Non-Fermi liquid behavior in a simple model of Fermi arcs and pseudogap

We consider a perturbed version of a very simple and exactly solvable model that supports Fermi arcs and pseudogap in its ground state and excitation spectrum, which includes Hubbard-like interactions in both momentum and real spaces. We find the combined effects give rise to non-Fermi liquid behavior in the electron self-energy. Comparison will be made with phenomenology of high temperature cuprate superconductors.Comment: 19 pages, 24 figures, an issue fixed on page

Mean Square Almost Periodic Solutions for Impulsive Stochastic Differential Equations with Delays

We establish a result on existence and uniqueness on mean square almost periodic solutions for a class of impulsive stochastic differential equations with delays, which extends some earlier works reported in the literature

Users’ Cognitive and Emotional Costs of Rebuilding Habits: The Case of Mobile Banking

Users’ constant interaction with digital interfaces and applications facilitates the development of habits in a given context. An interface redesign can disrupt a person’s established use pattern. As companies frequently update and redesign their digital applications, it is crucial to uncover the impact of interface re-adaptation on their clients’ attitudes and user experience. A within-subjects laboratory experiment was conducted with current users of an existing mobile banking application. Participants performed a series of tasks during consecutive visits to the current and updated versions of the application. Psychophysiological, perceptual, and behavioral data were collected via measurement of cognitive load, emotional experience, subjective attitude, and objective performance. Results suggest interface changes that disrupt users\u27 cognitive scripts impair re-adaptation; this entails greater cognitive load, perceived effort, and task completion times, as well as worsened perceptions of navigability during the completion of familiar tasks on the new interface. Theoretical and practical implications are discussed.\u2

Clostridioides difficile infection: microbe-microbe interactions and live biotherapeutics

Clostridioides difficile is a gram-positive, spore-forming, obligate anaerobe that infects the colon. C. difficile is estimated to cause nearly half a million cases in the United States annually, with about 29,000 associated deaths. Unfortunately, the current antibiotic treatment is not ideal. While antibiotics can treat the infections, they also disrupt the gut microbiota that mediates colonization resistance against enteric pathogens, including C. difficile; disrupted gut microbiota provides a window of opportunity for recurrent infections. Therefore, therapeutics that restore the gut microbiota and suppress C. difficile are being evaluated for safety and efficacy. This review will start with mechanisms by which gut bacteria affect C. difficile pathogenesis, followed by a discussion on biotherapeutics for recurrent C. difficile infections

Effects of surface straw mulching and buried straw layer on soil water content and salinity dynamics in saline soils

Field experiments were conducted to evaluate the effects of wheat straw return methods, which included the use of surface straw mulch and a buried straw layer, on soil water content, electrical conductivity (EC), and sodium adsorption ratio (SAR), in saline sodic soils in an effort to identify useful ways for reducing soil salt accumulation and enhancing soil water content. The results showed that the straw return treatments were effective for inhibiting salt accumulation and soil water loss, resulting in a reduction of EC and SAR, and an enhancement of soil water content. After a year-long experiment, compared to the treatment with no straw return, the straw burial and straw mulching treatments decreased the EC by 10.5% and 3.5%, reduced the SAR by 7.4% and 21.5%, and increased the soil water by 0.9% and 4.4%, respectively. Furthermore, the combined application of straw layer burial and surface straw return had a more significant effect than the individual treatments; the positive effect of straw return occurred mainly focused in the topsoil (0-40 cm) and decreased with increasing soil depth. Our results allowed us to conclude that burial of the straw layer was necessary to enhance the effects of surface mulch, and the combination of surface mulch (3.0 t¡ha-1 of wheat straw) and straw layer burial (6.0 t¡ha-1 of wheat straw) proved to be a better straw return method than the others.The accepted manuscript in pdf format is listed with the files at the bottom of this page. The presentation of the authors' names and (or) special characters in the title of the manuscript may differ slightly between what is listed on this page and what is listed in the pdf file of the accepted manuscript; that in the pdf file of the accepted manuscript is what was submitted by the author

Recent Trends of Microfluidics in Food Science and Technology: Fabrications and Applications

The development of novel materials with microstructures is now a trend in food science and technology. These microscale materials may be applied across all steps in food manufacturing, from raw materials to the final food products, as well as in the packaging, transport, and storage processes. Microfluidics is an advanced technology for controlling fluids in a microscale channel (1~100 μm), which integrates engineering, physics, chemistry, nanotechnology, etc. This technology allows unit operations to occur in devices that are closer in size to the expected structural elements. Therefore, microfluidics is considered a promising technology to develop micro/nanostructures for delivery purposes to improve the quality and safety of foods. This review concentrates on the recent developments of microfluidic systems and their novel applications in food science and technology, including microfibers/films via microfluidic spinning technology for food packaging, droplet microfluidics for food micro-/nanoemulsifications and encapsulations, etc

A Review on Konjac Glucomannan Gels: Microstructure and Application

Konjac glucomannan (KGM) has attracted extensive attention because of its biodegradable, non-toxic, harmless, and biocompatible features. Its gelation performance is one of its most significant characteristics and enables wide applications of KGM gels in food, chemical, pharmaceutical, materials, and other fields. Herein, different preparation methods of KGM gels and their microstructures were reviewed. In addition, KGM applications have been theoretically modeled for future uses