Now showing items 202-221 of 1345

    • Discrete Kinetic Models from Funneled Energy Landscape Simulations 

      Schafer, Nicholas P.; Hoffman, Ryan M.B.; Burger, Anat; Craig, Patricio O.; Komives, Elizabeth A. (2012)
      A general method for facilitating the interpretation of computer simulations of protein folding with minimally frustrated energy landscapes is detailed and applied to a designed ankyrin repeat protein (4ANK). In the method, ...
    • Dissipative transport of a Bose-Einstein condensate 

      Dries, D.; Pollack, S.E.; Hitchcock, J.M.; Hulet, R.G. (2010)
      We investigate the effects of impurities, either correlated disorder or a single Gaussian defect, on the collective dipole motion of a Bose-Einstein condensate of Li7 in an optical trap. We find that this motion is damped ...
    • Dissociation of One-Dimensional Matter-Wave Breathers due to Quantum Many-Body Effects 

      Yurovsky, Vladimir A.; Malomed, Boris A.; Hulet, Randall G.; Olshanii, Maxim (2017)
      We use the ab initio Bethe ansatz dynamics to predict the dissociation of one-dimensional cold-atom breathers that are created by a quench from a fundamental soliton. We find that the dissociation is a robust quantum ...
    • Dissociative electron attachment studies with hyperthermal Rydberg atoms 

      Buathong, S.; Dunning, F.B. (2018)
      Earlier studies of the velocity distributions of heavy-Rydberg ion-pair states formed in collisions between potassium Rydberg atoms with low-to-intermediate values of n, 10 ≲ n ≲ 15, and targets that attach free low-energy ...
    • Distinguishing between plasmon-induced and photoexcited carriers in a device geometry 

      Zheng, Bob Y.; Zhao, Hangqi; Manjavacas, Alejandro; McClain, Michael; Nordlander, Peter (2015)
      The use of surface plasmons, charge density oscillations of conduction electrons of metallic nanostructures, to boost the efficiency of light-harvesting devices through increased light-matter interactions could drastically ...
    • Distinguishing mechanisms underlying EMT tristability 

      Jia, Dongya; Jolly, Mohit K; Tripathi, Satyendra C; Den Hollander, Petra; Huang, Bin; Lu, Mingyang; Celiktas, Muge; Ramirez-Peña, Esmeralda; Ben-Jacob, Eshel; Onuchic, José N; Hanash, Samir M; Mani, Sendurai A; Levine, Herbert (2017)
      Abstract Background The Epithelial-Mesenchymal Transition (EMT) endows epithelial-looking cells with enhanced migratory ability during embryonic development and tissue ...
    • Diverse Applications of Nanomedicine 

      Pelaz, Beatriz; Alexiou, Christoph; Alvarez-Puebla, Ramon A.; Alves, Frauke; Andrews, Anne M.; Ashraf, Sumaira; Balogh, Lajos P.; Ballerini, Laura; Bestetti, Alessandra; Brendel, Cornelia; Bosi, Susanna; Carril, Monica; Chan, Warren C.W.; Chen, Chunying; Chen, Xiaodong; Chen, Xiaoyuan; Cheng, Zhen; Cui, Daxiang; Du, Jianzhong; Dullin, Christian; Escudero, Alberto; Feliu, Neus; Gao, Mingyuan; George, Michael; Gogotsi, Yury; Grünweller, Arnold; Gu, Zhongwei; Halas, Naomi J.; Hampp, Norbert; Hartmann, Roland K.; Hersam, Mark C.; Hunziker, Patrick; Jian, Ji; Jiang, Xingyu; Jungebluth, Philipp; Kadhiresan, Pranav; Kataoka, Kazunori; Khademhosseini, Ali; Kopeček, Jindřich; Kotov, Nicholas A.; Krug, Harald F.; Lee, Dong Soo; Lehr, Claus-Michael; Leong, Kam W.; Liang, Xing-Jie; Lim, Mei Ling; Liz-Marzán, Luis M.; Ma, Xiaowei; Macchiarini, Paolo; Meng, Huan; Möhwald, Helmuth; Mulvaney, Paul; Nel, Andre E.; Nie, Shuming; Nordlander, Peter; Okano, Teruo; Oliveira, Jose; Park, Tai Hyun; Penner, Reginald M.; Prato, Maurizio; Puntes, Victor; Rotello, Vincent M.; Samarakoon, Amila; Schaak, Raymond E.; Shen, Youqing; Sjöqvist, Sebastian; Skirtach, Andre G.; Soliman, Mahmoud G.; Stevens, Molly M.; Sung, Hsing-Wen; Tang, Ben Zhong; Tietze, Rainer; Udugama, Buddhisha N.; VanEpps, J. Scott; Weil, Tanja; Weiss, Paul S.; Willner, Itamar; Wu, Yuzhou; Yang, Lily; Yue, Zhao; Zhang, Qian; Zhang, Qiang; Zhang, Xian-En; Zhao, Yuliang; Zhou, Xin; Parak, Wolfgang J. (2017)
      The design and use of materials in the nanoscale size range for addressing medical and health-related issues continues to receive increasing interest. Research in nanomedicine spans a multitude of areas, including drug ...
    • DNA under Force: Mechanics, Electrostatics, and Hydration 

      Li, Jingqiang; Wijeratne, Sithara S.; Qiu, Xiangyun; Kiang, Ching-Hwa (2015)
      Quantifying the basic intra- and inter-molecular forces of DNA has helped us to better understand and further predict the behavior of DNA. Single molecule technique elucidates the mechanics of DNA under applied external ...
    • The Dominant Folding Route Minimizes Backbone Distortion in SH3 

      Lammert, Heiko; Noel, Jeffrey K.; Onuchic, José N. (2012-11-15)
    • The Dominant Folding Route Minimizes Backbone Distortion in SH3 

      Lammert, Heiko; Noel, Jeffrey K.; Onuchic, Jose´ N. (2012)
      Energetic frustration in protein folding is minimized by evolution to create a smooth and robust energy landscape. As a result the geometry of the native structure provides key constraints that shape protein folding ...
    • Doping effects of Cr on the physical properties of BaFe1.9−xNi0.1CrxAs2 

      Gong, Dongliang; Xie, Tao; Zhang, Rui; Birk, Jonas; Niedermayer, Christof; Han, Fei; Lapidus, S.H.; Dai, Pengcheng; Li, Shiliang; Luo, Huiqian (2018)
      We present a systematic study on the heavily Cr doped iron pnictides BaFe1.9−xNi0.1CrxAs2 by using elastic neutron scattering, high-resolution synchrotron x-ray diffraction (XRD), resistivity, and Hall transport measurements. ...
    • Doping evolution of antiferromagnetism and transport properties in nonsuperconducting BaFe2−2xNixCrxAs2 

      Zhang, Rui; Gong, Dongliang; Lu, Xingye; Li, Shiliang; Laver, Mark; Niedermayer, Christof; Danilkin, Sergey; Deng, Guochu; Dai, Pengcheng; Luo, Huiqian (2015)
      We report elastic neutron scattering and transport measurements on the Ni and Cr equivalently doped iron pnictide BaFe2−2xNixCrxAs2. Compared with the electron-doped BaFe2−xNixAs2, the long-range antiferromagnetic (AF) ...
    • Doping evolution of antiferromagnetism and transport properties in nonsuperconducting BaFe2−2xNixCrxAs2 

      Zhang, Rui; Gong, Dongliang; Lu, Xingye; Li, Shiliang; Laver, Mark; Niedermayer, Christof; Danilkin, Sergey; Deng, Guochu; Dai, Pengcheng; Luo, Huiqian (2015)
      We report elastic neutron scattering and transport measurements on the Ni and Cr equivalently doped iron pnictide BaFe2−2xNixCrxAs2. Compared with the electron-doped BaFe2−xNixAs2, the long-range antiferromagnetic (AF) ...
    • Dust modeling of the combined ALMA and SPHERE datasets of HD 163296. Is HD 163296 really a Meeus group II disk? 

      Muro-Arena, G.A.; Dominik, C.; Waters, L.B.F.M.; Min, M.; Klarmann, L.; Ginski, C.; Isella, A.; Benisty, M.; Pohl, A.; Garufi, A.; Hagelberg, J.; Langlois, M.; Menard, F.; Pinte, C.; Sezestre, E.; van der Plas, G.; Villenave, M.; Delboulbé, A.; Magnard, Y.; Möller-Nilsson, O.; Pragt, J.; Rabou, P.; Roelfsema, R. (2018)
      Context. Multiwavelength observations are indispensable in studying disk geometry and dust evolution processes in protoplanetary disks. Aims. We aim to construct a three-dimensional model of HD 163296 that is capable of ...
    • Dye-Assisted Gain of Strongly Confined Surface Plasmon Polaritons in Silver Nanowires 

      Paul, Aniruddha; Zhen, Yu-Rong; Wang, Yi; Chang, Wei-Shun; Xia, Younan; Nordlander, Peter; Link, Stephan (2014)
      Subwavelength confinement and active control of light is essential for nanoscale communication devices at visible frequencies that support large bandwidths.[1-5] Noble-metal nanostructures present an excellent platform for ...
    • Dynamic Spin-Lattice Coupling and Nematic Fluctuations in NaFeAs 

      Li, Yu; Yamani, Zahra; Song, Yu; Wang, Weiyi; Zhang, Chenglin; Tam, David W.; Chen, Tong; Hu, Ding; Xu, Zhuang; Chi, Songxue; Xia, Ke; Zhang, Li; Cui, Shifeng; Guo, Wenan; Fang, Ziming; Liu, Yi; Dai, Pengcheng (2018)
    • Dynamic zero modes of Dirac fermions and competing singlet phases of antiferromagnetic order 

      Goswami, Pallab; Si, Qimiao (2017)
      In quantum spin systems, singlet phases often develop in the vicinity of an antiferromagnetic order. Typical settings for such problems arise when itinerant fermions are also present. In this paper, we develop a theoretical ...
    • Dynamically Manipulating Topological Physics and Edge Modes in a Single Degenerate Optical Cavity 

      Zhou, Xiang-Fa; Luo, Xi-Wang; Wang, Su; Guo, Guang-Can; Zhou, Xingxiang; Pu, Han; Zhou, Zheng-Wei (2017)
      We propose a scheme to simulate topological physics within a single degenerate cavity, whose modes are mapped to lattice sites. A crucial ingredient of the scheme is to construct a sharp boundary so that the open boundary ...
    • Dynamics of heavy-Rydberg ion-pair formation in K(14p,20p)-SF6, CCl4ᅠcollisions 

      Wang, C.H.; Kelley, M.; Buathong, S.; Dunning, F.B. (2014)
      The dynamics of formation of heavy-Rydberg ion-pair states throughᅠelectron transferᅠin K(np)-SF6, CCl4ᅠcollisions is examined byᅠmeasuringᅠtheᅠvelocity,ᅠangular, and bindingᅠenergyᅠdistributions of the product ion pairs. ...