Graduate Program in Physics at UFSC, Florianópolis
  • Publicado em 20/11/2020 às 10:04 AM




  • Seminar with professor Giovanni F. Caramori – December 4, 2020 (friday) – 10:15 a.m

    Publicado em 30/11/2020 às 11:49 AM

    THE PHYSICS GRADUATE PROGRAM invites everyone to the seminar:

    Investigative In-Silico Design of Domed and Cylindrical Cage-Type Cyclophanes – A Computational Insight
    Giovanni F. Caramori
    Chemistry Department, Federal University of Santa Catarina

    Abstract:

    The role of functional groups in supramolecular systems determines its ability to recognize other molecules, as well as to rearrange its conformation into a specific shape.1,2,3 Cyclophanes are strained molecular cages that possess unusual chemical behavior, arising from its congested framework. Not only such constrained molecular frameworks are a noteworthy synthetic challenge target, but they are also known for being part of the “Hall of Fame” of molecules with ultra-short non-bonded contacts, and to be selective to determined guests. Cylindrophanes are fluoride selective hosts, which coordinate the anion through anion-π, H-bond, and ion-pair interactions. Both together are great examples that show how crucial such cyclophanes molecular framework is to be chemically investigated.
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  • Seminar with professor Fernando B. Dias – November 27, 2020 (friday) – 10:15 a.m.

    Publicado em 23/11/2020 às 09:31 AM

    THE PHYSICS GRADUATE PROGRAM invites everyone to the seminar:

    Triplet Harvesting in Organic Light Emitting Diodes

    Fernando B. Dias

    Department of Physics, Durham University, Durham DH1 3LE, UK.

    Abstract:

    In this talk we will discuss recente investigations on the development of organic materials with eficiente triplet harvesting properties. The photophysics of bi-metallic compounds showing eficiente room-temperature phosphorescence (RTP) and donor-acceptor compounds showing eficiente termal activated delayed fluorescence (TADF) will be discussed. These materials have enormous potential in diferente technological applications, including the development of materials for oxygen, and temperature sensing, bio-imaging, and in organic light emitting diodes (OLEDs). This tal kis aimed to a non-specialized audience, covering fundamental concepts in the photophysics of these materials, and also discussing techniques and methods that are currently used on their characterizations. I hope this talk to be an excelent opportunity for someone that is starting to work in this field to ask all these buming questions we all have when entering a new area of research.

    Date: November 27, 2020 – (friday) – Time: 10:15 a.m.

    link to access the youtube channel: https://youtu.be/CU6Hb5epklE


  • Defence of M.Sc. dissertation of William Renan Basso Bassoli – November 27, 2020 – 9:00 am

    Publicado em 21/11/2020 às 11:00 AM

    The Physics Graduate Program invites everyone to:

    Defence of M.Sc. dissertation

    William Renan Basso Bassoli

    PRODUCTION AND PROCESSING OF Fe(1+x)Ni(1-x) NANOSTRUCTURED ALLOYS

    Defense Commitee

    Prof. Dr. Valderes Drago – (president) – UFSC/FSC
    Prof. Dr. Aloisio Nelmo Klein – (external member) – UFSC/EMC
    Profª. Drª. Cristiani Campos Plá Cid – (local member) – UFSC/FSC
    Profª. Drª. Deise Schafer – (local member) – UFSC/FSC

    Date: November 27, 2020 – friday – Time: 9:00 am 

    virtual room access link: https://conferenciaweb.rnp.br/webconf/ppgfsc-ufsc


  • Seminar with professor PhD. Lee Rozema – November 13, 2020 (friday) – 10:15 a.m.

    Publicado em 09/11/2020 às 01:17 PM

    THE PHYSICS GRADUATE PROGRAM invites everyone to the seminar:

    Quantum Information using Nonlinear Graphene Plasmonics

    Prof. Dr. Lee Rozema

    Universidade de Viena

    Abstract:

    Although linear optical quantum technologies are one of the more promising routes to achieve feasible quantum technologies, in part due to the robustness and mobility of single photons, the creation of a two-qubit logic gate remains a challenge. In this talk, I will review our theoretical proposal to implement a universal quantum Zeno “square-root-of-swap” gate by encoding qubits in graphene surface plasmons. This gate does not require any cryogenic or vacuum technology, and has a footprint of a few hundred nanometers, suggesting that graphene plasmonics offers a new route towards scalable quantum technologies. I will first focus on the physics behind the Zeno gate, and then introduce the promising platform of nonlinear graphene plasmonics, showing how it could be used for quantum computing. Finally, I will present our recent experimental work demonstrating plasmon-mediated optical nonlinearities: a first step towards our long-term goal of single-photon level nonlinearities.

    Date: November 13, 2020 – (friday) – Time: 10:15 a.m.

    link to access the youtube channel: https://youtu.be/bhDnyO2verc


  • Seminar with professor PhD. Denise R. Gonçalves – November 6, 2020 (friday) – 10:15 a.m.

    Publicado em 04/11/2020 às 09:49 AM

    THE PHYSICS GRADUATE PROGRAM invites everyone to the seminar:

    RAMSES II – RAMan Search for Extragalactic Symbiotic Stars

    PhD. Denise R. Gonçalves

    Observatório do Valongo – UFRJ (Brazil)

    Abstract:

    Abstract: Symbiotics are binary systems of evolved stars that show the most energetic stellar explosions after supernovae. Constituting probable channels to Type Ia SNe, they are important to understand the relation between the SN rate in a galaxy and the number of symbiotic systems at present-time. Therefore, it is very relevant to make a census of symbiotic systems in nearby galaxies. Such a census was never carried out in dwarf galaxies. In the Galaxy many symbiotic systems possess the O VI Raman scattering line at 6830A. This line allowed the discovery of a few extragalactic symbiotic systems recently, in NGC 6822, NGC 185 and NGC 205, among others. Our ongoing RAMSES II project is aimed at searching for symbiotics in the nearby dwarf galaxies, via deep narrow-band imaging that allows to detect the O VI Raman scattered feature. This detection per se implies the existence of symbiotic systems. As a follow up of this first step, we will use optical plus IR spectroscopy to completely characterize the systems, in order to better link them with the scenario of SNe Ia progenitors. In this talk I will describe the RAMSES II project and discuss its first results.

    Date: November 6, 2020 – (friday) –  Time: 10:15 a.m.

    link to access the youtube channel: https://youtu.be/2g7k2Tmgf9o


  • Defence of M.Sc. dissertation of Katia Slodkowski Clerici – November 5, 2020 – 10:00 am

    Publicado em 02/11/2020 às 10:10 AM

    The Physics Graduate Program invites everyone to:

    Defence of M.Sc. dissertation

    Katia Slodkowski Clerici

    MEASURES OF CHEMICAL ABUNDANCES FROM STACKED SPECTRA OF GALAXIES

    Defense Commitee

    Profª. Drª. Natalia Vale Asari – (president) – UFSC/FSC
    Prof. Dr. Tiago Vecchi Ricci – (external member) – UFFS/Cerro Largo
    Prof. Dr. Daniel Ruschel Dutra – (local member) – UFSC/FSC

    Date: November 5, 2020 – thursday – Time: 10:00 am 

    virtual room access link: https://conferenciaweb.rnp.br/webconf/ppgfsc-ufsc


  • Seminar with professor Prof. Dr. Rafael Chaves – October 30, 2020 (friday) – 10:15 a.m.

    Publicado em 26/10/2020 às 02:10 PM

    THE PHYSICS GRADUATE PROGRAM invites everyone to the seminar:

    Detectando não-classicalidade com modelos causais

    Prof. Dr. Rafael Chaves
    IIP/UFRN

    Abstract:

    Apesar de seu sucesso inabalável, é comum escutarmos que a teoria quântica é estranha, contraintuitiva e até mesmo paradoxal. Roger Penrose, o mais recente ganhador do prêmio Nobel de Física, disse certa vez: “A mecânica quântica não faz o menor sentido”. De fato, conceitos como dualidade onda-partícula, emaranhamento e não-localidade quântica, parecem estar em claro desacordo com nossa intuição. Seria possível definir matematicamente essa contraintuição/não-classicalidade? Neste seminário discutiremos como a teoria da causalidade nos oferece um arcabouço especialmente adequado para responder em afirmativo a esta pergunta. Aplicaremos este formalismo em exemplos paradigmáticos, tal como o experimento de fenda dupla e o experimento de Bell, com resultados surpreendentes. Ao final, exploraremos mais a fundo a relação entre causa e efeito e correlações quânticas em um teste de importância fundamental no campo da inferência causal.

    Date: October 30, 2020 – (friday) – Time: 10:15 a.m.

    link to access the youtube channel: https://youtu.be/sSV64V7BsXA


  • Qualifying Examination for Doctoral Thesis of Marcos Vinicios Barp – October 30, 2020 – friday – 3:00 pm

    Publicado em 25/10/2020 às 10:32 AM

    The Physics Graduate Program invites everyone to:

    Qualifying Examination for Doctoral Thesis

    Marcos Vinicios Barp

    ESPALHAMENTO DE PÓSITRONS POR SISTEMAS DE CAMADA ABERTA

    Defense Committee:

    Prof. Dr. Felipe Arretche – (president) – UFSC/FSC
    Prof. Dr. Pawel Klimas – (local member) – UFSC/FSC
    Prof. Dr. Ivan Helmuth Bechtold – (local member) – UFSC/FSC
    Prof. Dr. Lucio Sartori Farenzena – (local member) – UFSC/FSC

    Date: October 30, 2020 – friday – Time: 3:00 pm – Place: ConferênciaWeb da Rede Nacional de Pesquisa

    link to access virtual room: https://conferenciaweb.rnp.br/webconf/ppgfsc-ufsc


  • Defence of M.Sc. dissertation of Haimon Otto Melchiors Trebien – October 29, 2020 – 4:00 pm

    Publicado em 23/10/2020 às 09:37 AM

    The Physics Graduate Program invites everyone to:

    Defence of M.Sc. dissertation

    Haimon Otto Melchiors Trebien

    EXCLUSIVE PHOTOPRODUCTION OF HEAVY QUARKONIA IN ULTRAPERIPHAL COLLISIONS

    Defense Commitee

    Prof. Dr. Emmanuel Gräve de Oliveira – (president) – UFSC/FSC
    Profª. Drª. Maria Beatriz de Leone Gay Ducati – (external member) – IF/UFRGS
    Prof. Dr. Daniel Almeida Fagundes – (local member) – UFSC/Blumenau
    Prof. Dr. Marcus Emmanuel Benghi Pinto – (miembro titular) – UFSC/FSC

    Date: October 29, 2020 – thursday – Time: 4:00 pm – Place: sala virtual da conferênciaweb da rede nacional de pesquisa

    virtual room access link: https://conferenciaweb.rnp.br/webconf/ppgfsc-ufsc


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