نتایج جستجو برای: energy fluctuations

تعداد نتایج: 728583  

1992
M. Matsuo T. Døssing B. Herskind S. Frauendorf

Fluctuations associated with stretched E2 transitions from high spin levels in nuclei around 168 Yb are investigated by a cranked shell model extended to include residual two-body interactions. It is found that the gamma-ray energies behave like random variables and the energy spectra show the Poisson fluctuation, in the cranked mean field model without the residual interaction. With two-body r...

Journal: :Physical review letters 2009
B I Abelev M M Aggarwal Z Ahammed B D Anderson D Arkhipkin G S Averichev J Balewski O Barannikova L S Barnby J Baudot S Baumgart D R Beavis R Bellwied F Benedosso M J Betancourt R R Betts A Bhasin A K Bhati H Bichsel J Bielcik J Bielcikova B Biritz L C Bland M Bombara B E Bonner M Botje J Bouchet E Braidot A V Brandin E Bruna S Bueltmann T P Burton M Bystersky X Z Cai H Caines M Calderón de la Barca Sánchez O Catu D Cebra R Cendejas M C Cervantes Z Chajecki P Chaloupka S Chattopadhyay H F Chen J H Chen J Y Chen J Cheng M Cherney A Chikanian K E Choi W Christie R F Clarke M J M Codrington R Corliss T M Cormier M R Cosentino J G Cramer H J Crawford D Das S Das S Dash M Daugherity L C De Silva T G Dedovich M DePhillips A A Derevschikov R Derradi de Souza L Didenko P Djawotho S M Dogra X Dong J L Drachenberg J E Draper J C Dunlop M R Dutta Mazumdar W R Edwards L G Efimov E Elhalhuli M Elnimr V Emelianov J Engelage G Eppley B Erazmus M Estienne L Eun P Fachini R Fatemi J Fedorisin A Feng P Filip E Finch V Fine Y Fisyak C A Gagliardi L Gaillard D R Gangadharan M S Ganti E J Garcia-Solis A Geromitsos F Geurts V Ghazikhanian P Ghosh Y N Gorbunov A Gordon O Grebenyuk D Grosnick B Grube S M Guertin K S F F Guimaraes A Gupta N Gupta W Guryn B Haag T J Hallman A Hamed J W Harris W He M Heinz S Heppelmann B Hippolyte A Hirsch E Hjort A M Hoffman G W Hoffmann D J Hofman R S Hollis H Z Huang T J Humanic L Huo G Igo A Iordanova P Jacobs W W Jacobs P Jakl C Jena F Jin C L Jones P G Jones J Joseph E G Judd S Kabana K Kajimoto K Kang J Kapitan D Keane A Kechechyan D Kettler V Yu Khodyrev D P Kikola J Kiryluk A Kisiel S R Klein A G Knospe A Kocoloski D D Koetke M Kopytine W Korsch L Kotchenda V Kouchpil P Kravtsov V I Kravtsov K Krueger M Krus C Kuhn L Kumar P Kurnadi M A C Lamont J M Landgraf S LaPointe J Lauret A Lebedev R Lednicky C-H Lee J H Lee W Leight M J LeVine C Li N Li Y Li G Lin S J Lindenbaum M A Lisa F Liu J Liu L Liu T Ljubicic W J Llope R S Longacre W A Love Y Lu T Ludlam G L Ma Y G Ma D P Mahapatra R Majka O I Mall L K Mangotra R Manweiler S Margetis C Markert H S Matis Yu A Matulenko D McDonald T S McShane A Meschanin R Milner N G Minaev S Mioduszewski A Mischke B Mohanty D A Morozov M G Munhoz B K Nandi C Nattrass T K Nayak J M Nelson P K Netrakanti M J Ng L V Nogach S B Nurushev G Odyniec A Ogawa H Okada V Okorokov D Olson M Pachr B S Page S K Pal Y Pandit Y Panebratsev T Pawlak T Peitzmann V Perevoztchikov C Perkins W Peryt S C Phatak P Pile M Planinic J Pluta D Plyku N Poljak A M Poskanzer B V K S Potukuchi D Prindle C Pruneau N K Pruthi P R Pujahari J Putschke R Raniwala S Raniwala R Redwine R Reed A Ridiger H G Ritter J B Roberts O V Rogachevskiy J L Romero A Rose C Roy L Ruan M J Russcher R Sahoo I Sakrejda T Sakuma S Salur J Sandweiss M Sarsour J Schambach R P Scharenberg N Schmitz J Seger I Selyuzhenkov P Seyboth A Shabetai E Shahaliev M Shao M Sharma S S Shi X-H Shi E P Sichtermann F Simon R N Singaraju M J Skoby N Smirnov R Snellings P Sorensen J Sowinski H M Spinka B Srivastava A Stadnik T D S Stanislaus D Staszak M Strikhanov B Stringfellow A A P Suaide M C Suarez N L Subba M Sumbera X M Sun Y Sun Z Sun B Surrow T J M Symons A Szanto de Toledo J Takahashi A H Tang Z Tang L H Tarini T Tarnowsky D Thein J H Thomas J Tian A R Timmins S Timoshenko D Tlusty M Tokarev V N Tram A L Trattner S Trentalange R E Tribble O D Tsai J Ulery T Ullrich D G Underwood G Van Buren M van Leeuwen A M Vander Molen J A Vanfossen R Varma G M S Vasconcelos I M Vasilevski A N Vasiliev F Videbaek S E Vigdor Y P Viyogi S Vokal S A Voloshin M Wada M Walker F Wang G Wang J S Wang Q Wang X Wang X L Wang Y Wang G Webb J C Webb G D Westfall C Whitten H Wieman S W Wissink R Witt Y Wu W Xie N Xu Q H Xu Y Xu Z Xu P Yang P Yepes K Yip I-K Yoo Q Yue M Zawisza H Zbroszczyk W Zhan S Zhang W M Zhang X P Zhang Y Zhang Z P Zhang Y Zhao C Zhong J Zhou R Zoulkarneev Y Zoulkarneeva J X Zuo

We report K/pi fluctuations from Au + Au collisions at sqrt[s(NN)]= 19.6, 62.4, 130, and 200 GeV using the STAR detector at the Relativistic Heavy Ion Collider. K/pi fluctuations in central collisions show little dependence on incident energy and are on the same order as those from NA49 at the Super Proton Synchrotron in central Pb + Pb collisions at sqrt[s(NN)]=12.3 and 17.3 GeV. We report res...

Journal: :Suplemento de la revista mexicana de física 2022

A formula to calculate the quantum fluctuations of energy in small subsystems a hot and relativistic gas is derived. We find an increase for sizes, but we agrees with canonical ensemble if size large enough. Not only one can use our expression limit concepts density or fluid element connection heavy-ion collisions, also other areas physics where studies matter high temperature velocity.

Journal: :international journal of smart electrical engineering 2013
mohammad sarvi mohammad parpaei

nowadays the position of the renewable energy is so important because of the environment pollution and the limitation of fossil fuels in the world. energy can be generated more and more by the renewable sources, but the fossil fuels are non-renewable. one of the most important renewable sources is the wind energy. the wind energy is an appropriate alternative source of fossil fuel. the replacem...

1996
Mark Srednicki

We study the fluctuations that are predicted in the autocorrelation function of an energy eigenstate of a chaotic, two-dimensional billiard by the conjecture (due to Berry) that the eigenfunction is a gaussian random variable. We find an explicit formula for the root-mean-square amplitude of the expected fluctuations in the autocorrelation function. These fluctuations turn out to be O(h̄) in the...

Journal: :Physical review. E, Statistical, nonlinear, and soft matter physics 2007
John B Bell Alejandro L Garcia Sarah A Williams

The Landau-Lifshitz Navier-Stokes (LLNS) equations incorporate thermal fluctuations into macroscopic hydrodynamics by using stochastic fluxes. This paper examines explicit Eulerian discretizations of the full LLNS equations. Several computational fluid dynamics approaches are considered (including MacCormack's two-step Lax-Wendroff scheme and the piecewise parabolic method) and are found to giv...

Journal: :The journal of physical chemistry. B 2010
V M Rozenbaum Yu A Makhnovskii D-Y Yang S-Y Sheu S H Lin

We consider noise-induced reciprocating motion on the nanoscale and its rectification to directed motion using a simple model in which transitions between two fluctuating states occur through two reaction channels with fluctuating transition rates. The fluctuations of states and transition rates arise from equilibrium thermal and external nonthermal noise which is in either case position-depend...

Journal: :The Journal of chemical physics 2014
N Mann P Nalbach S Mukamel M Thorwart

Symmetry breaking caused by geometric fluctuations can enable processes that are otherwise forbidden. An example is a perylene bisimide dyad whose dipole moments are perpendicular to each other. Förster-type energy transfer is thus forbidden at the equilibrium geometry since the dipolar coupling vanishes. Yet, fluctuations of the geometric arrangement have been shown to induce finite energy tra...

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