Dynamics and Asymptotics of Correlations in a Many-Body Localized System

We examine the dynamics of nearest-neighbor bipartite concurrence and total correlations in the spin-1/2 $XXZ$ model with random fields. We show, starting from factorized random initial states, that the concurrence can suffer entanglement sudden death in the long time limit and therefore may not be a useful indicator of the properties of the system. In contrast, we show that the total correlations capture the dynamics more succinctly, and further reveal a fundamental difference in the dynamics governed by the ergodic versus many-body localized phases, with the latter exhibiting dynamical oscillations. Finally, we consider an initial state composed of several singlet pairs and show that by fixing the correlation properties, while the dynamics do not reveal noticeable differences between the phases, the long-time values of the correlation measures appear to indicate the critical region.Comment: 5 pages, 5 figures. Close to published versio

Nonclassicality and criticality in symmetry-protected magnetic phases

Quantum and global discord in a spin-1 Heisenberg chain subject to single-ion anisotropy (uniaxial field) are studied using exact diagonalisation and the density matrix renormalisation group (DMRG). We find that these measures of quantum nonclassicality are able to detect the quantum phase transitions confining the symmetry protected Haldane phase and show critical scaling with universal exponents. Moreover, in the case of thermal states, we find that quantum discord can increase with increasing temperature.Comment: 7 pages, 6 figures, Close to published version. Includes a link to data used for the figure

Comparison and Analysis of Flexibility for Cutlery Made from Biobased/ Biodegradable and Petrochemical Materials

Biorenewable plastics can have the potential to reduce pollution, demand on landfills, and dependence on foreign petroleum caused by petroleum-based plastics. To determine the performance of biobased utensils compared to petrochemical based utensils, this study investigated 13 bio-based/biorenewable utensils and six petrochemical utensils in terms of weight, stiffness, and specific stiffness (stiffness/weight ratio). The Commercial Item Description (CID), which was created by the U.S. Government via the General Services Administration (GSA), is the current standard for testing utensils. The biobased products selected for this study were “commercial or industrial products (other than food or feed) that are composed, in whole, or in significant part, of biological products, renewable agricultural materials (including plant, animal, and marine materials), or forestry materials.” (USDA Bio Preferred Program, 2012). The results of this study show that the majority of biobased products exhibited similar strength and deflection under a given load as petrochemical products. This is the first comparison of this kind and it will allow designers and manufacturers to further optimize their products

Analysis of Compost Treatments to Establish Shrubs and Improve Water Quality

Utilization of compost as an erosion control tool is gaining momentum for many reasons. Compost offers excellent surface protection for reducing topsoil loss while providing a favorable substrate for hydroseed mixes. Soil moisture is retained and nutrients for vegetation are provided, meanwhile inhibiting undesirable plant species. However, there is wide variation in available compost sources and cost. Possible interactions between compost composition, soil type and vegetation production may occur. Hence, an experiment aimed to determine whether there is a noticeable difference in erosion control and seedling germination performance between several common types of compost applied at varying rates and methods over two subsoils was established. The experiment was conducted at the Erosion Research Facility at California Polytechnic State University, San Luis Obispo, in conjunction with the California Department of Transportation, and the Office of Water Program at California State University, Sacramento. Fine sandy loam and silty clay subsoils were collected from two California highway construction sites. Test boxes were filled with one of the two soils, compacted, and positioned at a south-facing 2H:1V slope. After compost application, a hydroseed mix of four California native shrubs, Baccharis pilularis, Eriogonum fasciculatum, Eriophyllum confertiflorum, and Lotus scoparius, were seeded on the test boxes. Applications of the three composts included 1) topical 16 mm depth, 2) an admixture of soil and compost (25% by volume), as well as hydroseeding (finest textured compost only) at 3363 kg/ha with 1121 kg/ha fiber, 3) natural rainfall collected from boxes was analyzed for total water runoff, sediment load, sediment concentration, pH, total dissolved salts, and turbidity. In terms of water quality, all compost treatments performed significantly better than the control. Direct surface application consistently produced better water quality than mixed compost/soil application, yet mixing compost with the sandy clay loam produced more native shrubs

The Grizzly, September 4, 1987

Convocation Greets Academic Year • Eisenhower Speech Kicks off New Year • Land of the Rising Sun • Student Life Shapes Up • Letter: Just Call Me Papa Juan • Just When You Thought It was Safe • Garrick Joins Resident Director Program • Hiel Begins Boosting Bookstore • Hager Brings New Ideas to College • Quinlin Continues Education • Notes: Women\u27s Stress Workshop; U.C. Honors Hardman and Neslen • Ursinus Football: For the Sheer Fun of It • Cross Country Runs Towards Promising Season • Hockey Travel to West Chester for Annual Tournament • Tannenbaum Sweeps CoSIDA Awards Again • Soccer Off to Rocky Start • The Dead Will Survive • Oh No! Video Blowouthttps://digitalcommons.ursinus.edu/grizzlynews/1190/thumbnail.jp

The Grizzly, March 20, 1987

Pledging Population Plummets • Resident Fulbright Scholar to Lecture on Latin America • Board Makes Promotions • Letter: Help is on the Way Writes Jamison • Upcoming Meistersinger and Chamber Singer Concert • Our Town Student Actor Profiles • Senior Symp. Surges Ahead • Women\u27s Lax Set to Defend Title on Wednesday • Bear Baseball Rides 5-1 Florida Trip into Collegeville • Track Opens • Young Softball Team Begins New Season •Swimmin\u27 Women Medal Winners • Infant Women\u27s Running Program Soars Over the MAC • Former Olympic Player to Fill Soccer Assistant Slot •Sieracki Steps Down after Seven Years • Deep Purple Releases Blue Light LPhttps://digitalcommons.ursinus.edu/grizzlynews/1185/thumbnail.jp

Accounting colonisation and austerity in arts organisations

This Habermasian qualitative study considers the nature and extent of accounting and austerity colonisation in the context of widening arts engagement in England in a period of financial austerity. It also explores some of the key impacts of austerity and accounting monitoring and how arts organisations coped with them. The findings suggest that the discourses of accounting and austerity were associated with a variety of forms of colonisation and limited resistance along a continuum. The discourse of austerity was portrayed as much more problematic and colonising than the extensive accounting monitoring which was taken for granted. The discourses and practices of austerity were implicated in morally ambiguous and role-conflicted organisational behaviour suggesting sublimated legitimation crisis tendencies but there was no evidence of widespread Habermasian motivation crisis in relation to austerity or accounting monitoring. Some organisational members responded actively to accounting colonisation, and as a reorientation or reversal of colonisation, created transformations of accounting through a range of narrative and visual reporting methods. Their evaluation of such qualitative data revealed an expression of autonomy in the face of pathological accounting colonisation, whilst paradoxically creating self-challenging monitoring procedures

The Grizzly, October 28, 1988

Students Indicted in Campus-Wide Drug Bust • Fraternity Admits Women • Updating Middle States • Letters: Is Ursinus Violating Human Rights?; No Breakfast for Old Men\u27s Residents • Rifkin Featured • French Presents Finzi • Ghan-di India and Back • Monster Megatheft Stuns U.C. • C\u27est La Vie - A France • And Now the Real Issues: For a Change of Pace • ProTheatre Presents a Voice of My Own • Tight Bear Pack Sets Fast Pace • UC Takes Offense • V-Ball Ends Flying High • Soccer Aims for Winning Season • Hockey Hopes Dashedhttps://digitalcommons.ursinus.edu/grizzlynews/1221/thumbnail.jp

The Grizzly, April 24, 1987

Professor: One of Eighty Arrested for Protest • Forum Series Ends • Spring Weekend Lacks Enthusiasm • Admissions Expands to New Areas • Letters: Room Selection Process Attacked; Another Attack; Apology; And a Different Response • Students Represent U.C. in D.C. at Center • Chapter Scholars Announced • Notes: Singing Instructions Begin; Student Musician Presents Recital • Final Exam Schedule • Bears Offensive Team Sweeps Haverford Double Header • Crowded House Instruments Variety • Brown Urges Students to Pump on For Fourth Annual Lift-A-Thon • Wood and Lucky Number 13 Gives Runners Record • Tennis Courts Wins • Lady LAX Team Rolling Towards NCAA\u27s • Netters Frustrated in Attempt to Reach End of Season .500 • Athlete of the Week: John Woodhttps://digitalcommons.ursinus.edu/grizzlynews/1188/thumbnail.jp

The Grizzly, September 11, 1987

The Stage is Set: Final Act to Complete Village • Center to Broaden Ursinus Horizons • We Are Seniors • Student Orientation Series Addresses Alcohol • Crackdown on Fake I.D. Users • Letter: Maintenance Poo Poo\u27s Paisley Two • Bennett Joins Political Science Department • Hood Offers Enthusiasm • R.A.\u27s Welcome Robson to U.C. • College Seeks Diverse Students • Notes: Looking for STARs; Scholarships Offered • Odger\u27s Optimism Leads Bears Back on the Field • Bears Are Back • Cross Country Struts Their Stuff • Run for Heisman May be a Catch • VBall: Set Your Eyes on These Spikers • Comics Step Up to Sophistication • Young Fares a C+ with Life • Get the Jump on the Jobhttps://digitalcommons.ursinus.edu/grizzlynews/1191/thumbnail.jp