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papers

Publications (74)

quant-ph1994

Two Mode Quantum Systems: Invariant Classification of Squeezing Transformations and Squeezed States

Arvind, B. Dutta, N. Mukunda +1

quant-ph2016

Constructing valid density matrices on an NMR quantum information processor via maximum likelihood estimation

Harpreet Singh, Arvind, Kavita Dorai

quant-ph2019

Geometric phases for finite-dimensional systems -- the roles of Bargmann Invariants, Null Phase Curves and the Schwinger Majorana SU(2) framework

K S Akhilesh, Arvind, S Chaturvedi +2

The paper investigates geometric phases in finite‑dimensional quantum systems by analyzing Bargmann invariants and null phase curves, employing the Majorana representation of symme…

Publications (74)

Two Mode Quantum Systems: Invariant Classification of Squeezing Transformations and Squeezed States

Constructing valid density matrices on an NMR quantum information processor via maximum likelihood estimation

Geometric phases for finite-dimensional systems -- the roles of Bargmann Invariants, Null Phase Curves and the Schwinger Majorana SU(2) framework

Weak Memory Models with Matching Axiomatic and Operational Definitions

Relativistic Operator Description of Photon Polarization

BigSparse: High-performance external graph analytics

Entanglement detection on an NMR quantum information processor using random local measurements

An Operational Framework for Specifying Memory Models using Instantaneous Instruction Execution

Determining the parity of a permutation using an experimental NMR qutrit

The Sampling Theorem and Coherent State Systems in Quantum Mechanics

Random sampling of an AC source: A tool to teach probabilistic observations

A classical optical approach to the `non-local Pancharatnam-like phases' in Hanbury-Brown-Twiss correlations

Constructing a Weak Memory Model

Majorana representation, qutrit Hilbert space and NMR implementation of qutrit gates

Intrinsic nonlinearity of a PN-junction diode and higher order harmonic generation

Witnessing nonclassical correlations via a single-shot experiment on an ensemble of spins using NMR

Entanglement properties of positive operators with ranges in completely entangled subspaces

General radiation states and Bell's inequalities

In-Storage Embedded Accelerator for Sparse Pattern Processing

Quantum Computing by Two-Dimensional NMR using Spin- and Transition-Selective Pulses

Wigner distributions and quantum mechanics on Lie groups: the case of the regular representation

Non-classical Photon Statistics For Two-mode Optical Fields

Weak Memory Models: Balancing Definitional Simplicity and Implementation Flexibility

Quantum Private Comparison over noisy channels

Entanglement and Complete Positivity: Relevance and Manifestations in Classical Scalar Wave Optics

Quantum state estimation using weak measurements

Experimental Classification of Entanglement in Arbitrary Three-Qubit States on an NMR Quantum Information Processor

Experimental construction of a W-superposition state and its equivalence to the GHZ state under local filtration

Efficient experimental design of high-fidelity three-qubit quantum gates via genetic programming

Implementation of a Deutsch-like quantum algorithm utilizing entanglement at the two-qubit level, on an NMR quantum information processor

Nonclassicality and the concept of local constraints on the photon number distribution

Experimentally freezing quantum discord in a dissipative environment using dynamical decoupling

U(2) invariant squeezing properties of pair coherent states

Bargmann Invariants and Geometric Phases - a Generalised Connection

On `orbital' and `spin' angular momentum of light in classical and quantum theories -- a general framework

Experimental demonstration of quantum contextuality on an NMR qutrit

Bell's inequalities, multiphoton states and phase space distributions

Bargmann invariants and off-diagonal geometric phases for multi-level quantum systems -- a unitary group approach

Weak measurement-based state estimation of Gaussian states of one-variable quantum systems

Simulating a single qubit channel using a mixed state environment

The Real Symplectic Groups in Quantum Mechanics and Optics

Quantum Entanglement and Quantum Computational Algorithms

Quantum key distribution protocol based on contextuality monogamy

Experimental demonstration of selective quantum process tomography on an NMR quantum information processor

Estimation of quantum states by weak and projective measurements

Experimental protection of arbitrary states in a two-qubit subspace by nested Uhrig dynamical decoupling

Validating Simplified Processor Models in Architectural Studies

Characterisations of Classical and Non-classical states of Quantised Radiation

Implementation of the quantum Fourier transform on a hybrid qubit-qutrit NMR quantum emulator

Implementing quantum logic operations, pseudo-pure states and the Deutsch-Jozsa algorithm using non-commuting selective pulses in NMR

An Energy-Efficient Reconfigurable DTLS Cryptographic Engine for Securing Internet-of-Things Applications

Gaussian Wigner distributions and hierarchies of nonclassical states in quantum optics-The single mode case

On-demand quantum key distribution using superconducting rings with a mesoscopic Josephson junction

Experimentally identifying the entanglement class of pure tripartite states

Optical implementations, oracle equivalence, and the Bernstein-Vazirani algorithm

Necessary and Sufficient Classicality Conditions on Photon Number Distributions

A generalized Pancharatnam geometric phase formula for three level systems

Scaling issues in ensemble implementations of the Deutsch-Jozsa algorithm

Study of normal modes and symmetry breaking in a two-dimensional pendulum

Evolution of tripartite entangled states in a decohering environment and their experimental protection using dynamical decoupling

Generalised coherent states and the diagonal representation for operators

Measurement-based local quantum filters and their ability to transform quantum entanglement

Extremal extensions of entanglement witnesses and their connection with UPB

An Energy-Efficient Reconfigurable DTLS Cryptographic Engine for End-to-End Security in IoT Applications

Taming Weak Memory Models

Global aspects of polarization optics and coset space geometry

Effect of dissipative environment on collapses and revivals of a nonlinear quantum oscillator

Experimental Detection of Qubit-Ququart Pseudo-Bound Entanglement using Three Nuclear Spins

Experimental protection against evolution of states in a subspace via a super-Zeno scheme on an NMR quantum information processor

A two-qubit algorithm involving quantum entanglement

Extremal extensions of entanglement witnesses: Unearthing new bound entangled states

Experimental construction of generic three-qubit states and their reconstruction from two-party reduced states on an NMR quantum information processor

Brownian Motion in a Classical Ideal Gas: a Microscopic Approach to Langevin's Equation

Quantum entanglement in the NMR implementation of the Deutsch-Jozsa algorithm