interaction between a particle and a distant planar wall. Both ideal chains and chains with an excluded-volume interaction are considered. We also analyze particle surfaces with a short-ranged …

Hierarchical Search Strategy For The Detection Of Gravitational Waves From Coalescing Binaries, Soumya Mohanty, S. Dhurandhar

Physics & Astronomy Faculty Publications

The detection of gravitational waves from coalescing compact binaries would be a computationally intensive process if a single bank of template wave forms (i.e., a one-step search) is used. We present, in this paper, a method which leads to a large reduction in the computational power required as compared to a one-step search. This method is a hierarchical search strategy involving two template banks. We show that the computational power required by such a two-step search, for an on-line detection of the one-parameter family of Newtonian signals, is 18 of that required when an on-line one-step search is used. This …

The Collegian (1995-11), Heidi Holland

UTB/TSC Archives - The Collegian [Newspaper]

Vol. 48, No. 6

Vol. 48, No. 7

The Pan American (1995-09-07), Meredith Markham

UTPA Archives - The Pan American Newspaper

44th Year, No. 2

The Pan American (1995-07-27), Meredith Markham

UTPA Archives - The Pan American Newspaper

43rd Year, No. 33

Orange & White - June 1995, University Of Texas At Brownsville, Texas Southmost College

UTB/TSC Archives - Orange & White Magazine

No abstract provided.

The Collegian (1995-04), Heidi Holland

UTB/TSC Archives - The Collegian [Newspaper]

Vol. 47, No. 7

Vol. 47, No. 8

The Pan American (1995-03-30), Arminda Munoz

UTPA Archives - The Pan American Newspaper

43rd Year, No. 21

The Pan American (1995-03-23), Arminda Munoz

UTPA Archives - The Pan American Newspaper

43rd Year, No. 20

The Collegian (1995-03), Heidi Holland

UTB/TSC Archives - The Collegian [Newspaper]

Vol. 47, No. 5

The Pan American (1995-01-19), Arminda Munoz

UTPA Archives - The Pan American Newspaper

43rd Year, No. 14

A Completely Integrable System And Parametric Representation Of Solutions Of The Wadati-Konno-Ichikawa Hierarchy, Zhijun Qiao

School of Mathematical & Statistical Sciences Faculty Publications

A finite-dimensional involutive system is presented, and the Wadati-Konno- Ichikawa (WKI) hierarchy of nonlinear evolution equations and their commutator representations are discussed in this article. By this finite-dimensional involutive system, it is proven that under the so-called Bargmann constraint between the potentials and the eigenfunctions, the eigenvalue problem (called the WKI eigenvalue problem) studied by Wadati, Konno, and Ichikawa [J. Phys. Sot. Jpn. 47, 1698 (1979)] is nonlinearized as a completely integrable Hamiltonian system in the Liouville sense. Moreover, the parametric representation of the solution of each equation in the WKI hierarchy is obtained by making use of the solution …

Utpa Institutional Fact Book 1995, University Of Texas-Pan American

UTPA Archives - Stats At A Glance

No abstract provided.

Scorpio 1995, University Of Texas At Brownsville, Texas Southmost College

UTB/TSC Archives - Scorpio Yearbook

No abstract provided.

Utb/Tsc Institutional Fact Book - Fall 1992 - Summer 1995

UTB/TSC Archives - Factbooks & Brochures

No abstract provided.

Utb/Tsc Commencement – Winter 1995, University Of Texas At Brownsville, Texas Southmost College

Brownsville Archives - Legacy Commencement Programs

No abstract provided.

Utb/Tsc Undergraduate Catalog 1995-1996, University Of Texas At Brownsville, Texas Southmost College

UTB/TSC Archives - Course Catalogs

No abstract provided.

Density Of States Of A Damped Quantum Oscillator, Andreas Hanke, W. Zwerger

Physics & Astronomy Faculty Publications

We calculate the density of states of a damped quantum-mechanical harmonic oscillator which is described by a Caldeira-Leggett type model with Ohmic dissipation and a Drude-like cutoff. From the exact expression for the associated partition function, we derive the asymptotic behavior of the density of states using Tauberian theorems. An effective algorithm to evaluate the density of states is presented and examples are given. It is pointed out that the calculated density of states is an experimentally accessible quantity.

The Pan American (1994-06), Arminda Munoz

UTPA Archives - The Pan American Newspaper

42nd Year, No. 27

42nd Year, No. 28

A Hierarchy Of Nonlinear Evolution Equations And Finite-Dimensional Involutive Systems, Zhijun Qiao

School of Mathematical & Statistical Sciences Faculty Publications

A spectral problem and an associated hierarchy of nonlinear evolution equations are presented in this article. In particular, the reductions of the two representative equations in this hierarchy are given: one is the nonlinear evolution equation rl= - ar,- 2icu/3] r2] r which looks like the nonlinear Schrijdinger equation, the other is the generalized derivative nonlinear Schrijdinger equation rt= $ar,,- ialr12r- a/3(lr12r),- a j3I r I 2r,-2iap21r14r which is just a combination of the nonlinear Schrijdinger equation and two different derivative nonlinear Schrodinger equations [D. J. Kaup and A. C. Newell, J. Math. Phys. 19, 789 (1978); M. J. Ablowitz, …

Utpa Commencement – Spring 1994, University Of Texas-Pan American

Edinburg Archives - Legacy Commencement Programs

No abstract provided.

Utb/Tsc Commencement – Spring 1994, University Of Texas At Brownsville, Texas Southmost College

Brownsville Archives - Legacy Commencement Programs

No abstract provided.

Effects Of Competition And Predation On Prothonotary Warblers And House Wrens Nesting In Eastern Iowa, Timothy Brush

School of Integrative Biological & Chemical Sciences (Formerly Dept. of Biology)

In a fragmented midwestern floodplain forest, a small Prothonotary Warbler (Protonotaria citrea) population experienced high competition with House Wrens (Troglodytes aedon) and mammalian nest predation in 1988-89. Despite the provision of 3 types of nest boxes and higher water levels, Prothonotary Warblers did not nest successfully and decreased in the fragmented forest in 1990-91. House Wrens used >90% of the nest boxes in both years. Wren territories doubled within the nestbox area, while remaining constant on an unmanipulated area. In contrast, a larger warbler population had high nesting success during 1990-91 in a relatively unfragmented, wetter forest tract. Such forests, …

Supplemental Carbon Dioxide And Light Improved Tomato And Pepper Seedling Growth And Yield, Alejandro Fierro, Nicolas Tremblay, André Gosselin

School of Earth, Environmental, & Marine Sciences Faculty Publications

The experiment was conducted to determine the effects of CO, enrichment (900 μl·liter-1, 8 hours/day) in combination with supplementary lighting of 100 μmol·s-1·m-2 (16- h photoperiod) on tomato (Lycopersicon esculentum Mill.) and sweet pepper (Capsicum annuum L.) seedling growth in the greenhouse and subsequent yield in the field. Enrichment with CO2 and supplementary lighting for » 3 weeks before transplanting increased accumulation of dry matter in shoots by » 50% compared with the control, while root dry weight increased 49% for tomato and 6270 for pepper. Early yields increased by =1570 and 11% for tomato and pepper, respectively.

The Collegian (1994-02), Tim Lopes

UTB/TSC Archives - The Collegian [Newspaper]

Vol. 45, No. 7

Vol. 45, No. 8

An Involutive System And Integrable C. Neumann System Associated With The Modified Korteweg-De Vries Hierarchy, Zhijun Qiao

School of Mathematical & Statistical Sciences Faculty Publications

In this article, a system of finite-dimensional involutive functions is presented and proven to be integrable in the Liouville sense. By using the nonlinearization method, the C. Neumann system associated with the modified Korteweg-de Vries (mKdV) hierarchy is obtained. Thus, the C. Neumann system is shown to be completely integrable via a gauge transformation between it and an integrable Hamiltonian system. Finally, the solution of a stationary mKdV equation and the involutive solutions of the mKdV hierarchy are secured. As two examples, the involutive solutions are given for the mKdV equation: u,+ ;uXXX- $u2u,=0 and the 5th mKdV equation v,- …

Utb/Tsc Undergraduate Catalog 1994-1995, University Of Texas At Brownsville, Texas Southmost College

UTB/TSC Archives - Course Catalogs

No abstract provided.

Utpa Catalog 1994-1996, University Of Texas Pan American

UTPA Archives - Course Catalogs

No abstract provided.

Utpa Fact Book 1992-1994, University Of Texas-Pan American

UTPA Archives - Stats At A Glance

No abstract provided.

Utpa Institutional Fact Book 1994, University Of Texas-Pan American

UTPA Archives - Stats At A Glance

No abstract provided.