109 citations · 423 across the 26 of their papers we have counts for
28 papers
Intrinsic Even-Odd Thickness-Driven Anomalous Hall in Epitaxial MnBi2Te4 Thin Films
Debarghya Mallick, Simon Kim, An-Hsi Chen +12
We demonstrate precise control of magnetism in MnBi2Te4 thin films through careful synthesis by molecular beam epitaxy, achieving minimal defects and accurate layer thickness contr…
Nucleation and Antiphase Twin Control in BiSe via Step-Terminated AlO Substrates
Alessandro R. Mazza, Jia Shi, Gabriel A. Vázquez-Lizardi +18
The epitaxial synthesis of high-quality 2D layered materials is an essential driver of both fundamental physics studies and technological applications. BiSe, a prototypical…
algebra and the dual theory of 3D asymptotically flat higher spin gravity
Nabamita Banerjee, Arindam Bhattacharjee, Surajit Biswas +2
BMS algebra in three spacetime dimensions can be deformed into a two parameter family of algebra known as algebra. For , we show that other than , no other $…
Cyber Framework for Steering and Measurements Collection Over Instrument-Computing Ecosystems
Anees Al-Najjar, Nageswara S. V. Rao, Ramanan Sankaran +4
We propose a framework to develop cyber solutions to support the remote steering of science instruments and measurements collection over instrument-computing ecosystems. It is base…
Deep Learning for Automated Experimentation in Scanning Transmission Electron Microscopy
Sergei V. Kalinin, Debangshu Mukherjee, Kevin M. Roccapriore +9
Machine learning (ML) has become critical for post-acquisition data analysis in (scanning) transmission electron microscopy, (S)TEM, imaging and spectroscopy. An emerging trend is…
Higher Spin Gravity in and Folds on Fermi Surface
Suvankar Dutta, Debangshu Mukherjee, Sanhita Parihar
In this paper, we introduce new sets of boundary conditions for higher spin gravity in where the boundary dynamics of spin two and other higher spin fields are governed by…
Interlaced scan patterns based on progressive hexagonal grids
Jacob D. Hinkle, Debangshu Mukherjee
Progressive acquisition of slowly-scanned images is desirable for drift correction and real-time visualization. Interlacing methods are common approaches to storing and transmittin…
Higher derivative invariants in four dimensional N=3 Poincare supergravity
Subramanya Hegde, Madhu Mishra, Debangshu Mukherjee +1
In this paper, we use the superconformal approach to derive the higher derivative action for N = 3 Poincare supergravity in four space-time dimensions. We first study the coupling…
Enabling Autonomous Electron Microscopy for Networked Computation and Steering
Anees Al-Najjar, Nageswara S. V. Rao, Ramanan Sankaran +6
Advanced electron microscopy workflows require an ecosystem of microscope instruments and computing systems possibly located at different sites to conduct remotely steered and auto…
A roadmap for edge computing enabled automated multidimensional transmission electron microscopy
Debangshu Mukherjee, Kevin M. Roccapriore, Anees Al-Najjar +8
The advent of modern, high-speed electron detectors has made the collection of multidimensional hyperspectral transmission electron microscopy datasets, such as 4D-STEM, a routine.…
Flow of shear response functions in hyperscaling violating Lifshitz theories
Arghya Chattopadhyay, Nihal M, Debangshu Mukherjee
We study the flow equations of the shear response functions for hyperscaling violating Lifshitz (hvLif) theories, with Lifshitz and hyperscaling violating exponents and . Ad…
Inflation and primordial gravitational waves in scale-invariant quadratic gravity with Higgs
Anish Ghoshal, Debangshu Mukherjee, Massimiliano Rinaldi
In scale-invariant models of fundamental physics all mass scales are generated via spontaneous symmetry breaking. In this work, we study inflation in scale-invariant quadratic grav…
Image Gradient Decomposition for Parallel and Memory-Efficient Ptychographic Reconstruction
Xiao Wang, Aristeidis Tsaris, Debangshu Mukherjee +5
Ptychography is a popular microscopic imaging modality for many scientific discoveries and sets the record for highest image resolution. Unfortunately, the high image resolution fo…
Supersymmetrization of deformed BMS algebras
Nabamita Banerjee, Arpita Mitra, Debangshu Mukherjee +1
and algebras are deformations of and algebra respectively. We present an supersymmetric…
A Unitary Matrix Model for -deformed Plancherel Growth
Suvankar Dutta, Debangshu Mukherjee, Neetu +1
In this paper we construct a unitary matrix model that captures the asymptotic growth of Young diagrams under -deformed Plancherel measure. The matrix model is a analog of G…
Effective reduction of PdCoO2 thin films via hydrogenation and sign tunable anomalous Hall effect
Gaurab Rimal, Yiting Liu, Caleb Schmidt +14
PdCoO2 , belonging to a family of triangular oxides called delafossite, is one of the most conducting oxides. Its in-plane conductivity is comparable to those of the best metals, a…
From 2d Droplets to 2d Yang-Mills
Arghya Chattopadhyay, Suvankar Dutta, Debangshu Mukherjee +1
We establish a connection between time evolution of free Fermi droplets and partition function of \emph{generalised} \emph{q}-deformed Yang-Mills theories on Riemann surfaces. Clas…
Strong spin-dephasing in a topological insulator - paramagnet heterostructure
Jason Lapano, Alessandro R. Mazza, Haoxiang Li +9
The interface between magnetic materials and topological insulators can drive the formation of exotic phases of matter and enable functionality through manipulation of the strong s…
Applying configurational complexity to the 2D Ruddlesden-Popper crystal structure
Wenrui Zhang, Alessandro R. Mazza, Elizabeth Skoropata +11
The 2D layered Ruddlesden-Popper crystal structure can host a broad range of functionally important behaviors. Here we establish extraordinary configurational disorder in a two dim…
Lattice strain measurement of core@shell electrocatalysts with 4D-STEM nanobeam electron diffraction
Debangshu Mukherjee, Jocelyn T. L. Gamler, Sara E. Skrabalak +1
Strain engineering enables the direct modification of the atomic bonding and is currently an active area of research aimed at improving the electrocatalytic activity. However, dire…
MPFit: A robust method for fitting atomic resolution images with multiple Gaussian peaks
Debangshu Mukherjee, Leixin Miao, Greg Stone +1
The standard technique for sub-pixel estimation of atom positions from atomic resolution scanning transmission electron microscopy images relies on fitting intensity maxima or mini…
Quantum Mechanics of Plancherel Growth
Arghya Chattopadhyay, Suvankar Dutta, Debangshu Mukherjee +1
Growth of Young diagrams, equipped with Plancherel measure, follows the automodel equation of Kerov. Using the technology of unitary matrix model we show that such growth process i…
Growth of metallic delafossite PdCoO2 by molecular beam epitaxy
Matthew Brahlek, Gaurab Rimal, Jong Mok Ok +8
The Pd, and Pt based ABO2 delafossites are a unique class of layered, triangular oxides with 2D electronic structure and a large conductivity that rivals the noble metals. Here, we…
Atomic Scale Measurement of Polar Entropy
Debangshu Mukherjee, Sergei Prokhorenko, Leixin Miao +4
Entropy is a fundamental thermodynamic quantity that is a measure of the accessible microstates available to a system, with the stability of a system determined by the magnitude of…