69 citations · 179 across the 13 of their papers we have counts for
13 papers
A field theory approach to Breit-type Hamiltonians in gapped Dirac systems
Xinhong Zhou, T. H. Hansson, Varsha Subramanyan +1
We develop a path-integral-based field theory for deriving Breit-type low-energy Hamiltonians for gapped Dirac systems coupled to both vector and axial gauge fields. Treating the m…
Symmetries and dynamics of quantum Hall bulk anyons in quadratic potentials
Preethi Basani, Varsha Subramanyan, Smitha Vishveshwara
We study two-particle coherent states and their dynamics in the lowest Landau level (LLL) under the influence of quadratic potentials. We focus on generalized coherent states that…
Dynamics of "Classical" Bosons, Fermions, and beyond
Varsha Subramanyan, T. H. Hansson, Smitha Vishveshwara
We study the classical mechanics and dynamics of particles that retains some memory of quantum statistics. Our work builds on earlier work on the statistical mechanics and thermody…
From atomic to global connectivity in the structure of the SARS-CoV2-Human ACE2 receptor complex
Varsha Subramanyan, Arinnia Anto, Moitrayee Bhattacharyya +2
We investigate connectivity properties of the SARS-CoV2 spike protein-human ACE2-receptor complex employing a protein side chain-based network method that allows us to span a range…
Majorana bound state parity exchanges in planar Josephson junctions
Varsha Subramanyan, Jukka I Vayrynen, Alex Levchenko +1
We describe a scheme to exchange fermion parity between two pairs of Majorana bound states mediated by coupling with a centralized quantum dot. We specifically formulate such a sch…
Signatures of Majorana bound states and parity effects in two-dimensional chiral p-wave Josephson junctions
Nick Abboud, Varsha Subramanyan, Xiao-Qi Sun +3
We characterize topological features of Josephson junctions formed by coupled mesoscopic chiral -wave superconducting islands. Through analytic and numerical studies of the low-…
Regression to the Mean can Explain Saturation of Geomagnetic Storms
Nithin Sivadas, David Sibeck, Varsha Subramanyan +4
Extreme space weather events on Earth occur during intervals of strong solar wind driving. The solar wind drives plasma convection and currents in the near-Earth space environment.…
Microtubules as electron-based topological insulators
Varsha Subramanyan, Kay L. Kirkpatrick, Saraswathi Vishveshwara +1
The microtubule is a cylindrical biological polymer that plays key roles in cellular structure, transport, and signalling. In this work, based on studies of electronic properties o…
Physics of the Inverted Harmonic Oscillator: From the lowest Landau level to event horizons
Varsha Subramanyan, Suraj S. Hegde, Smitha Vishveshwara +1
In this work, we present the inverted harmonic oscillator (IHO) Hamiltonian as a paradigm to understand the quantum mechanics of scattering and time-decay in a diverse set of physi…
Surveying the side-chain network approach to protein structure and dynamics: The SARS-CoV-2 spike protein as an illustrative case
Anushka Halder, Arinnia Anto, Varsha Subramanyan +3
Network theory-based approaches provide valuable insights into the variations in global structural connectivity between differing dynamical states of proteins. Our objective is to…
Correlations, Dynamics, and Interferometry of Anyons in the Lowest Landau Level
Varsha Subramanyan, Smitha Vishveshwara
In this article, we present a systematic study of quantum statistics and dynamics of a pair of anyons in the lowerst Landau level (LLL), of direct relevance to quasiparticle excita…
Quasinormal Modes and Hawking-Unruh effect in Quantum Hall Systems: Lessons from Black Hole Phenomena
Suraj S. Hegde, Varsha Subramanyan, Barry Bradlyn +1
In this work, we propose the quantum Hall system as a platform for exploring black hole phenomena. By exhibiting deep rooted commonalities between lowest Landau level and spacetime…
On a square-ice analogue of plane partitions
Suresh Govindarajan, Anthony J. Guttmann, Varsha Subramanyan
We study a one-parameter family () of configurations that are square-ice analogues of plane partitions. Using an algorithm due to Bratley and McKay, we carry out…