Fenòmen. Explosions on neutron stars

FENOMEN NEWSLETTER OF THE DEPARTMENT OF PHYSICS AND NUCLEAR ENGINEERING Recen publica ions As ophysics Explosions on neu on s a s New hyd odynamic simula ions o ype I X- ay bu s s ( he monuclea explosions on he su ace o neu on s a s) ha e been pe o med by an in e na ional eam led by GAA esea che s J. José, F. Mo eno and A. Pa ikh. The wo k, which analyses he impac o he ini ial chemical composi ion on he ligh cu e and on associa ed nucleosyn hesis, has been published in The As ophysical Jou - nal Supplemen on July 2010. Ma e ials science Ul aslowing glass The glass ansi ion cons i u es one o he unsol ed p oblems o condensed ma e physics and ma e ial enginee ing. J. C. Ma inez-Ga cía and J. Ll. Tama i om he GCM g oup, in collabo a ion wi h esea che s om Poland, ha e p esen ed clea e idence in a ou o a c i ical-like di e gen equa ion o liquid c ys alline glass o me s and o ien a ionally diso - de ed c ys als ha ag ees wi h he la es expe imen al da a. Thei esul s appea ed on Physical Re iew E on Sep 10, 2010. Nonlinea op ics Gain o loss ma e ials Ma e ials wi h a pe iodic modula ion o hei ligh - ansmission cha ac e is ics, like pho onic c ys als, a e known o show un- usual p ope ies. M. Bo ey, R. He e o and K. S aliunas om he DONLL g oup a e in es iga ing a less well-known class o a i icial ma e ials wi h ela ed p ope ies: he gain-o -loss modula ed ma e ials. Thei la es indings on he empo al and spa ial ligh dispe sion in such ma e ials appea ed on Physical Re iew A on July 2010. Ma e ials Science Ques o supe solidi y Supe solidi y, o low o ma e in a solid wi hou esis ance, has been obse ed in helium in labs h oughou he wo ld since i s disco e y in 2004. One possible explana ion behind his phenomenon is he p esence o de- ec s, specially acancies. Y. Lu syshyn, G. As akha chik, C. Cazo la, and J. Bo ona om he SIMCON g oup ound ha bo h acancy ene gy and i s olume closely mimic he supe solid signal's expe imen al dependence on p essu e. The indings, published in he Rapid Communica ions sec ion o Physical Re iew B in No . 2010, we e selec ed as an Edi o s' Sugges ion o ha jou nal. Nonlinea op ics S ochas ic logic Many nonlinea sys ems exis in which noise can be employed in a cons uc i e manne . C is ina Masolle and Jo di Zamo a ha e p o ided ye ano he example o an op ical sys em whe e his seems o be he case: hey ha e nume ically demon- s a ed he phenomenon o logic s ochas ic esonance in a special ype o lase s known as VCSELs. Thei indings we e published in Op ics Exp ess in July 2010. DEPARTAMENT DE FÍSICA I ENGINYERIA NUCLEAR !NÚM. 9, TARDOR 2010 UNIVERSITAT POLITÈCNICA DE CATALUNYA!h p://d en.upc.edu NEWS 2010 FEN POSTDOCTORAL FELLOWSHIPS AWARDED •The Resea ch Commission o he Depa men decided o assign his yea ’s pos -doc posi ions o D . Isaac Llopis (SC-SIMBIO) and D . Ch is ian Bona o (DONLL). NEW RAMON Y CAJAL RESEARCHER •D . Simone Pigolo i, cu en ly a he Niels Boh Ins i u e (Denma k) will join he Depa men as a Ramon y Cajal ellow in sp ing 2011. He will become a membe o he DONLL esea ch g oup. EVENTS •P o Ge mán J de Valcá cel, om Uni- e si a de Valencia, ga e a sho cou se abou “Ca i y Quan um Op- ics” on May 24-28 in he Te assa Campus. •SIMCON collabo a o P o Daniel H. La ia, om Buenos Ai es Uni e si y, ga e a cou se on “Molecula dynamics simula ions wi h NAMD” wi hin he Compu a ional and Applied Physics Mas e p og amme on May and June, 2010. •Jo di Bo ona , Fe an Mazzan i, and G ego y As akha chik co-o ganized he “Co ela ions in Quan um Gases” wo kshop in Maó (Meno ca)!on Sep 30-Oc 2, in which Ma in Gi a deau’s 80 h anni e sa y was celeb a ed. •The 6 h mee ing o he Spanish Ne - wo k o Sys ems Biology will ake place on Decembe 9-10, 2010, a he Ins i u d’Es udis Ca alans in Ba ce- lona. The mee ing is co-o ganized by Jo di Ga cia-Ojal o. Ou pos docs Alis a O ochian, ma e ials scien- is “I ha e been in he G oup o Cha ac e i- za ion o Ma e ials since May 2010, as a Molecula Dynamic simula o . Unde he supe ision o P o . Josep Lluís Tama i and P o . Luis Ca los Pa do, my p ojec is abou unde s anding he mic oscopical mechanisms ha d i e he molecula elaxa ion in he plas ic phase. This spe- ci ic s a e o ma e is cha ac e ized by s ong asla ional and weak o ien a- ional o de . In ela ion o my in e es on diso - de ed sys ems, his wo k is a g ea oppo uni y o apply my p e ious knowledge o poly- me ic liquids in he ield o plas ic c ys- als. Despi e hei own pa icula i ies, hese wo esea ch ields can be consid- e ed as complemen a y aspec s o he same na u al diso de in he ma e . The knowledge on hese undamen al mecha- nisms o he ma e is an essen ial ing edi- en in he echnology o new and eco- compa ible ma e ials.” Alis a O ochian ob ained his PhD in applied physics om he Uni e si á di Pisa in Ap il 2010. He Joined ou depa men in May 2010 as a pos doc o al g an unded by FEN. Isaac Llopis, biophysicis “I joined he MOSIMBIO g oup o wo k wi h D . C. P a s and D . D. López in he s udy o he dynamics o Mycobac e ium ube culosis colo- nies in liquid and solid cul- u es. The objec- i e o he e- sea ch is o be - e unde s and he mo phology and g ow h o he bac e ia in di e en scena - ios, in he con ex o medical and pha - maceu ical esea ch. This should se e o imp o e he cu en in i o cul u es and o be e in e p e he beha io o hese in ec ious bac e ia inside he human body. Some ho opics in his ield a e o acili- a e labo a o y da a analysis and in e p e- a ion, o quan i y he ela ionship be- ween he o ma ion o clumps in he liquid cul u es and he oughness o he colonies, and o p edic how hese phe- nomena a ec he moni o ing o he in- ec ion cou se, as well as he dynamics in i o. This wo k is being ca ied ou in collabo a ion wi h he UTE (Uni a de Tube culosi Expe imen al, Hospi al Ge - mans T ias i Pujol, Uni e si a Au ònoma de Ba celona), an expe imen al g oup di ec ed by D . P. J. Ca dona.” Isaac Llopis ob ained his PhD in physics om he Uni e si a de Ba celona in 2008. He became a FEN pos doc in No embe 2010. P e iously he had been in FEN as a eaching assis an since 2008. Side No e FEN unde exam The Resea ch Ac i i y o he FEN De- pa men has been e alua ed by an ex e - nal Re iew Panel composed by i e ex- pe s, one o a di e en a ea o expe ise o he depa men : • P o . Jaume Casademun (Chai ) – UB, Spain; S a is ical and Non-Linea Phys- ics, and Biophysics • P o . La y R. Ni le – Ca negie Ins i- u ion, Washing on, USA; Cosmochem- is y and As ophysics • P o . Sylwes e J. Rzoska – Uni e si y o Silesia, Poland; Physics o Ma e ials and Condensed Ma e • P o . Jo di Mompa – UAB, Spain; Non-Linea Op ics & Quan um Physics • P o . Lluís Fon – UAB, Spain; Nuclea Physics The e alua ion has been pe o med h ough in e iews wi h he heads o he FEN esea ch g oups, and ex ac ing in- o ma ion om UPC da abases. The esul ing documen highligh s he ac i i- ies o he FEN wi hin UPC, and ou lines key aspec s o esea ch g oups such as publica ion le el, in e na ional impac , eaching load, and o igin o PhD s u- den s. DEPARTAMENT DE FÍSICA I ENGINYERIA NUCLEAR !NÚM. 9, TARDOR 2010 UNIVERSITAT POLITÈCNICA DE CATALUNYA!h p://d en.upc.edu MORE NEWS • Josep Lluís Tama i has been nomina ed membe o he College 6 (S uc u e and dynamics o liquids and glasses) a he Ins i- u e Laue-Lange in (G enoble, F ance) on June, 2010. SEMINARS • Lubos Mi as (No h Ca olina S a e Uni e - si y), ga e a semina on Sep 10 i led “G ound and exci ed wa e unc ions nodal s uc u es and pai ing e ec s by quan um Mon e Ca lo me hods”. He was in i ed by Jo di Bo ona om he SIMCON. • The Nuclea Enginee ing sec ion in i ed P o Se gey Smolen se om UCLA o gi e a semina on Sep 20. He spoke abou “MHD/ The mo luid S udies o Fusion Applica ions”. • Simone Pigolo i (Niels Boh Ins i u e, Den- ma k) ga e a semina on July 6 i led “Sym- bolic dynamics o biological oscilla ions”. BOOKS • Jo di Ga cía-Ojal o and Nú ia Domedel-Puig ha e con ibu ed he chap e ‘Sys ems biol- ogy o Mul iple Scle osis’ o he ‘Mul iple Scle osis T ea ise’ published by Ma ge Edi o s. • Membe s o he GCM ha e con ibu ed wo chap e s o he book ‘Me as able Sys ems unde P essu e’, by Sp inge . PHD THESES • Jo di Fe e Sa all. FEN ad iso s: Daniel López Codina and Joaquim Valls Ribas (June 21, 2010) • Rubén M Cabezón. FEN ad iso : Domingo Ga cia (Ap il 21, 2010) Edi ed by Dep de Física i Enginye ia Nuclea 2a plan a Edi ici B5, Campus No d UPC C. Jo di Gi ona Salgado, 1-3 08034 Ba celona Tel.93 401 6973, Fax. 93 401 7100