79 citations · 115 across the 7 of their papers we have counts for
7 papers
The low-frequency dielectric response of charged oblate spheroidal particles immersed in an electrolyte
Chang-Yu Hou, Denise E. Freed, Pabitra N. Sen
We study the low-frequency polarization response of a surface-charged oblate spheroidal particle immersed in an electrolyte solution. Because the charged spheroid attracts counter-…
Dielectric Enhancement from Non-Insulating Particles with Ideally Polarized Interfaces and Zero -Potential I: Exact Solution
Jiang Qian, Pabitra N. Sen
We solve exactly the dielectric response of a non-insulating sphere of radius suspended in symmetric, univalent electrolyte solution, with ideally-polarizable interface but wit…
Universal Dielectric Enhancement from Externally Induced Double Layer Without -Potential
Jiang Qian, Pabitra N Sen
Motivated by recent experiments showing over -fold increase in induced polarization from electrochemically inert, conducting materials in dilute saline solutions, we theoreti…
Time dependent diffusion in a disordered medium with partially absorbing walls: A perturbative approach
Jiang Qian, Pabitra N. Sen
We present an analytical study of the time dependent diffusion coefficient in a dilute suspension of spheres with partially absorbing boundary condition. Following Kirkpatrick (J.…
Taylor dispersion with absorbing boundaries: A Stochastic Approach
Rudro R. Biswas, Pabitra N. Sen
We describe how to solve the problem of Taylor dispersion in the presence of absorbing boundaries using an exact stochastic formulation. In addition to providing a clear stochastic…
Tortuosity Measurement and the Effects of Finite Pulse Widths on Xenon Gas Diffusion NMR Studies of Porous Media
R. W. Mair, M. D. Hurlimann, P. N. Sen +3
We have extended the utility of NMR as a technique to probe porous media structure over length scales of ~ 100 - 2000 micron by using the spin 1/2 noble gas 129Xe imbibed into the…