نتایج جستجو برای: fold symmetry index fsi

تعداد نتایج: 615505  

2014
Matthew J. Hollander Himanshu Madan Nikhil Shukla David A. Snyder Joshua A. Robinson Suman Datta

Graphene’s unique symmetry between pand n-branches has enabled several interesting device applications; however, short-channel devices often exhibit degraded symmetry. We examine how graphene nanoribbon geometries can improve transfer characteristics and p–n symmetry, as well as reduce Dirac point shift for highly scaled graphene devices. RF graphene transistors utilizing a multiribbon channel ...

Journal: :IOP Conference Series: Earth and Environmental Science 2021

2005
M. P. Barkley P. S. Monks

Measuring atmospheric CO2 from space using Full Spectral Initiation (FSI) WFM-DOAS M. P. Barkley, U. Frieß, and P. S. Monks EOS, Space Research Centre, Department of Physics & Astronomy, University of Leicester, Leicester, LE1 7RH, UK Department of Chemistry, University of Leicester, Leicester, LE1 7RH, UK now at: Institute of Environmental Physics, Heidelberg, Germany Received: 6 December 2005...

Journal: :Materials today communications 2023

Binary compounds $A$Bi ($A$ = K, Rb, Cs) crystallize in P2$_1$/c structure containing both clockwise and anticlockwise chiral chains of Bi atoms. Electronic band exhibits the insulating nature these systems, with gap about $0.25$ eV. The presented study dynamical properties confirm a stability system symmetry. crystal contains quasi-one-dimensional chains, exhibiting four-fold-like rotational `...

2014
Verena Hauschildt

This paper analyzes the relationship between sustainability views, drivers and barriers and concrete procurement practices for sustainability in the German food service industry (FSI), building on earlier work of Rankin et al. (2011) on this topic. Further innovation lies in the explicit regard to product-specific differences in the importance and level of implementation of sustainable sourcing...

Journal: :Japanese Journal of Applied Physics 2021

We have investigated the in-plane anisotropy of c-axis magnetoresistance (MR) in both superconducting and normal states single crystals NdO0.7F0.3BiS2 under magnetic fields. In NdO0.7F0.3BiS2, four-fold-symmetric MR was observed below transition temperature. Since crystal structure is tetragonal, rotational symmetry state preserved present compound. This result clearly different from previous r...

Journal: :Symmetry 2010
Biserka Kojic-Prodic Zoran Stefanic

The essay is dedicated to the relation of symmetry and asymmetry-chirality in Nature. The Introduction defines symmetry and its impact on basic definitions in science and human activities. The following section Chirality of molecules reveals breifly development of notion of chirality and its significance in living organisms and science. Homochirality is a characteristic hallmark of life and its...

1998
A. Sibirtsev

It was predicted by Watson and Migdal [1] that close to threshold the energy dependence of the cross section is dominated by the Final State Interaction (FSI). Within the Watson-Migdal approximation the transition amplitude is factorized in terms of the production and FSI amplitudes. Further study were performed by Gottfried and Jackson [2] with introduction the absorptive correction to the Bor...

1999
T. W. Donnelly

We investigate the reactions D(e, ep)n and D(~e, ep)n at GeV energies and discuss the opportunities to distinguish between different models for the nuclear ground state by measuring the response functions. In calculating the final-state interaction (FSI) we employ Glauber theory, and we also include relativistic effects in the electromagnetic current. We include not only the central FSI, but al...

1997
M. BIYAJIMA T. MIZOGUCHI T. OSADA G. WILK

We are presenting here the new formulae for Bose-Einstein correlations (BEC) which contain effects of final state interactions (FSI) of both strong (in s-wave) and electromagnetic origin. We demonstrate the importance of FSI in BEC by analysing data for e + e − annihilation and for heavy collisions. The inclusion of FSI results in the practical elimination (at least in e + e − data) of the so c...

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