Now showing items 5466-5485 of 22278

    • Dynamical quantum phase transitions in non-Hermitian lattices 

      Zhou, Longwen; Wang, Qing-hai; Wang, Hailong; Gong, Jiangbin (2018)
      In closed quantum systems, a dynamical phase transition is identified by nonanalytic behaviors of the return probability as a function of time. In this work, we study the nonunitary dynamics following quenches across ...
    • Dynamical systems : a tool for analysis and design of silicon half center oscillators 

      Li, Fei; Basu, Arindam; Chang, Chip Hong; Cohen, Avis H. (2011)
      In this paper, a new oscillator circuit for central pattern generator systems has been proposed. Switched-capacitor technique which enables controllable, more accurate and stable resistance has been used. Oscillation ...
    • Dynamical systems guided design and analysis of silicon oscillators for central pattern generators 

      Li, Fei; Basu, Arindam; Chang, Chip Hong; Cohen, Avis H. (2012)
      In this paper, a dynamical systems (DS) approach is proposed for the analysis and design of bio-inspired silicon central pattern generator (CPG) systems. Based on this approach, a new leaky-integrate-and-leaky-discharge ...
    • Dynamically generated commitment protocols in open systems 

      Günay, Akın; Winikoff, Michael; Yolum, Pınar (2014)
      Agent interaction is a fundamental part of any multiagent system. Such interactions are usually regulated by protocols, which are typically defined at design-time. However, in many situations a protocol may not exist or ...
    • Dynamically-driven enhancement of the catalytic machinery of the SARS 3C-like protease by the S284-T285-I286/A mutations on the extra domain 

      Lim, Liangzhong; Shi, Jiahai; Mu, Yuguang; Song, Jianxing (2014)
      Previously we revealed that the extra domain of SARS 3CLpro mediated the catalysis via different mechanisms. While the R298A mutation completely abolished the dimerization, thus resulting in the inactive catalytic machinery, ...
    • Dynamics and stability of polymorphic human telomeric G-quadruplex under tension 

      You, Huijuan; Zeng, Xiangjun; Xu, Yue; Lim, Ci Ji; Efremov, Artem K.; Phan, Anh Tuân; Yan, Jie (2014)
      As critical DNA structures capping the human chromosome ends, the stability and structural polymorphism of human telomeric G-quadruplex (G4) have drawn increasing attention in recent years. This work characterizes the ...
    • Dynamics of a Holstein polaron with off-diagonal coupling 

      Zhao, Yang; Luo, Bin; Zhang, Yuyu; Ye, Jun (2012)
      Dynamics of a one-dimensional Holstein polaron with off-diagonal exciton-phonon coupling is studied by employing the Dirac-Frenkel time-dependent variational principle. The trial state used is the Davydov D2 Ansatz with ...
    • Dynamics of a one-dimensional Holstein polaron with Davydov Ansatze 

      Zhao, Yang; Sun, Jin; Luo, Bin (2010)
      Following the Dirac-Frenkel time-dependent variational principle, dynamics of a one-dimensional Holstein polaron is probed by employing the Davydov D2 Ansatz with two sets of variational parameters, one for each constituting ...
    • Dynamics of a polariton condensate transistor switch 

      Antón, C.; Liew, Timothy Chi Hin; Tosi, G.; Martín, M. D.; Gao, T.; Hatzopoulos, Z.; Eldridge, P. S.; Savvidis, P. G.; Viña, L. (2012)
      We present a time-resolved study of the logical operation of a polariton condensate transistor switch. Creating a polariton condensate (source) in a GaAs ridge-shaped microcavity with a non-resonant pulsed laser beam, the ...
    • Dynamics of a two-level system under the simultaneous influence of a spin bath and a boson bath 

      Wu, Ning; Zhao, Yang (2013)
      We study dynamics of a two-level system coupled simultaneously to a pair of dissimilar reservoirs, namely, a spin bath and a boson bath, which are connected via finite interbath coupling. It is found that the steady-state ...
    • Dynamics of actin waves on patterned substrates : a quantitative analysis of circular dorsal ruffles 

      Bernitt, Erik; Koh, Cheng Gee; Gov, Nir; Döbereiner, Hans-Günther (2015)
      Circular Dorsal Ruffles (CDRs) have been known for decades, but the mechanism that organizes these actin waves remains unclear. In this article we systematically analyze the dynamics of CDRs on fibroblasts with respect to ...
    • Dynamics of Bcl-xL in water and membrane : molecular simulations 

      Maity, Atanu.; Yadav, Seema.; Verma, Chandra S.; Dastidar, Shubhra Ghosh. (2013)
      The Bcl2 family of proteins is capable of switching the apoptotic machinery by directly controlling the release of apoptotic factors from the mitochondrial outer membrane. They have ‘pro’ and ‘anti’-apoptotic subgroups of ...
    • Dynamics of binary mixtures in inhomogeneous temperature 

      Giuseppe, Gonnella; Antonio, Lamura; Antonio, Piscitelli (2008)
      A dynamical description for fluid binary mixtures with variable temperature and concentration gradient contributions to entropy and internal energy is given. By using mass, momentum and energy balance equations together ...
    • Dynamics of competing ideas in complex social systems 

      Wang, Yubo; Xiao, Gaoxi; Liu, Jian (2012)
      Individuals accepting an idea may intentionally or unintentionally impose influences in a certain neighborhood area, making it less likely or even impossible for other individuals within the area to accept competing ideas. ...
    • Dynamics of dissipative Landau-Zener transitions 

      Huang, Zhongkai; Zhao, Yang (2018)
      A nonperturbative treatment, the Dirac-Frenkel time-dependent variation is employed to examine dynamics of the Landau-Zener model with both diagonal and off-diagonal qubit-bath coupling using the multiple Davydov trial ...
    • The dynamics of global oil prices 

      Chew, Alvin (2008)
      Oil prices have declined in recent months in tandem with the slowdown in the global economy. Its significant tumble by more than 50 percent in a short span of three months has nonetheless triggered analysts to wonder if ...
    • Dynamics of laminar circular jet impingement upon convex cylinders 

      New, Daniel Tze How; Long, J. (2015)
      Flow dynamics associated with a laminar circular jet impinging upon a convex cylinder has been investigated by laser-induced fluorescence and digital particle-image velocimetry techniques. Cylinder-to-jet diameter ratios ...
    • Dynamics of liquid films on vertical fibres in a radial electric field 

      Ding, Zijing; Xie, Jinlong; Wong, Teck Neng; Liu, Rong (2014)
      The long-wave behaviour of perfectly conducting liquid films flowing down a vertical fibre in a radial electric field was investigated by an asymptotic model. The validity of the asymptotic model was verified by the fully ...
    • The dynamics of nickelidation for self-aligned contacts to InGaAs channels 

      Chen, Renjie; Dai, Xing; Jungjohann, Katherine L.; Mook, William Moyer; Nogan, John; Soci, Cesare; Dayeh, Shadi (2017)
      The rapid development of ultrascaled III−V compound-semiconductor devices requires the detailed investigation of metal-semiconductor contacts at the nanoscale where crystal orientation, size, and structural phase play ...
    • Dynamics of the Davydov D-squared Ansatz with off-diagonal coupling 

      Zhao, Yang; Luo, Bin; Ye, Jun (2010)
      Following the Dirac-Frenkel time-dependent variational principle, dynamics of a one-dimensional Holstein polaron with off-diagonal exciton-phonon coupling is probed by employing the Davy dov D2 Ansatz with two sets of ...