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40 papers · 1 filter
Nonlocal Effects of Partial Measurements and Quantum Erasure
Avshalom C. Elitzur, Shahar Dolev
Partial measurement turns the initial superposition not into a definite outcome but into a greater probability for it. The probability can approach 100%, yet the measurement can un…
Descent Numbers and Major Indices for the Hyperoctahedral Group
Ron M. Adin, Francesco Brenti, Yuval Roichman
We introduce and study three new statistics on the hyperoctahedral group , and show that they give two generalizations of Carlitz's identity for the descent number and major…
Fluctuations in single crystal: an evidence for 2D->3D crossover
B. Rosenstein, B. Ya. Shapiro, R. Prozorov +2
Magnetization measurements as a function of temperature are reported for crystal (T_{c}=45.2 K) for fields between 0.2 to . All isochamps for H>1…
No indications of metal-insulator transition for systems of interacting electrons in two dimensions
Richard Berkovits, Jan W. Kantelhardt, Yshai Avishai +2
The influence of Coulomb interaction on transport properties of spinless electrons in small disordered two dimensional systems is studied within a tight binding model. Spatial corr…
Average Time Spent by Levy Flights and Walks on an Interval with Absorbing Boundaries
S. V. Buldyrev, S. Havlin, A. Ya. Kazakov +4
We consider a Levy flyer of order alpha that starts from a point x0 on an interval [O,L] with absorbing boundaries. We find a closed-form expression for the average number of fligh…
Characterization of Sleep Stages by Correlations of Heartbeat Increments
Jan W. Kantelhardt, Yosef Ashkenazy, Plamen Ch. Ivanov +5
We study correlation properties of the magnitude and the sign of the increments in the time intervals between successive heartbeats during light sleep, deep sleep, and REM sleep us…