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P. K. Mohanty

As seen in: arXiv, Physical Review B
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Articles by P. K. Mohanty

Condensed Matter > Soft Condensed Matter

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By P. K. Mohanty
| arXiv
[Submitted on 5 Nov 2026] Title:Active model B+ from run-and-tumble particles on a triangular lattice View a PDF of the paper titled Active model B+ from run-and-tumble particles on a triangular lattice, by Abir Bhowmick and P. K. Mohanty View PDF HTML (experimental) Abstract:Active model B+ (AMB+) explains how motility-induced phase separation can be arrested by reverse Ostwald ripening, but its coefficients have not been derived from a microscopic lattice model that shows it.
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Hidden superuniversality in systems with continuous variation of critical exponents

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By Indranil Mukherjee Verified, P. K. Mohanty
| Physical Review B
Renormalization group theory allows continuous variation of critical exponents along a marginal direction (when there is one), keeping the scaling relations invariant. We propose a superuniversality hypothesis (SUH) suggesting that, up to constant scale factors, the scaling functions along the critical line must be identical to that of the base universality class even when all the critical exponents vary continuously.
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Many universality classes in an interface model restricted to non-negative heights

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By Peter Grassberger, FZ Jülich, Deepak Dhar, P. K. Mohanty
| Physical Review B
Abstract We present a simple one-dimensional stochastic model with three control parameters and a surprisingly rich zoo of phase transitions. At each (discrete) site x and time t, an integer n(x,t) satisfies a linear interface equation with added random noise. Depending on the control parameters, this noise may or may not satisfy the detailed balance condition, so that the growing interfaces are in the Edwards-Wilkinson or in the Kardar-Parisi-Zhang universality class.
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