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Static Local Field Factor for Dielectric Screening Function of Electron Gas at Metallic and Lower Densities

A simple parametric form for the static local field factor G(q) which appears in the dielectric screening theory of an electron gas is proposed. A very accurate fit of Ceperley–Alder data of electron… Expand

Spin-S Kitaev model: Classical ground states, order from disorder, and exact correlation functions

- G. Baskaran, D. Sen, R. Shankar
- Physics
- 10 June 2008

In the first part of this paper, we study the spin-S Kitaev model using spin-wave theory. We discover a remarkable geometry of the minimum-energy surface in the N-spin space. The classical ground… Expand

Quantum Phase Transitions in Transverse Field Spin Models: From Statistical Physics to Quantum Information

- A. Dutta, G. Aeppli, B. Chakrabarti, U. Divakaran, T. Rosenbaum, D. Sen
- Physics
- 3 December 2010

The transverse field Ising and XY models (the simplest quantum spin models) provide the organising principle for the rich variety of interconnected subjects which are covered in this book. From a… Expand

Density-Functional Theory of the Fractional Quantum Hall Effect.

- Jianyun Zhao, Manisha Thakurathi, Manish Jain, D. Sen, J. Jain
- PhysicsPhysical review letters
- 17 December 2016

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Quantization of the Derivative Nonlinear Schrodinger Equation

- D. Sen
- Physics
- 9 December 1996

We study the quantum mechanics of the derivative nonlinear Schrodinger equation which has appeared in many areas of physics and is known to be classically integrable. We find that the N-body quantum… Expand

Floquet generation of Majorana end modes and topological invariants

- Manisha Thakurathi, A. Patel, D. Sen, A. Dutta
- Physics
- 10 March 2013

We show how Majorana end modes can be generated in a one-dimensional system by varying some of the parameters in the Hamiltonian periodically in time. The specific model we consider is a chain… Expand

Majorana fermions in superconducting 1D systems having periodic, quasiperiodic, and disordered potentials.

- W. DeGottardi, D. Sen, S. Vishveshwara
- PhysicsPhysical review letters
- 31 July 2012

TLDR

Defect production in nonlinear quench across a quantum critical point.

- D. Sen, K. Sengupta, S. Mondal
- PhysicsPhysical review letters
- 14 March 2008

TLDR

Granular topological insulators.

- A. Banerjee, Oindrila Deb, K. Majhi, R. Ganesan, D. Sen, P. A. Anil Kumar
- PhysicsNanoscale
- 13 April 2016

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