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- Tel Aviv UniversityIL181 papers
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49 papers · 1 filter
Observation of domain wall resistivity in
L. Klein, Y. Kats, A. F. Marshall +4
is an itinerant ferromagnet with . When is cooled through in zero applied magnetic field, a stripe domain structure appears wh…
Directed polymers at finite temperatures in 1+1 and 2+1 dimensions
Xiao-Hong Wang, Shlomo Havlin, Moshe Schwartz
We present systematic numerical simulations for directed polymers at finite temperatures in 1+1 and 2+1 dimensions. The transverse fluctuations and free energy fluctuations tend to…
Shape Avoiding Permutations
Ron M. Adin, Yuval Roichman
Permutations avoiding all patterns of a given shape (in the sense of Robinson-Schensted-Knuth) are considered. We show that the shapes of all such permutations are contained in a s…
A possible role of D^- band in hopping conductivity and metal-insulator transition in 2D structures
V. I. Kozub, N. V. Agrinskaya, S. I. Khondaker +1
A simple two-band model is suggested explaining recently reported unusual features for hopping magnetoresistance and the metal-insulator transition in 2D structures. The model impl…
Fluctuation-Stimulated Variable-Range Hopping
V. I. Kozub, S. D. Baranovskii, I. Shlimak
Qualitatively new transport mechanism is suggested for hopping of carriers according to which the variable-range hopping (VRH) arises from the resonant tunneling between transport…
Geometry of Stationary Sets for the Wave Equation in R^n, The Case of Finitely Supported Initial Data, An Announcement
Mark L. Agranovsky, Eric Todd Quinto
We consider the Cauchy problem for the wave equation in the whole space, R^n, with initial data which are distributions supported on finite sets. The main result is a precise descr…