Open Access. Powered by Scholars. Published by Universities.®

Digital Commons Network™

Open Access. Powered by Scholars. Published by Universities.®

2021

Discipline
Institution
Keyword
Publication
Publication Type
File Type

Articles 7051 - 7080 of 33748

Full-Text Articles in Entire DC Network

Institutionalized Child Abuse: The Troubled Teen Industry, Yasmin L. Younis Sep 2021

Institutionalized Child Abuse: The Troubled Teen Industry, Yasmin L. Younis

SLU Law Journal Online

The “troubled teen industry” is an industry providing behavioral modification treatment to youths that promises to keep children safe, but by design is a breeding grounds for institutionalized child abuse through legal loopholes. By analyzing the legal shortcomings and alleged abuses, Yasmin Younis stresses the importance of heavy regulation in order to provide the necessary treatment some of these children need.


Forest Structure, Above-Ground Carbon Stocks, And Productivity Along An Elevational Gradient In The Ecuadorian Andes, Esteban Pinto Sep 2021

Forest Structure, Above-Ground Carbon Stocks, And Productivity Along An Elevational Gradient In The Ecuadorian Andes, Esteban Pinto

Theses and Dissertations

The Andean forest provides a natural laboratory for evaluating long-term interactions between forests and variation in environmental parameters along elevational gradients. In particular, the mechanisms that control above-ground carbon stocks (AGC) and natural dynamics in mountain ecosystems constitute a potentially powerful tool for understanding the function of these ecosystems and their response to current climate change scenarios or past human disturbances. The present study integrates biotic (rarefied species richness and leaf traits) and abiotic (climate, soil properties and degradation) factors as possible drivers of AGC stocks, AGC net change (AGCnt), AGC productivity (AGCp) and AGC mortality (AGCk), along an elevational …


How Democratic Is Democracy? A History Of Political Corruption In Peru, Kaitlyn Selzler Sep 2021

How Democratic Is Democracy? A History Of Political Corruption In Peru, Kaitlyn Selzler

Great Plains Graduate Review

With the emergence of revisionist scholarship beginning in the 1960’s and 1970’s, scholars have taken terms which had absolute definitions, such as totalitarianism or democracy, and introduced different perspectives and methods which questioned the absolute authority of historical terminology. As a case study into these new historical methodologies, this essay seeks to answer the question: How democratic is Peru’s democracy? To answer this question, this research explores the deep seeded corruption in Latin America, specifically Peru, beginning in 1985 with the election of Alan Garcia, continuing through the presidency of Alberto Fujimori, and eventually ending with the current state of …


Polyploidy And Pollen Grain Size: Is There A Correlation?, Harry Sanders Sep 2021

Polyploidy And Pollen Grain Size: Is There A Correlation?, Harry Sanders

Great Plains Graduate Review

Pollen grain size has been regularly used as an indicator of the ploidy level in plants. It has been demonstrated in some plants and assumed in others that the larger the pollen, the higher the level of ploidy. However, very little work has been done to confirm that this rule is accurate in at least the majority of cases. Most correlations of pollen grain size to ploidy level have been a side note in other research and have not considered the theoretical and genomic implications involved in such a measurement. While much of the literature presents ploidy level as being …


Expansion Of The Department Of Mathematics At Princeton University And The Founding Of The School Of Mathematics At The Institute For Advanced Study: 1900-1950, Andrew Beman-Cavallaro Sep 2021

Expansion Of The Department Of Mathematics At Princeton University And The Founding Of The School Of Mathematics At The Institute For Advanced Study: 1900-1950, Andrew Beman-Cavallaro

Great Plains Graduate Review

From 1900 to 1950 Princeton, New Jersey, hosted two of the most prestigious institutions and provided a location for the expansive mathematical investigations taking place just before, during, and immediately after the Second World War. Princeton University and the Institute for Advanced Study housed, fed, and provided workspaces for an array of Mathematicians uncovering new research methodologies (resulting in the defeat of both the Nazi Party and the Empire of Nippon), the foundation for modern experimental Mathematics, and expansions of Theoretical and Applied Physics.


Climate Change, Environmental Justice And Children’S Health: Break The Cycle Of Climate Change By Cultivating Future Leaders, I Leslie Rubin, Nse Obot Witherspoon Sep 2021

Climate Change, Environmental Justice And Children’S Health: Break The Cycle Of Climate Change By Cultivating Future Leaders, I Leslie Rubin, Nse Obot Witherspoon

Journal of Applied Research on Children: Informing Policy for Children at Risk

Children are more vulnerable to adverse environmental factors than adults. Children from poor communities, who are predominantly children of color, are most vulnerable to adverse environmental factors and have fewer protective resources. This combination results in adverse health outcomes for the children and impacts their potential for the future. This scenario can be viewed as an intergenerational cycle of heath disparities. Although the scope of the problem is vast, positive changes can be made on small scales, which, collectively have a significant impact in reducing health disparities and promoting health equity for all children. We have developed a program called …


Fabrication And Characterization Of Cobalt Pigmented Anodized Zinc For Photocatalytic Application, Judith Chebwogen, Onesmus Munyati, Sylvester Hatwaambo, Mghendi Mwamburi, Christopher Maghanga Sep 2021

Fabrication And Characterization Of Cobalt Pigmented Anodized Zinc For Photocatalytic Application, Judith Chebwogen, Onesmus Munyati, Sylvester Hatwaambo, Mghendi Mwamburi, Christopher Maghanga

International Journal of Thin Film Science and Technology

ZnO is an n-type oxide semiconductor with a direct wide band gap greater than 3 eV. Like any other semiconductor, the optical and electrical characteristics can be influenced by doping or adjusting process conditions which broaden its applications. In this work, varying amounts of Cobalt (0.01g-0.04g) were electrodeposited on anodized Zinc thin films (ZnO) followed by heat treatment to about 2500C. Optical characterization was performed in the range 300-2500 nm to obtain reflectance data which aided in defining the absorption coefficient and band gap of the films. Photocatalytic activity of the films was explored in Methylene Blue solution degradation under …


Prostate Volume Measurement Using Image Matching, Sarmad Mohammad, Abdulrahman Al-Awadhi Sep 2021

Prostate Volume Measurement Using Image Matching, Sarmad Mohammad, Abdulrahman Al-Awadhi

International Journal of Thin Film Science and Technology

The main objective of this research is to measure the abnormality of the prostate using image matching techniques by cross correlation to compare the volume of the a reference normal case and patient abnormal prostate enlargement volume case, in order to compute the amount of prostate volume enlargement ratio which represents an approximate amount of prostate volume enlargement and may be used by specialist as a diagnostics tool for farther patient treatment. So the specialist can measure patient prostate irregularity using this approach after overlapping and matching volume enclosed by patient abnormal case with volume of the normal case as …


Nitrogen Budgets On A Pasture Under Combined Utilization Of Grazing And Cutting, Y. Kurokawa, S. Yamamoto, Y. Iijima, M. Kitagawa, F. Omata, S. Sakamoto, H. Tanaka, S. Suzuki, T. Shioya Sep 2021

Nitrogen Budgets On A Pasture Under Combined Utilization Of Grazing And Cutting, Y. Kurokawa, S. Yamamoto, Y. Iijima, M. Kitagawa, F. Omata, S. Sakamoto, H. Tanaka, S. Suzuki, T. Shioya

IGC Proceedings (1977-2023)

Nitrogen budgets on a pasture being utilized for both grazing and cutting were investigated. A pasture containing tallfescue, orchard grass and white clover was divided into two areas: initially grazed (IA, 0.41ha) and grazed after cutting for hay (BA, 0.49ha). A herd of 4-5 cattle (heifers or steers of Japanese Black or Holstein) grazed at IA from 22 Apr. to 2 Jul. and grazed at both IA and BA from 3 Jul. to 21 Oct. 1999. The amount of N grazed from IA was 3 times higher than the sum of N of grazed herbage and harvested hay from BA. …


Effect Of Phosphatic Fertilizer Rates Level On Growth, Crude Protein Content And Nitrogen Fixation Ability Of Alfalfa At Sowing Year, Chang-Ho Kim, Hyo-Won Lee Sep 2021

Effect Of Phosphatic Fertilizer Rates Level On Growth, Crude Protein Content And Nitrogen Fixation Ability Of Alfalfa At Sowing Year, Chang-Ho Kim, Hyo-Won Lee

IGC Proceedings (1977-2023)

The experiment was conducted to determine effects of phosphate fertilizers on growth characteristics, crude protein content and nitrogen fixation ability of alfalfa (Medicago sativa L) in the sowing year. Two rates of phosphate (200 and 400 kg/ha P) were applied to phosphorus -deficient native soil in Korea and samples were taken every 7 days from the 30th to the 93rd day. Number of branches, root length and dry matter weight at phosphate fertilizer level of 400kg in sowing year more increased than those at 200kg/ha. The number of nodules did not differ due to phosphate fertilizer rate. The crude …


Phosphorus Fertilizer Requirements For Temperate Dairy Pastures And Milk Production In South Eastern Australia, C. J. P. Gourley, I. Awty, M. O'Doherty, S. R. Aarons Sep 2021

Phosphorus Fertilizer Requirements For Temperate Dairy Pastures And Milk Production In South Eastern Australia, C. J. P. Gourley, I. Awty, M. O'Doherty, S. R. Aarons

IGC Proceedings (1977-2023)

Phosphorus (P) fertilizer is required to sustain productive pastures in Australia, yet optimum P fertility is poorly defined. A large farmlet study involving 10 herds was established in 1995 to determine the relationship between milk production and pasture response to four different P fertilizer rates, at three stocking rates. Pasture growth significantly increased with increasing P fertilizer rate. Cumulative milk production from pasture over 4 years, was significantly affected by P fertilizer, but responses diminished with increasing P rate. The results from this study will enable a better targeting of P fertility levels for profitable milk production from temperate dairy …


Responses To Nitrogen Fertilizer In Dairy Pastures With Differing Phosphorus Fertility In South Eastern Australia, C. J. P. Gourley, H. Frame, M. E. Hall Sep 2021

Responses To Nitrogen Fertilizer In Dairy Pastures With Differing Phosphorus Fertility In South Eastern Australia, C. J. P. Gourley, H. Frame, M. E. Hall

IGC Proceedings (1977-2023)

The application of nitrogen (N) fertilizer to temperate pastures is an increasingly popular management tool for boosting pasture production on dairy farms in Australia. However, limited information is available about N fertilizer responses that can be obtained from pastures with varying levels of phosphorus (P) fertility. A field experiment examining the initial and residual response of pasture growth to urea was carried out within a large dairy farmlet study, in October 1998. The four P fertility treatments (Olsen P values) ranged from 9 to 32 mg/kg. Dry matter yields increased with increasing N rates in all treatments, at both harvests. …


Nursing Faculty Experiences During The Covid-19 Pandemic Response, Tara L. Sacco Dr., Michelle M. Kelly Dr. Sep 2021

Nursing Faculty Experiences During The Covid-19 Pandemic Response, Tara L. Sacco Dr., Michelle M. Kelly Dr.

Nursing Faculty/Staff Publications

AIM

The specific aim of the study was to describe nursing faculty experiences during the COVID-19 pandemic.

BACKGROUND

Academic nursing experiences were disrupted due to the COVID-19 pandemic. There is concern that the resulting stress threatens nursing faculty emotional well-being.

METHOD

A descriptive, quantitative study was conducted, exploring faculty academic and clinical roles during the COVID-19 pandemic, including perception of institutional support provided; faculty burnout, satisfaction, and well-being; and student support needs and well-being.

RESULTS

Analyses were performed on 117 quantitative and 49 qualitative responses. Participants perceived support from academic institutions and increased need to provide emotional support to students. …


Medical School Watercooler Newsletter - September 10, 2021, Lindsey Lyle Sep 2021

Medical School Watercooler Newsletter - September 10, 2021, Lindsey Lyle

Watercooler Newsletter

This is the September 10, 2021 edition of the Frederick P. Whiddon College of Medicine's newsletter - Watercooler.

Contents include:

  • Apply now: CCTS Partner Network Pilot Program
  • Video online: 'Weight Management for Children and Adults'
  • USA Medical Alumni Association to host event at Alumni Reunion Weekend
  • Mark your calendar for upcoming grand rounds
  • USA researcher awarded grant to evaluate the disease threat of Asian longhorned tick
  • Meet a Med Student: Claudia Stephens
  • Faculty Spotlight: James Slauterbeck, M.D.


Design And Application Of Hybrid Cyclic-Linear Peptide-Doxorubicin Conjugates As A Strategy To Overcome Doxorubicin Resistance And Toxicity, Saghar Mozaffari, David Salehi, Parvin Mahdipoor, Richard Beuttler, Rakesh Tiwari, Hamidreza Montazeri Aliabadi, Keykavous Parang Sep 2021

Design And Application Of Hybrid Cyclic-Linear Peptide-Doxorubicin Conjugates As A Strategy To Overcome Doxorubicin Resistance And Toxicity, Saghar Mozaffari, David Salehi, Parvin Mahdipoor, Richard Beuttler, Rakesh Tiwari, Hamidreza Montazeri Aliabadi, Keykavous Parang

Pharmacy Faculty Articles and Research

Doxorubicin (Dox) is used for breast cancer, leukemia, and lymphoma treatment as an effective chemotherapeutic agent. However, Dox use is restricted due to inherent and acquired resistance and an 8-fold increase in the risk of potentially fatal cardiotoxicity. Hybrid cyclic-linear peptide [R5K]W7A and linear peptide R5KW7A were conjugated with Dox through a glutarate linker to afford [R5K]W7A-Dox and R5KW7A-Dox conjugates to generate Dox derivatives. Alternatively, [R5K]W7C was conjugated with Dox via a disulfide linker to generate [R5K]W7C–S–S-Dox conjugate, where S–S is a disulfide bond. Comparative antiproliferative assays between conjugates [R5K]W7A-Dox, [R5K]W7C–S–S-Dox, linear R5KW7A-Dox, the corresponding physical mixtures of the peptides, …


Celebrate Latinx Heritage Month With History, Arts And Literature, Scott N. West Sep 2021

Celebrate Latinx Heritage Month With History, Arts And Literature, Scott N. West

University Libraries Blog Archive

Scott West shares popular and under-the-radar library resources by, for and about Latinx culture, authors, scholars and history.


Editorial: Redox-Active Molecules As Antimicrobials: Mechanisms And Resistance, Jong H. Kim, Luisa W. Cheng, Kirkwood M. Land, Martin C.H. Gruhlke Sep 2021

Editorial: Redox-Active Molecules As Antimicrobials: Mechanisms And Resistance, Jong H. Kim, Luisa W. Cheng, Kirkwood M. Land, Martin C.H. Gruhlke

Pacific Faculty Work

No abstract provided.


Small Studies, Big Decisions: The Role Of Pilot/Feasibility Studies In Incremental Science And Premature Scale-Up Of Behavioral Interventions, Michael William Beets, Lauren Von Klinggraeff, Robert G. Weaver, Bridget Ryan Armstrong, Sarah Burkart Sep 2021

Small Studies, Big Decisions: The Role Of Pilot/Feasibility Studies In Incremental Science And Premature Scale-Up Of Behavioral Interventions, Michael William Beets, Lauren Von Klinggraeff, Robert G. Weaver, Bridget Ryan Armstrong, Sarah Burkart

Faculty Publications

Background: Careful consideration and planning are required to establish “sufficient” evidence to ensure an investment in a larger, more well-powered behavioral intervention trial is worthwhile. In the behavioral sciences, this process typically occurs where smaller-scale studies inform larger-scale trials. Believing that one can do the same things and expect the same outcomes in a larger-scale trial that were done in a smaller-scale preliminary study (i.e., pilot/feasibility) is wishful thinking, yet common practice. Starting small makes sense, but small studies come with big decisions that can influence the usefulness of the evidence designed to inform decisions about moving forward with a …


Functions Of Social Networks In Maternal Food Choice For Children In Mexico, Ligia I. Reyes, Edward A. Frongillo, Spencer Moore, Christine E. Blake, Wendy Gonzalez, Anabelle Bonvecchio Sep 2021

Functions Of Social Networks In Maternal Food Choice For Children In Mexico, Ligia I. Reyes, Edward A. Frongillo, Spencer Moore, Christine E. Blake, Wendy Gonzalez, Anabelle Bonvecchio

Faculty Publications

Food choice for children has important implications in establishing early-life dietary habits and preferences. Food choice for children has been studied as parent–child dyad dynamics, but little is known about the extended system of relationships in maternal food choice for children. The objective of this study was to understand the functions of mothers' social networks in the food choices that mothers make for their children ages 1 to 5 years old in rural Mexico. In-depth interviews were conducted with 46 participants in three rural communities. The interviews inquired about participants' child-feeding practices, personal and local beliefs about child feeding and …


The Diamond, September 10, 2021, Dordt University Sep 2021

The Diamond, September 10, 2021, Dordt University

Dordt Diamond

  • Front Page: Dordt Posts Record Enrollment, Largest Freshman Class; Dordt Issues Preparedness Email After Tornado Threat; Dordt Begins Fall Semester with 46 Percent of Student Body Vaccinated
  • News: First Mondays Speaker's Call to Love; Record Enrollment Consequential for Dordt Financials; A Gospel Chorus of Community
  • Sports: Friday Night Lights; The Trail Ahead: Cross Country Preview; Dordt Volleyball Kicks Off Their Season in Idaho; Minnesota Vikings Preseason Preview
  • Arts & Entertainment: The Pops Concert Goes Digital; Free Guy: What Ready Player One Should Have Been; Shang-Chi Moves Marvel in a Fresh, Diverse Direction
  • Feature: Finding a Home in Sioux Center; …


Simultaneous Experiences Of Type 2 Diabetes And Symptoms Of Depression And/Or Anxiety Among Latina Women 60 And Older, Adrienne S. Martinez-Hollingsworth Sep 2021

Simultaneous Experiences Of Type 2 Diabetes And Symptoms Of Depression And/Or Anxiety Among Latina Women 60 And Older, Adrienne S. Martinez-Hollingsworth

Dissertations

Latina older adult women disproportionately suffer from type 2 diabetes (diabetes) and symptoms of depression and/or anxiety. These disease states are associated with serious declines in health outcomes and a three-fold reduction in treatment compliance. Few studies have examined this phenomenon exclusively among Latina older adult women or have captured the impact of intersectional identity on their experiences, values or problem-solving methods related to self-management.

The purpose of this study was to examine how Latina women, 60 and over, emotionally experience both diabetes and interactions with care providers during help-seeking and care engagement.


A Southwestern United States Pilot Investigation Of Triatomine–Mite Prevalence, Kyndall C. Dye-Braumuller, Hanna Waltz, Mary K. Lynn, Stephen A. Klotz, Justin O. Schmidt, Alvaro Romero, Marvin Stanley Rodriguez Aquino, Jose Ricardo Palacios Valladares, Pamela Michelle Cornejo Rivas, Melissa Nolan Ph.D., Mph Sep 2021

A Southwestern United States Pilot Investigation Of Triatomine–Mite Prevalence, Kyndall C. Dye-Braumuller, Hanna Waltz, Mary K. Lynn, Stephen A. Klotz, Justin O. Schmidt, Alvaro Romero, Marvin Stanley Rodriguez Aquino, Jose Ricardo Palacios Valladares, Pamela Michelle Cornejo Rivas, Melissa Nolan Ph.D., Mph

Faculty Publications

An estimated 70 million persons in the Western Hemisphere are living at risk for Chagas disease, a parasitic infection transmitted to humans by over 156 different competent triatomine insect vector species. Prior Pan American Health Organization insecticide campaigns throughout Latin America in the 1990s and 2000s demonstrated that domestic insecticide spraying had temporary effects, which resulted in the re-establishment of triatomine species within a few years. Serendipitously, our team found ectoparasitic mites parasitizing triatomines collected from the field in multiple locations in the southwestern United States, where human–triatomine interaction was high but human parasite infection remains low. Upon further investigation …


Simulating Influenza Epidemics With Waning Vaccine Immunity, Chun-Miin Chen, Alia C. Stanciu Sep 2021

Simulating Influenza Epidemics With Waning Vaccine Immunity, Chun-Miin Chen, Alia C. Stanciu

Faculty Journal Articles

In this study, we simulate an influenza epidemic that considers the effects of waning immunity by fitting epidemiological models to CDC secondary historical data aggregated on a weekly basis, and derive the transmission rates at which susceptible individuals become infected over the course of the influenza season. Using a system of differential equations, we define four groups of individuals in a population: susceptible, vaccinated, infected, and recovered. We show that a larger number of initially infected individuals might not only bring the influenza season to an end sooner but also reduce the epidemic size. Moreover, any influenza virus that entails …


Neuropathic Pain: Biomolecular Intervention And Imaging Via Targeting Microglia Activation, Aijun Ji, Jinbin Xu Sep 2021

Neuropathic Pain: Biomolecular Intervention And Imaging Via Targeting Microglia Activation, Aijun Ji, Jinbin Xu

Open Access Publications

Many diseases, including cancer, can lead to neuropathic pain (NP). NP is one of the accompanying symptoms of suffering in many conditions and the life quality of NP patient is seriously affected. Due to complex causes, the effects of clinical treatments have been very unsatisfactory. Many experts have found that neuron-microglia interaction plays an essential role in NP occurrence and development. Therefore, the activation of microglia, related inflammatory mediators and molecular and cellular signaling pathways have become the focus of NP research. With the help of modern functional imaging technology, advanced pre-and clinical studies have been carried out and NP …


Predicting Drug Sensitivity Of Cancer Cells Based On Dna Methylation Levels, Sofia P. Miranda, Fernanda A. Baião, Julia L. Fleck, Stephen R. Piccolo Sep 2021

Predicting Drug Sensitivity Of Cancer Cells Based On Dna Methylation Levels, Sofia P. Miranda, Fernanda A. Baião, Julia L. Fleck, Stephen R. Piccolo

Faculty Publications

Cancer cell lines, which are cell cultures derived from tumor samples, represent one of the least expensive and most studied preclinical models for drug development. Accurately predicting drug responses for a given cell line based on molecular features may help to optimize drug-development pipelines and explain mechanisms behind treatment responses. In this study, we focus on DNA methylation profiles as one type of molecular feature that is known to drive tumorigenesis and modulate treatment responses. Using genome-wide, DNA methylation profiles from 987 cell lines in the Genomics of Drug Sensitivity in Cancer database, we used machine-learning algorithms to evaluate the …


Radiation And Androgen Deprivation Therapy With Or Without Docetaxel In The Management Of Nonmetastatic Unfavorable-Risk Prostate Cancer: A Prospective Randomized Trial, Andrew Renshaw Sep 2021

Radiation And Androgen Deprivation Therapy With Or Without Docetaxel In The Management Of Nonmetastatic Unfavorable-Risk Prostate Cancer: A Prospective Randomized Trial, Andrew Renshaw

All Publications

PURPOSE

Although docetaxel is not recommended when managing men with unfavorable-risk prostate cancer (PC) given negative or inconclusive results from previous randomized trials, unstudied benefits may exist.


METHODS

Between September 21, 2005, and January 13, 2015, we randomly assigned 350 men 1:1 with T1c-4N0M0 unfavorable-risk PC to receive radiation therapy (RT) and androgen deprivation therapy (ADT) plus docetaxel (60 mg/m2 once every 3 weeks for three cycles before RT and 20 mg/m2 once weekly during RT) versus ADT + RT. We evaluated the treatment effect of adding docetaxel to ADT + RT on the primary end point of overall survival …


Dry And Wet Deposition Of Microplastics In A Semi-Arid Region (Shiraz, Iran), Sajjad Abbasi, Andrew Turner Sep 2021

Dry And Wet Deposition Of Microplastics In A Semi-Arid Region (Shiraz, Iran), Sajjad Abbasi, Andrew Turner

School of Geography, Earth and Environmental Sciences

Microplastics (MP) have been retrieved from settled dusts and rainfall collected monthly over a period of a year and daily over an additional period of ten days in the city of Shiraz and at an elevated remote site (Mount Derak) in Iran. Total monthly deposition ranged from about 1000 to 3500 MP m−2 at Shiraz and about 200 to 600 MP m−2 at Mount Derak, with greater deposition taking place during the dry months (June to November) than in months when precipitation events occurred. Overall, MP deposition was dominated by dry deposition, with precipitation appearing to washout MP and inhibit …


Internal Wave Dynamics Over Isolated Seamount And Its Influence On Coral Larvae Dispersion, Nataliya Stashchuk, Vasiliy Vlasenko Sep 2021

Internal Wave Dynamics Over Isolated Seamount And Its Influence On Coral Larvae Dispersion, Nataliya Stashchuk, Vasiliy Vlasenko

School of Biological and Marine Sciences

The internal wave dynamics over Rosemary Bank Seamount (RBS), North Atlantic, were investigated using the Massachusetts Institute of Technology general circulation model. The model was forced by M2-tidal body force. The model results are validated against the in-situ data collected during the 136th cruise of the RRS “James Cook” in June 2016. The observations and the modeling experiments have shown two-wave processes developed independently in the subsurface and bottom layers. Being super-critical topography for the semi-diurnal internal tides, RBS does not reveal any evidence of tidal beams. It was found that below 800-m depth, the tidal flow generates bottom trapped …


Spontaneous Formation Of Star-Shaped Surface Patterns In A Driven Bose-Einstein Condensate, K. Kwon, K. Mukherjee, S. J. Huh, K. Kim, Simeon I. Mistakidis, D. K. Maity, P. G. Kevrekidis, S. Majumder, P. Schmelcher, J. Y. Choi Sep 2021

Spontaneous Formation Of Star-Shaped Surface Patterns In A Driven Bose-Einstein Condensate, K. Kwon, K. Mukherjee, S. J. Huh, K. Kim, Simeon I. Mistakidis, D. K. Maity, P. G. Kevrekidis, S. Majumder, P. Schmelcher, J. Y. Choi

Physics Faculty Research & Creative Works

We Observe Experimentally The Spontaneous Formation Of Star-Shaped Surface Patterns In Driven Bose-Einstein Condensates. Two-Dimensional Star-Shaped Patterns With L-Fold Symmetry, Ranging From Quadrupole (L=2) To Heptagon Modes (L=7), Are Parametrically Excited By Modulating The Scattering Length Near The Feshbach Resonance. An Effective Mathieu Equation And Floquet Analysis Are Utilized, Relating The Instability Conditions To The Dispersion Of The Surface Modes In A Trapped Superfluid. Identifying The Resonant Frequencies Of The Patterns, We Precisely Measure The Dispersion Relation Of The Collective Excitations. The Oscillation Amplitude Of The Surface Excitations Increases Exponentially During The Modulation. We Find That Only The L=6 Mode …


Parole Interview Transcript/Decision - Fusl000080 (2017-05-17) Sep 2021

Parole Interview Transcript/Decision - Fusl000080 (2017-05-17)

Parole Interview Transcripts and Decisions

No abstract provided.