Dynamics of Complex Quantum Systems: Dissipation and Kinetic Equations

We present a microscopic approach to quantum dissipation and sketch the derivation of the kinetic equation describing the evolution of a simple quantum system in interaction with a complex quantum system. A typical quantum complex system is modeled by means of parametric banded random matrices coupled to the subsystem of interest. We do not assume the weak coupling limit and allow for an independent dynamics of the ``reservoir''. We discuss the reasons for having a new theoretical approach and the new elements introduced by us. The present approach incorporates known limits and previous results, but at the same time includes new cases, previously never derived on a microscopic level. We briefly discuss the kinetic equation and its solution for a particle in the absence of an external field.Comment: 7 pages, Elsevier style file espcrc2.st

The Ursinus Weekly, February 19, 1951

MSGA accepts modifications to Soph rules • Curtain Club to present one-act play, Feb. 27 • Dr. Krishnayya gives Indian position, clarifies Nehru\u27s policies on Red China • Complications feature plot of Speak easy • Ursinus graduate to address Pre-Legal society Tuesday • Thespians to produce Arsenic and Old Lace • All-Ursinus cast to appear March 17 on Stars in Your Eyes television show • Frosberg and Brownback named co-editors of Alumni Journal • Chi Alpha plans seminary visit, discusses ministerial course • Juniors pick Fuhrman • Campus displays colors for annual ceremony • Dean\u27s Office lists enrollment at 771; 19 enter this term • Lorelei lures males, wrecks egos with curious corsages • French Club sponsors mid-week Mardi Gras • Larry Livingston, chemist, to present lecture on Progress in Better Living • Editorial: Brotherhood, modern style; Lenten thoughts • English office, place of cheerful disorder, is the ultimate authority for all knowledge • Soft music provides impetus for study in relaxed atmosphere of record room • Turnabout: Professors divulge trade secrets, disclose examples of Ursinus student boners • If you tought you saw a puddie-cat in Pfahler, you did • Bears toppled from loop lead by Haverford five • Girls vying for Badminton berths • Swarthmore hands Ursinus Mermaids first defeat, 42-15 • Blue Hens triumph over Bears 23-11; Helfferich victor • Shreiner-Baird squad leads in intramural competition • Garnet cops 63-49 win over staggering Grizzlies • Brodbeck fives top intramural circuit • Should America\u27s women be drafted? • Chesterfield announces names of photography contest winners • IRC hears views of State Department as Miller reports off-record session • Spanish Club studies music • Board member to show film depicting Amish life April 26https://digitalcommons.ursinus.edu/weekly/1559/thumbnail.jp

The Ursinus Weekly, February 13, 1950

Balladeer Lee to appear for return engagement • Dr. White to return for colors ceremony • Geiger to manage Weekly business for spring season • Greek men launch rushing campaigns via party schedule • Rosicrucians honor thirty-seven coeds at after dinner tea • Dramateurs repeat stellar production of play Pygmalion • \u27Ruby editors meet first of deadlines after hard-fought battle against time • Yearbook to resort to threats, horror for financial push • Eleven join classes for spring session • Cabinet to finish Y roster Saturday • Dr. Philip accepts position as church choir director • Nelson Wenner wins first prize in lengthy Chesterfield contest • Critical British elections effect us as people face socialistic decision • Local lads acquire southern exposure between semesters • Should we have national frats? • Attention, athletes • Uh, don\u27t look now, but your habits are showing • PMC dumps bruins 90-61 in free scoring court tilt • Sports led Bailey from streetcar to high Ursinus post • Coeds succumb 5-0 in badminton fray • Bailey announces schedule for coming track season • Drexel tops bruins 71-60 as late rally falls short • Baseballers will go south for pre-season practice • Tank squad edges Dragon coeds 29-28 in initial encounter • Sextet loses 31-22 in first hoop battle of current season • Jayvees fall twice in narrow contests with Cadets, Drexel • Intramurals resume as squads competehttps://digitalcommons.ursinus.edu/weekly/1583/thumbnail.jp

The Ursinus Weekly, October 23, 1950

Bears trounce Garnet for first victory, 35-14 • Campus group will sponsor political rally • IRC plans events for near future • YM-YW commission to discuss president\u27s anti-red bill veto • Future teachers meet • Czech tells of red-occupied homeland to Bomberger Hall Forum audience • Group to organize unit of Red Cross • Senior class to sponsor masquerade Saturday • Clark, Deitch, Friedlin, and Maliken head freshman class • Congressman addresses Founders Day assembly • Curtain Club picks three members of Angel Street cast • Customs declared over by student councils • Phantasy reported in full rehearsal • Hundred and fifty girls attend annual junior-frosh breakfast • Editorial: Price of victory; Let\u27s send that TV set • Athletes keep new trainer busy • Scribe pens WSGA notes • Reporter ferrets facts about South, where life is chaotic but pleasant • MSGA discusses inter-dorm council, concession, and announcement limits • Delta Pi Sigma frat emerges as recognized social group • Bruins to clash with Seahawks at Staten Island • JV hockey squad whips Albright 11-0 • Booters tie alumni on Old Timers Day after mid-week 4-2 loss to Lafayette • Hockey team opens with 2-1 win over East Stroudsburg • Swarthmore bows 35-14 in first victory for Bears • Library to get additional tier of book racks • McPherson reigns as harvest queen at Varsity Club ball • Senior quartet makes debut on televisionhttps://digitalcommons.ursinus.edu/weekly/1549/thumbnail.jp

The Ursinus Weekly, March 12, 1951

Curtain Club groups to give plays on April 3 • Edna Millay\u27s poetry read at lit meeting • Ursinus on TV Saturday • Club to visit Seminary • Pageant planned • Forum to feature newspaper writer at March 14 session • Physiotherapist, dental school head to address Pre-med society • Speak Easy hailed as milestone in Ursinus theater work • Fraternities, sororities send out bids as Spring rushing period begins today • MSGA discusses election system • Final tryouts for Spring play to be held Wednesday, Thursday • Livingston gives illustrated talk to large crowd • Dr. Yost at Princeton on busman\u27s holiday • Bloodmobile to re-visit • Chess Club ties • Lantern selects material • Editorial: Story of a letter • Book reviewed • Organ was installed in 1916 as memoriam to C. H. Clark • Smokers warned of moocher\u27s smooth line; Inveterate victim lists defense tactics • IRC-PAC poll gives student views on foreign policy • Mr. Morrison invents zipped turkey; Facilitates the filling of the fowl • Library adds books by American authors • Major Bowen advocates aid to Chiang, says nationalists now ready and able • Dave Reice elected basketball captain • Christensen ends managerial career; Fisher carries on • Garnet downs Delaware to capture league title • Belles gain fifth victory as Vadner scores twenty • Ursinus swimmers beat Beaver mermaids, 34-23 • Fischer and Lintner elected to guide Bruins on grid during \u2751-\u2752 campaign • Baseball squad enters 2nd week of practice • Brodbeck teams lead men\u27s intramural loop • Schedules listed for track, tennis • Seven wrestlers lost by graduation; Basketball squad loses four regulars • Badminton team splits with Drexel, Bryn Mawrhttps://digitalcommons.ursinus.edu/weekly/1562/thumbnail.jp

The Ursinus Weekly, April 17, 1950

Junior prom to highlight week\u27s social calendar • Forum to present prominent explorer for monthly event • Students select leaders for WSGA, WAA, and Y • Senator to address PAC Wednesday • IRC group attends model UN assembly • French club plans April piano recital • ICG members help draft constitution • Scientists to participate in Y-sponsored panel • Practices continue for spring comedy • Board names six to Weekly editorial staff • Commission to discuss admittance of Negroes • \u27Waltz dream\u27 scores hit with Ursinus audiences • P.A.C. visits Washington on annually planned trip • Swedish books add variety to library language shelves • Alumnus suggests constitution change for alumni group • Three men and a rebel tour southland as vacation interrupts semester work • Ursinus welcomes new dance band • Grizzly nine tours south; trip is judged successful • Rampaging grizzlies open season with pair of wins • Tennis belles open against Bryn Mawr • Nine veterans back for softball season • Stine and Shreiner win men\u27s, girls\u27 intramurals • Gurzynski is named head football coach for 1950 • Annex wins honors on intramural night • Garris\u27 pageant selected for \u2750 May Day themehttps://digitalcommons.ursinus.edu/weekly/1589/thumbnail.jp

Measurement of the antineutrino neutral-current elastic differential cross section

arXiv:1309.7257v1 [hep-ex

Scalar Levin-Type Sequence Transformations

Sequence transformations are important tools for the convergence acceleration of slowly convergent scalar sequences or series and for the summation of divergent series. Transformations that depend not only on the sequence elements or partial sums $s_n$ but also on an auxiliary sequence of so-called remainder estimates $\omega_n$ are of Levin-type if they are linear in the $s_n$, and nonlinear in the $\omega_n$. Known Levin-type sequence transformations are reviewed and put into a common theoretical framework. It is discussed how such transformations may be constructed by either a model sequence approach or by iteration of simple transformations. As illustration, two new sequence transformations are derived. Common properties and results on convergence acceleration and stability are given. For important special cases, extensions of the general results are presented. Also, guidelines for the application of Levin-type sequence transformations are discussed, and a few numerical examples are given.Comment: 59 pages, LaTeX, invited review for J. Comput. Applied Math., abstract shortene

The Ursinus Weekly, November 7, 1949

G.B. Shaw derides England\u27s language in Pygmalion plot • European student enters Ursinus after long delay • Campus Y to boost annual WSSF drive with $1000 as goal • Calendar indicates vigorous, far-flung week-end schedule • Scout men to form service fraternity at meeting tonight • Sommers to appear for Starlight Ball • Old timers return for traditional day; Varsity queen rules • Philip organizes 125 for twelfth chorus of famed oratorio • Yearbook to open \u2749 shooting season • Author-publisher strongly denounces Britain\u27s welfare state as totalitarian • Band, singers plan combined concert • Coeds to cement relations at big-little sister party • FTA offers talk on opportunities • Editorial: Coming drives • Viewbook becomes new Ursinus agent throughout nation • Caracas native adds diversity to \u2753 class • Three twirlers add baton intricacies to marching band • Korean compares Hawaii U., Ursinus • Academy reveals diversified program for all music fans • Curtis emerges victorious in football; Play-offs to determine league winner • Ursinus bows 16-45 to Reading runners • Bears to encounter powerful grid foe at PMC this week • Fords, Lincoln defeat grizzly soccer team • Bearettes place six on all-college club in week-end meet • F&M downs bears 27-6 in old timers\u27 day clash • Evans scores goal to tie Swarthmore • Godshall supervises construction work for disposal planthttps://digitalcommons.ursinus.edu/weekly/1576/thumbnail.jp

Electromagnetic field correlations near a surface with a nonlocal optical response

The coherence length of the thermal electromagnetic field near a planar surface has a minimum value related to the nonlocal dielectric response of the material. We perform two model calculations of the electric energy density and the field's degree of spatial coherence. Above a polar crystal, the lattice constant gives the minimum coherence length. It also gives the upper limit to the near field energy density, cutting off its $1/z^3$ divergence. Near an electron plasma described by the semiclassical Lindhard dielectric function, the corresponding length scale is fixed by plasma screening to the Thomas-Fermi length. The electron mean free path, however, sets a larger scale where significant deviations from the local description are visible.Comment: 15 pages, 7 figure files (.eps), \documentclass[global]{svjour}, accepted in special issue "Optics on the Nanoscale" (Applied Physics B, eds. V. Shalaev and F. Tr\"ager