Spectroscopy of local density of states fluctuations in a disordered conductor
نویسندگان
چکیده
منابع مشابه
0 O ct 1 99 5 Spectroscopy of Local Density of States Fluctuations in a Disordered Conductor
The local density of states of a degenerate semiconductor is investigated at low magnetic fields by resonant tunneling through a discrete localized electron level. Fine structure in the tunneling current provides a temperature insensitive image of mesoscopic fluctuations of the local density of states below the Fermi level. The fluctuations are demonstrated to originate from quantum interferenc...
متن کاملFluctuations of the local density of states probe localized surface plasmons on disordered metal films.
We measure the statistical distribution of the local density of optical states (LDOS) on disordered semicontinuous metal films. We show that LDOS fluctuations exhibit a maximum in a regime where fractal clusters dominate the film surface. These large fluctuations are a signature of surface-plasmon localization on the nanometer scale.
متن کاملDensity of States and Its Local Fluctuations Determined by Capacitance of Strongly Disordered Graphene
I. Asymmetric fitting of hole branches for three Ag samples Fig. S1 The reduction factor of experimental (scatters) and fitting results by the FLDOS model (solid lines) for hole branches of three Ag samples.
متن کاملAnomalous local coordination, density fluctuations, and void statistics in disordered hyperuniform many-particle ground states.
We provide numerical constructions of one-dimensional hyperuniform many-particle distributions that exhibit unusual clustering and asymptotic local number density fluctuations growing more slowly than the volume of an observation window but faster than the surface area. Hyperuniformity, defined by vanishing infinite-wavelength local density fluctuations, provides a quantitative metric of global...
متن کاملDensity fluctuations of polymers in disordered media.
We study self-avoiding random walks in an environment where sites are excluded randomly, in two and three dimensions. For a single polymer chain, we study the statistics of the time averaged monomer density and show that these are well described by multifractal statistics. This is true even far from the percolation transition of the disordered medium. We investigate solutions of chains in a dis...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Europhysics Letters (EPL)
سال: 1996
ISSN: 0295-5075,1286-4854
DOI: 10.1209/epl/i1996-00187-x