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108 papers · 1 filter
Depairing currents in superconducting films of Nb and amorphous MoGe
A. Yu. Rusanov, M. B. S. Hesselberth, J. Aarts
We report on measuring the depairing current J_{dp} in thin superconducting films as a function of temperature. The main difficulties in such measurements are that heating has to b…
Statistics of Heat Transfer in Mesoscopic Circuits
M. Kindermann, S. Pilgram
A method to calculate the statistics of energy exchange between quantum systems is presented. The generating function of this statistics is expressed through a Keldysh path integra…
Linear equations with unknowns from a multiplicative group whose solutions lie in a small number of subspaces
Jan-Hendrik Evertse
Let K be a field of characteristic 0. We consider linear equations a1*x1+...+an*xn=1 in unknowns x1,...,xn from G, where a1,...,an are non-zero elements of K, and where G is a subg…
On the number of equivalence classes of binary forms of given degree and given discriminant
Attila Berczes, Jan-Hendrik Evertse, Kalman Gyory
We give an explicit upper bound for the number of equivalence classes of binary forms with rational integral coefficients of given degree and given discriminant, and with given spl…
Convective Depletion During The Fast Propagation Of A Nanosphere Through A Polymer Solution
Theo Odijk
A theory of nonlinear convective depletion is set up as a nanosphere translates fast through a semidilute polymer solution. For nanospheres a self-consistent field theory in the Ro…
Parametric Recovery of Line-of-Sight Velocity Distributions from Absorption-Line Spectra of Galaxies via Penalized Likelihood
Michele Cappellari, Eric Emsellem
We investigate the accuracy of the parametric recovery of the line-of-sight velocity distribution (LOSVD) of the stars in a galaxy, while working in pixel space. Problems appear wh…