INSULATOR

作品数：384被引量：419H指数：9
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Topological and dynamical phase transitions in the Su–Schrieffer–Heeger model with quasiperiodic and long-range hoppings
《Communications in Theoretical Physics》2022年第7期146-153,共8页Wei-Jie Zhang Yi-Piao Wu Ling-Zhi Tang Guo-Qing Zhang 
supported by the National Natural Science Foundation of China(Grant No.12104166);the Key-Area Research and Development Program of Guangdong Province(Grant No.2019B030330001);the Science and Technology of Guangzhou(Grant No.2019050001);the Guangdong Basic and Applied Basic Research Foundation(Grant No.2020A1515110290)。
Disorders and long-range hoppings can induce exotic phenomena in condensed matter and artificial systems.We study the topological and dynamical properties of the quasiperiodic SuSchrier-Heeger model with long-range ho...
关键词：topological Anderson insulator higher winding number Kibble-Zurek machanic 
A gauge theory for two-band model of Chern insulators and induced topological defects被引量：1
《Communications in Theoretical Physics》2022年第1期124-133,共10页Zhi-Wen Chang Wei-Chang Hao Xin Liu 
The authors XL and ZC acknowledge the financial support from the Natural Science Foundation of Beijing Grant No.Z180007;the National Science Foundation of China Grant No.11572005;WH acknowledges the support from the National Science Foundation of China Grant No.11874003 and Grant No.51672018.
In this paper a gauge theory is proposed for the two-band model of Chern insulators.Based on the so-calle't Hooft monopole model,a U(1)Maxwell electromagnetic sub-field is constructed from an SU(2)gauge field,from whi...
关键词：Chern insulator Chern number MONOPOLE meron 
Analysis, design and simulation of MIM plasmonic filters with different geometries for technical parameters improvement
《Communications in Theoretical Physics》2020年第8期134-147,共14页Sara Gholinezhad Shafagh Hassan Kaatuzian Mohammad Danaie 
In this paper, four optical filter topologies based on metal–insulator–metal waveguides are proposed and the designed structures are investigated numerically using finite-difference timedomain method. Triangular-sha...
关键词：PLASMONICS surface plasmon polariton(SPP) optical filter metal–insulator–metal(MIM)waveguide Drude model 
Holographic Insulator/Superconductor Phase Transition in Born–Infeld Electrodynamics
《Communications in Theoretical Physics》2013年第11期571-576,共6页奇官布 白楠 徐孝宝 高怡泓 
We study holographic insulator/superconductor phase transition in the framework of Born-Infeld electrodynamics both numerically and analytically. First we numerically study the effects of the Born-Infeld electrodynami...
关键词：gauge string duality theory of High-To superconductors 
Tunneling Conductance in Quantum-Wire/Ferromagnetic-Insulator/d-Wave Superconductor Junction
《Communications in Theoretical Physics》2008年第5期1345-1348,共4页LI Xiao-Wei 
The project supported by the Natural Science Foundation of the Education Committee of Jiangsu Province of China under Grant No.06KJB140009
We have studied the quasiparticle transport in quantum-wire /ferromagnetic-insulator/d wave super- conductor Junction （q/FI/d） in the framework of the Blonder-Tinkham-Klapwijk model. We calculate the tunneling condu...
关键词：quantum wire ferromagnetic insulator d-wave superconductor tunneling conductance 
dc Josephson Effect in s-Wave Superconductor/Ferromagnet Insulator/p-Wave Superconductor Junctions
《Communications in Theoretical Physics》2007年第4期737-740,共4页LI Xiao-Wei 
The project supported by the Natural Science Foundation of the Education Commission 0f Jiangsu Province of China under Grant No. 06KJB140009
The Josephson currents in s-wave superconductor/ferromagnet insulator/p-wave superconductor（s/FI/p） junctions are calculated as a function of temperature and the phase taking into account the roughness scattering ef...
关键词：ferromagnet insulator p-wave superconductor dc Josephson current 
Josephson Current in Superconductor-Ferromagnet／Insulator／d-Wave Superconductor Junctions
《Communications in Theoretical Physics》2005年第3期551-555,共5页LIXiao-Wei DONGZheng-Chao 
Solving the Bogoliubov-de Gennes equation, the energy levels of bound statesare obtained in the ferromagnetic superconductor. The Josephson currents in a ferromagneticsuperconductor/Insulator/d-wave superconductor jun...
关键词：ferromagnetic superconductor d-wave superconductor FS/I/d junctionJosephson current 
Tunneling Conductance in Normal Metal/Insulator/Triplet Superconductor Junction被引量：3
《Communications in Theoretical Physics》2005年第2X期381-384,共4页LI Xiao-Wei 
Tunneling conductance in normal metal/insulator/triplet superconductor junctions is studied theoretically as a function of the bias voltage at zero temperature and finite temperature. The results show there are zero-b...
关键词：triplet superconductor P-WAVE tunneling conductance 
Exact Numerical Solutions of Bose-Hubbard Model
《Communications in Theoretical Physics》2004年第2期183-188,共6页ZHANGDan PANFeng 
The project supported by National Natural Science Foundation of China under Grant No.10175031;;the Natural Science Foundation of Liaoning Province of China under Grant No.2001101053
Hamiltonian of a one-dimensional Bose–Hubbard model is re-formulated by using differential realization of the boson algebra. Energy matrices can then be generated systematically by using a Mathematica package. The ou...
关键词：INSULATOR SUPERFLUID phase transition phase diagram 
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