341 research outputs found
Entropy function spaces and interpolation
We associate to every function space, and to every entropy function E, a scale of spaces Λp,q (E) similar to the classical Lorentz spaces Lp,q. Necessary and sufficient conditions for they to be normed spaces are proved, their role in real interpolation theory is analyzed, and a number of applications to functional and interpolation properties of several variants of Lorentz spaces and entropy spaces are given
D-band (110-170 GHz) InP gunn devices
This paper reports on the development of InP Gunn sources for operation in the D-band (110-170 GHz). n+-n-n+ structures with flat doping as well as graded doping profiles have been considered. Oscillations were obtained at 108.3 GHz from a 1 [mu]m structure with a uniform n doping of 2.5 x 1016 cm-3. The CW RF output power was 33 mW. A 1 [mu]m graded structure with an n doping increasing linearly from 7.5 x 1015 to 2.0 x 1016 cm-3 has resulted in 20 mW at 120 GHz and 10 mW at 136 GHz. These results are believed to correspond to a fundamental mode operation and represent the state-of-the-art performance from InP Gunn devices at these frequencies. This improvement in performance is attributed in part to a processing technique based on the use of etch-stop layers and InGaAs cap layers. An etch-stop layer allows low-profile mesas (2-3 [mu]m) and InGaAs cap layers help reduce the contact resistance, thus minimizing series resistances in the device. In addition, a physical model based on the Monte Carlo method was developed to aid in the design of structures for high frequency operation. Experimental results obtained from a 1.7 [mu]m Gunn device operating at W-band frequencies were used to estimate appropriate InP material parameters.Peer Reviewedhttp://deepblue.lib.umich.edu/bitstream/2027.42/30504/1/0000133.pd
The structure of dichlorobis[μ-(3-dimethylamino-1-propanethiolato)-μ-S,N]-dipalladium(II), (I) [Pd2(C5H12NS)2Cl2], and ac,bd,eg, fh-tetrakis[μ-(3-piperidinemethanethiolato)-μ-S,N]-tripalladium(II) dichloride dihydrate, (II) [Pd3(C6H12NS)4]Cl2.2H2O
Mr=520.15, monoclinic, P21/n, a=7.207(2), B=20.616(4), c=5.854(1) A, β=96.05(1)º, V=864.9(6)A3, Z=2, Dx=2.00 Mg m-3, Mo Ka, = 0.71069 A, µ=2.553 mm-1, F(000)=512, 298 K, R=0.060 for 1492 reflections. (II): Mr=947.07, triclinic, Pl, a=12.666(7), b=10.595(6), c=6.572(5)A, a=98.30(2), = 97.04(2), = 99.84(2)º, V=850(2)A3, Z=1, Dx=1.85 Mg m-3, Mo Ka, =0.71069 A, µ=1.958 mm-1, F(000)=490, 298 K, R=0.071 for 1879 reflections. (I) was solved by direct methods, using MULTAN and DIRDIF, (II) by the heavy-atom method. The four-membered Pd, S, Pd, S rings have a syn-exo conformation, with dihedral angles between the S, Pd, S planes of 154.4(2) and 133.0(3)º for (I) and (II), respectively
La Real capilla de Santa Agueda del palacio de los reyes de Aragón, en Barcelona : notas histórico-críticas
A la part superior de la port.: Asociación de Arquitectos de CataluñaForma part del projecte: Biblioteca Digital d'Història de l'Art Hispànic (UAB)Localització de l'original: Centre Excursionista de CatalunyaPortada a 2 tintesMonografia de la Reial Capella de Santa Àgueda. Memòria descriptiva histórico artística amb dibuixos de la planta, l'alçat, seccions i detalls del conjunt arquitectònic.Forma part de la col·lecció d'obres editades per la institució professional Asociación de Arquitectos de Cataluña, promotora del patrimoni arquitectònic català, a partir dels estudis realitzats pels propis membres de l'Associació, que després 'verificaven' amb excursions als edificis estudiatsMonografía de la Real Capilla de Santa Àgata. Memoria descriptiva histórico artística con dibujos de la planta, el alzado, secciones y detalles del conjunto arquitectónico.Forma parte de la colección de obras editadas por la institución profesional Asociación de Arquitectos de Cataluña, promotora del patrimonio arquitectónico, a partir de los estudios realizados por los propios miembros de la Asociación, quienes después 'verificaban' con excursiones a los edificios estudiadosMonograph on the Royal Chapel of St. Agatha descriptive historical and artistic memory with drawings of the plant, the elevation, sections and architectural details.Part of the collection of works published by the professional institution Asociación de Arquitectos de Cataluña, promoting the study of architectural heritage, from the studies conducted by the Association members themselves that later 'verified' with excursions to each one of the buildings studie
The Wilson renormalization group for low x physics: towards the high density regime
We continue the study of the effective action for low physics based on a
Wilson renormalization group approach. We express the full nonlinear
renormalization group equation in terms of the average value and the average
fluctuation of extra color charge density generated by integrating out gluons
with intermediate values of . This form clearly exhibits the nature of the
phenomena driving the evolution and should serve as the basis of the analysis
of saturation effects at high gluon density at small .Comment: 14 pages, late
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