3 citations · 6 across the 16 of their papers we have counts for
16 papers
First Plasma Commissioning and Operational Highlights from India's First Spherical Tokamak at IPR
Kishore Mishra, Aditya Verma, N. Mansoori +72
A compact Spherical Tokamak(ST) is commissioned at Institute for Plasma Research (IPR) to explore low aspect ratio tokamak physics and technologies that complement to the existing…
Deep Learning Models for ADITYA-U MHD Equilibrium
Udaya Maurya, Suman Aich, Indranil Bandyopadhyay +1
This work presents deep learning models to predict magnetohydrodynamic equilibrium parameters and profiles for the ADITYA-U tokamak. A synthetic free-boundary equilibrium dataset c…
Production of high-quality plasma discharges via real-time control of plasma current ramp-up using neutral gas injection in Aditya-U tokamak
Suman Dolui, Praveenlal Edappala, Kaushlender Singh +13
Robust control of plasma current ramp-up is an absolute necessity, as an efficient and uncontaminated plasma current ramp-up is essential for achieving prolonged, high-pressure tok…
Development of a thin-target hard X-ray bremsstrahlung detection system to study confined runaway electrons in Aditya-U Tokamak
Suman Dolui, Santosh Pandya, J. Kumar +23
A specially shielded CdTe detector based hard X-ray (HXR) monitoring system equipped with a lead collimator has been developed and installed on the Aditya-U tokamak to investigate…
Quantum simulation of the Haldane phase using open shell molecules
Suman Aich, Ceren B. Dag, H. A. Fertig +2
Dipolar molecules in optical traps are a versatile platform for studying many-body phases of quantum matter in the presence of strong and long-range interactions. The dipolar inter…
Sensitivity of External Magnetic Field on the Change in Cross-section of a Toroidal Current
Suman Aich, Joydeep Ghosh, Rakesh L. Tanna +3
Due to any toroidal current column, the magnetic field is found to be sensitive as well as insensitive to its cross-sectional area depending on location of subject point, as predic…
Effect of LH and ECR waves on plasma parameters in ADITYA Upgrade tokamak
S. Aich, S. Dolui, K. Singh +29
The plasma discharges in ADITYA Upgrade Tokamak are produced by means of transformer action, in which Ohmically created plasma is driven by means of a secondary loop voltage. Due t…
Wilson loop invariants and bulk-boundary correspondence in higher-order topological insulators with two anticommuting mirror symmetries
Suman Aich, Babak Seradjeh
We investigate the higher-order bulk-boundary correspondence in a family of chiral-symmetric Bloch Hamiltonians with anticommuting mirror symmetries. These models generalize the $π…
Selective bulk-boundary correspondence in higher-order topological insulators with anticommuting mirror and chiral symmetries
Suman Aich, Babak Seradjeh
We investigate higher-order topological insulators protected by chiral and anticommuting mirror symmetries. Using models in the BDI class, which include the prototypical topologica…
Favorable modifications of Scrape-Off Layer (SOL) heat flux width through pulsed fuelling in ADITYA-U Tokamak
SK Injamul Hoque, Harshita Raj, Ritu Dey +19
Enhancement of the scrape-off layer (SOL) heat flux width has been observed in the ADITYA-U Tokamak following the injection of short fuel gas pulses. A notable reduction in paralle…
Plasma Position Constrained Free-Boundary MHD Equilibrium in Tokamaks using pyIPREQ
Udaya Maurya, Amit K. Singh, Suman Aich +3
A free-boundary, axisymmetric magnetohydrodynamic (MHD) equilibrium code, pyIPREQ, has been developed for Tokamak plasmas using finite difference and Green's function approach. The…
A multi-purpose reciprocating probe drive system for studying the effect of gas-puffs on edge plasma dynamics in the ADITYA-U tokamak
Kaushlender Singh, Bharat Hegde, Ashok K. Kumawat +24
This article reports the development of a versatile high-speed reciprocating drive system (HRDS) with interchangeable probe heads to characterize the edge plasma region of ADITYA-U…
Stabilization of sawteeth instability by short gas pulse injection in ADITYA-U tokamak
Suman Dolui, Kaushlender Singh, Bharat Hegde +28
Experiments on ADITYA-U tokamak show a marked enhancement in the sawtooth period by application of short gas puffs of fuel that cause a modification of the radial density profile.…
MHD activity induced coherent mode excitation in the edge plasma region of ADITYA-U Tokamak
Kaushlender Singh, Suman Dolui, Bharat Hegde +28
In this paper, we report the excitation of coherent density and potential fluctuations induced by magnetohydrodynamic (MHD) activity in the edge plasma region of ADITYA-U Tokamak.…
Multiple tunable real-space degeneracies in graphene irradiated by twisted light
Suman Aich, Babak Seradjeh
We report the theoretical discovery of multiple real-space degenerate Floquet-Bloch states in monolayer graphene coherently driven by twisted circularly-polarized light. Using Floq…
The clash of the Titans: how preferential attachment helps the survival of the smallest
Suman Aich, Anita Mehta
We examine the effects of preferential attachment on a model of competing clusters. In the original model, cluster masses grow at the expense of their neighbours; on a lattice, thi…