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Physical Review. A; v. 5(6); p. 2686-2687
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Lee, S C; Tsang, K F, E-mail: 50001281@student.cityu.edu.hk2009
AbstractAbstract
[en] A nanoscale analysis of MOSFET switching loss is presented. A new analytical method based on drift diffusive and quantum transport principles with a non-equilibrium Green's function method is proposed. For the first time, the switching energy in a MOSFET is expressed as a function of the dc bias, operating frequency, dimensions, doping concentration and contact materials. The results provide a remarkable insight into the choice of geometries and materials for transistor designers
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Source
S0268-1242(09)12321-0; Available from http://dx.doi.org/10.1088/0268-1242/24/11/115015; Country of input: International Atomic Energy Agency (IAEA)
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Ariunbold, G.; Perina, J.; Gantsog, Ts.
Complex Grant and Research Project CEZ of the Czech Ministry of Education and of Czech Grant Agency (Czech Republic)2000
Complex Grant and Research Project CEZ of the Czech Ministry of Education and of Czech Grant Agency (Czech Republic)2000
AbstractAbstract
[en] An average Hamiltonian, which contains pair - atomic effects, is used to develop a theory of the Micromaser. A modified master equation is derived and both a steady - state and a time - dependent solutions are found showing that the trapping conditions are disturbed by influence of two-atomic events. An approximate as well as an exact spectrum are calculated and narrowing of linewidth is demonstrated within the framework of presented theory. (Authors)
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7. Central-European Workshop on Quantum Optics; Balatonfuered (Hungary); 28 Apr - 1 May 2000; NO. VS96028; NO. J14/98; NO. 202/00/0142; 21 refs., 5 figs.
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[en] General inequalities for quadratic forms with coefficients depending on the values of Green's and Robin functions are obtained. These inequalities cover also the reduced moduli of strips and half-strips. Some applications of the results obtained to extremal partitioning problems and related questions of geometric function theory are discussed. Bibliography: 29 titles.
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Available from http://dx.doi.org/10.1070/SM2009v200n10ABEH004044; Country of input: International Atomic Energy Agency (IAEA)
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Sbornik. Mathematics; ISSN 1064-5616;
; v. 200(10); p. 1439-1452

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[en] In the present paper we give approximative expressions of the generalized density matrix of Bloch, which can be calculated exactly for the case of free electrons in a uniform magnetic field, while for the case of lattice electrons it can be expressed by the help of the Wannier functions. For the case of high temperatures the generalized density matrix coincides to the Green-function
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7 refs.
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Journal Article
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Fizika (Zagreb); ISSN 0015-3206;
; v. 9(1); p. 31-36

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Cunha Lima, J.C. da; Guimaraes, P.S.; Silva, A.F. da; Senna, J.R.
Proceedings of the Latin American Symposium on Physics of Amorphous Systems. v. 21984
Proceedings of the Latin American Symposium on Physics of Amorphous Systems. v. 21984
AbstractAbstract
[en] We obtain the density of states for electrons at the inversion layer of a MOS structure due to Na+ impurities located in the oxide. The impurity potential is assumed unscreened. We take account of disorder to obtain the configurational averaged Green's function starting from a tight binding Hamiltonian. (author)
[pt]
Obtem-se a densidade de estados eletronica na camada de inversao de uma estrutura MOS devido a impurezas de Na+ localizadas no oxido. O potencial de impureza e assumido unscreened (nao protegido). Leva-se em consideracao a desordem para se obter a funcao de Green configuracional media partindo da hamiltomiana light binding. (AcAs)Source
Anda, E.V. (Universidade Federal Fluminense, Niteroi, RJ (Brazil)); Centro Latino Americano de Fisica (CLAF), Rio de Janeiro, RJ (Brazil); 266 p; 1984; p. 334-337; Latin American Symposium on Physics of Amorphous Systems; Niteroi, RJ (Brazil); 27 Feb - 2 Mar 1984
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AbstractAbstract
[en] Green functions of on mass shell transverse gauge fields in a background gauge are proved to be obtained from Green functions in the perturbative vacuum by a mere translation
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May 1979; 7 p
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Report
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[en] A certain Dirichlet problem for inhomogeneous poly-harmonic equation is explicitly in the sphere. (author)
Original Title
O predstavlenii funktsii Grina zadachi Dirikhle dlya poligarmonicheskogo uravneniya
Source
4 refs.; Renamed: Former journal title - Doklady Ministerstva Nauki i Vysshego Obrazovaniya, Nathional'noj Akademii Nauk Respubliki Kazakhstan - ISSN 1026-0366
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Journal Article
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Doklady Natsional'noj Akademii Nauk Respubliki Kazakhstan; ISSN 1682-4296;
; v. 5(6); p. 9-12

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AbstractAbstract
[en] We study the dynamical equation of the time-ordered Green’s function at finite temperature. We show that the time-ordered Green’s function obeys a conventional Dyson equation only at equilibrium and in the limit of zero temperature. In all other cases, i.e. finite temperature at equilibrium or non-equilibrium, the time-ordered Green’s function obeys instead a modified Dyson equation. The derivation of this result is obtained from the general formalism of the non-equilibrium Green’s functions on the Keldysh time-loop contour. At equilibrium, our result is fully consistent with the Matsubara temperature Green’s function formalism and also justifies rigorously the correction terms introduced in an ad hoc way with Hedin and Lundqvist. Our results show that one should use the appropriate dynamical equation for the time-ordered Green’s function when working beyond the equilibrium zero-temperature limit.
Source
Available from http://dx.doi.org/10.1088/0953-8984/24/50/505601; Country of input: International Atomic Energy Agency (IAEA)
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Freitas, S.R. de; Melo, C.P. de
Sociedade Brasileira de Fisica, Rio de Janeiro, RJ (Brazil)1990
Sociedade Brasileira de Fisica, Rio de Janeiro, RJ (Brazil)1990
AbstractAbstract
[en] Published in summary form only
Original Title
Interacao entre adsorbatos em cadeias unidimensionais
Source
1990; 1 p; 13. National Meeting on Condensed Matter Physics; Caxambu, MG (Brazil); 8-12 May 1990; Available from the Library of the Comissao Nacional de Energia Nuclear, RJ, Brazil
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