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Browsing MIT Open Access Articles by Title

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  • Temnov, Vasily V.; Klieber, Christoph; Thomay, Tim; Knittel, Vanessa; Leitenstorfer, Alfred; Makarov, Denys; Albrecht, Manfred; Bratschitsch, Rudolf; Nelson, Keith Adam (Nature Publishing Group, 2013-02)
    Fundamental interactions induced by lattice vibrations on ultrafast time scales have become increasingly important for modern nanoscience and technology. Experimental access to the physical properties of acoustic phonons ...
  • Byun, Hyunil; Sickler, Jason; Morse, Jonathan Lee; Chen, Jeff; Pudo, Dominik; Ippen, Erich P.; Kaertner, Franz X. (Springer Berlin/Heidelberg, 2010-03)
    We demonstrate a soliton fiber laser with 280-fs pulses at 408-MHz repetition rate, and a stretched-pulse regime fiber laser with 102-fs pulses at 234-MHz repetition rate. Both use saturable Bragg reflectors for mode-locking ...
  • Temnov, Vasily V.; Nelson, Keith Adam; Armelles, Gaspar; Cebollada, Alfonso; Thomay, Tim; Leitenstorfer, Alfred; Bratschitsch, Rudolf (Optical Society of America, 2009-05)
    We demonstrate femtosecond plasmonic interferometry with a novel geometry. The plasmonic microinterferometer consists of a tilted slit-groove pair. This arrangement allows for (i) interferometric measurements at a single ...
  • Temnov, Vasily V.; Nelson, Keith Adam; Armelles, Gaspar; Cebollada, Alfonso; Thomay, Tim; Leitenstorfer, Alfred; Bratschitsch, Rudolf (Institute of Electrical and Electronics Engineers, 2009-06)
    We measure the ultrafast electron dynamics in gold via ultrafast surface plasmon interferometry. A new plasmonic microinterferometer with tilted slit-groove pair is used to unambiguously determine changes of real and ...
  • Mou, Guobin; Yuan, Feng; Bu, Defu; Sun, Mouyuan; Su, Meng (Institute of Physics/American Astronomical Society, 2014-08)
    A pair of giant gamma-ray Bubbles has been revealed by Fermi-LAT. In this paper we investigate their formation mechanism. Observations have indicated that the activity of the supermassive black hole located at the Galactic ...
  • Hasdeo, Eddwi H.; Nugraha, Ahmad R. T.; Dresselhaus, Mildred; Saito, Riichiro (American Physical Society, 2016-08)
    Intensities of the first- and the second-order Raman spectra are calculated as a function of the Fermi energy. We show that the Kohn anomaly effect, i.e., phonon frequency renormalization, in the first-order Raman spectra ...
  • Park, J. S.; Sasaki, K.; Saito, R.; Izumida, W.; Kalbac, Martin; Farhat, Hootan; Dresselhaus, Gene F.; Dresselhaus, Mildred (American Physical Society, 2009-08)
    The Fermi energy dependence of the G-band resonance Raman spectra of single-wall carbon nanotubes (SWNTs) is calculated, including the Kohn anomaly effect for metallic tubes. The gate voltage dependence of the G-band Raman ...
  • Vieira, Bruno G. M.; Barros, Eduardo B.; Vercosa, Daniel G.; Samsonidze, Georgy; Souza Filho, Antonio; Dresselhaus, Mildred (American Physical Society, 2014-07)
    In this work, we use an extended tight-binding approach for calculating the Fermi-energy dependence of the structural deformation of chiral single-wall carbon nanotubes (SWNTs). We show that, in general, nanotube strains ...
  • Connaughton, V.; Burns, E.; Goldstein, A.; Briggs, M. S.; Zhang, B.-B.; Camp, J.; Christensen, N.; Hui, C. M.; Jenke, P.; Littenberg, T.; McEnery, J. E.; Racusin, J.; Shawhan, P.; Singer, L.; Veitch, J.; Wilson-Hodge, C. A.; Bhat, P. N.; Bissaldi, E.; Cleveland, W.; Fitzpatrick, G.; Giles, M. M.; Gibby, M. H.; von Kienlin, A.; Kippen, R. M.; McBreen, S.; Mailyan, B.; Meegan, C. A.; Paciesas, W. S.; Preece, R. D.; Roberts, O. J.; Sparke, L.; Stanbro, M.; Toelge, K.; Veres, P.; Blackburn, Lindy L (IOP Publishing, 2016-07)
  • Jenke, P. A.; Wilson-Hodge, C. A.; Veres, P.; Briggs, M. S.; Burns, E.; Connaughton, V.; Finger, M. H.; Hui, M.; Homan, Jeroen (Institute of Physics Publishing (IOP), 2016-07)
    V404 Cygni was discovered in 1989 by the Ginga X-ray satellite during its only previously observed X-ray outburst and soon after confirmed as a black hole binary. On 2015 June 15, the Gamma-ray Burst Monitor (GBM) triggered ...
  • Connaughton, V.; Jenke, P.; van der Horst, A. J.; Camero-Arranz, A.; Kouveliotou, C.; Beklen, E.; Bhat, P. N.; Briggs, Michael S.; Finger, M.; Paciesas, W. S.; Preece, R.; von Kienlin, A.; Wilson-Hodge, C. A.; Linares, Manuel Alegret; Chakrabarty, Deepto (IOP Publishing, 2012-11)
    Thermonuclear bursts from slowly accreting neutron stars (NSs) have proven difficult to detect, yet they are potential probes of the thermal properties of the NS interior. During the first year of a systematic all-sky ...
  • Castro, Daniel; Slane, Patrick; Ellison, Donald C.; Patnaude, Daniel J. (IOP Publishing, 2012-08)
    CTB 109 (G109.1-1.0) is a Galactic supernova remnant (SNR) with a hemispherical shell morphology in X-rays and in the radio band. In this work, we report the detection of γ-ray emission coincident with CTB 109, using 37 ...
  • Joubert, Timothy; Castro, Daniel; Slane, Patrick; Gelfand, Joseph (IOP Publishing, 2016-01)
    This work reports on the detection of γ-ray emission coincident with the supernova remnant (SNR) G5.7–0.1 using data collected by the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. The SNR is believed ...
  • Castro, Daniel; Slane, Patrick; Carlton, Ashley; Figueroa-Feliciano, Enectali (IOP Publishing, 2013-08)
    We report the detection of γ-ray emission coincident with three supernova remnants (SNRs) using data from the Large Area Telescope on board the Fermi Gamma-ray Space Telescope. W41, G337.7-0.1, and MSH 17-39 are SNRs known ...
  • Auchettl, Katie; Slane, Patrick; Castro, Daniel (IOP Publishing, 2014-02)
    In this paper, we report on the detection of γ-ray emission coincident with the Galactic supernova remnant (SNR) Kesteven 79 (Kes 79). We analyzed approximately 52 months of data obtained with the Large Area Telescope on ...
  • Chiu, Yu-Ju; Chen, Xie; Chuang, Isaac L. (American Physical Society, 2013-01)
    Fermions, as a major class of quantum particles, provide platforms for quantum information processing beyond the possibilities of spins or bosons, which have been studied more extensively. One particularly interesting model ...
  • Shankar, R.; Senthil, Todadri (American Physical Society, 2009-01)
    The energy of a d-dimensional Fermi system typically varies only along d[subscript c]=1 (“radial”) dimensions. We consider d[subscript c]=1+ε and study a transition to superconductivity in an ε expansion. The nontrivial ...
  • Li, Bin; Prakash, Divya; Ferry, James G.; Elliott, Sean J.; Wei, Yifeng; Stubbe, JoAnne (American Chemical Society (ACS), 2015-12)
    Two subtypes of class III anaerobic ribonucleotide reductases (RNRs) studied so far couple the reduction of ribonucleotides to the oxidation of formate, or the oxidation of NADPH via thioredoxin and thioredoxin reductase. ...
  • Li, Ju; Li, Wenbin (Nature Publishing Group, 2016-02)
    Monolayers of transition metal dichalcogenides can exist in several structural polymorphs, including 2H, 1T and 1T′. The low-symmetry 1T′ phase has three orientation variants, resulting from the three equivalent directions ...
  • Jin, Dafei; Kumar, Anshuman; Hung Fung, Kin; Xu, Jun; Fang, Nicholas Xuanlai (American Institute of Physics (AIP), 2013-05)
    Inspired by recent advancement of ferroelectric-gated memories and transistors, we propose a design of ferroelectric-gated nanoplasmonic devices based on graphene sheets clamped in ferroelectric crystals. We show that the ...
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