250 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- P. Sahoo4 profiles119 · h 38
- B. Mishra10 profiles101 · h 21
- P. K. Sahoo8 profiles70 · h 11
- S. K. Tripathy2 profiles45 · h 34
- Sanjay Mandal2 profiles35 · h 23
- Simran Arora32 · h 22
- T. Nag25 · h 19
- R. Solanki21 · h 13
- Z. Hassan18 · h 15
- Gaurav N. Gadbail17 · h 12
- Nirman Ganguly16 · h 13
- P. Moraes2 profiles16 · h 23
- Birla Institute of Technology and Science, PilaniIN327 papers
- Indira Gandhi Institute of TechnologyIN56 papers
- Homi Bhabha National InstituteIN30 papers
- Osmania UniversityIN15 papers
- Indian Institute of Technology HyderabadIN14 papers
- Institute of Mathematical SciencesIN13 papers
- Instituto Tecnológico de AeronáuticaBR13 papers
- Tata Institute of Fundamental ResearchIN12 papers
- Universiti Tunku Abdul RahmanMY12 papers
- Uppsala UniversitySE12 papers
- Vellore Institute of Technology UniversityIN12 papers
- Raman Research InstituteIN11 papers
31 papers · 1 filter
Fidelity of entanglement and quantum entropies: unveiling their relationship in quantum states and channels
Komal Kumar, Bivas Mallick, Tapaswini Patro +1
Entanglement serves as a fundamental resource for various quantum information processing tasks. Fidelity of entanglement (which measures the proximity to a maximally entangled stat…
Higher-dimensional entanglement detection and quantum channel characterization using moments of generalized positive maps
Bivas Mallick, Ananda G. Maity, Nirman Ganguly +1
Higher-dimensional entanglement is a valuable resource for several quantum information processing tasks, and is often characterized by the Schmidt number and specific classes of en…
On the characterization of partially entanglement breaking and annihilating channels
Bivas Mallick, Nirman Ganguly, A. S. Majumdar
Transmission of high dimensional entanglement through quantum channels is a significant area of interest in quantum information science. The certification of high dimensional entan…
On fully entangled fraction and quantum conditional entropies for states with maximally mixed marginals
Komal Kumar, Indranil Chakrabarty, Nirman Ganguly
The fully entangled fraction (FEF) measures the proximity of a quantum state to maximally entangled states. FEF , in systems is a significant benchmark…
Optical ranging with quantum advantage
Sankar Davuluri, Greeshma Gopinath, Matt J. Woolley
The quantum illumination technique requires joint measurement between the idler and the probe reflected from the low-reflective target present in a noisy environment. The joint mea…
Continuous variable entanglement between propagating optical modes using optomechanics
Greeshma Gopinath, Yong Li, Sankar Davuluri
This article proposes a new method to entangle two spatially separated output laser fields from an optomechanical cavity with a membrane in the middle. The radiation pressure force…
Quantum channels and some absolute properties of quantum states
Tapaswini Patro, Kaushiki Mukherjee, Nirman Ganguly
Environmental interactions are ubiquitous in any real-world application of a quantum information processing protocol. Such interactions result in depletion of quantum resources. Tw…
Hidden Non n-locality In Linear Networks
Kaushiki Mukherjee, Soma Mandal, Tapaswini Patro +1
We study hidden nonlocality in a linear network with independent sources. In the usual paradigm of Bell nonlocality, there are certain states which exhibit nonlocality only after t…
Quantum conditional entropies and steerability of states with maximally mixed marginals
Komal Kumar, Nirman Ganguly
Quantum steering is an asymmetric correlation which occupies a place between entanglement and Bell nonlocality. In the paradigmatic scenario involving the protagonists Alice and Bo…
Enhanced Photon Squeezing in Two-Photon Dicke Model
Priyankar Banerjee, Deepti Sharma, Aranya B Bhattacherjee
We explore the phenomena of quadrature squeezing of photons in the Two-Photon Dicke Model under the mean-field approximation in the thermodynamic limit. The strength of photon sque…
Absolute fully entangled fraction from spectrum
Tapaswini Patro, Kaushiki Mukherjee, Mohd Asad Siddiqui +2
Fully entangled fraction (FEF) is a significant figure of merit for density matrices. In bipartite quantum systems, the threshold value FEF , carries signi…
Far-Infrared frequency mode conversion using bulk acoustic phonon modes
Surabhi Yadav, Aranya B Bhattacherjee
The ability to design, fabricate and control systems that can convert photons with dissimilar frequencies has technological implications in classical as well as quantum communicati…
A-unital Operations and Quantum Conditional Entropy
Mahathi Vempati, Saumya Shah, Nirman Ganguly +1
Negative quantum conditional entropy states are key ingredients for information theoretic tasks such as superdense coding, state merging and one-way entanglement distillation. In t…
Random Matrices and Quantum Hamilton-Jacobi Method
K. Haritha, K. V. S. Shiv Chaitanya
In this paper, we start with the quantum Hamilton-Jacobi approach and show that the underlying complex pole evolution of the Schrödinger equation is described by the quantum action…
Role of Dissipation on the Stability of a Parametrically Driven Quantum Harmonic Oscillator
Subhasish Chaki, Aranya B Bhattacherjee
We study the dissipative dynamics of a single quantum harmonic oscillator subjected to a parametric driving with in an effective Hamiltonian approach. Using Liouville von Neumann a…
Generating and detecting bound entanglement in two-qutrits using a family of indecomposable positive maps
Bihalan Bhattacharya, Suchetana Goswami, Rounak Mundra +4
The problem of bound entanglement detection is a challenging aspect of quantum information theory for higher dimensional systems. Here, we propose an indecomposable positive map fo…
Quantum Optical Response of a Hybrid Optomechanical Device embedded with a Qubit
Sabur A. Barbhuiya, Aranya B Bhattacherjee
We theoretically investigate the optical response in a hybrid quantum optomechanical system consisting of two optically coupled micro-cavities in which a two-level system (qubit) i…
Witnessing Negative Conditional Entropy
Mahathi Vempati, Nirman Ganguly, Indranil Chakrabarty +1
Quantum states that possess negative conditional von Neumann entropy provide quantum advantage in several information-theoretic protocols including superdense coding, state merging…
Fano profile in double cavity optomechanical system with harmonically bound mirrors
Vaibhav N Prakash, Aranya B Bhattacherjee
We investigate a double cavity optomechanical system(OMS) generating single and double Fano resonance(multi Fano). By altering a single parameter, the tunneling rate of the mid…
Relativistic Potentials with Rational Extensions
K. Haritha, K. V. S. Shiv Chaitanya
In this paper, we construct isospectral Hamiltonians without shape invariant potentials for the relativistic quantum mechanical potentials such as the Dirac Oscillator and Hydrogen…
Broadcasting of NPT Entanglement in Two Qutrit Systems
Rounak Mundra, Sabuj Chattopadhyay, Indranil Chakrabarty +1
It is known that beyond and dimensional quantum systems, Peres-Hordecki criterion is no longer sufficient as an entanglement detection criterion as ther…
Broadcasting of non-locality
Dhrumil Patel, Arup Roy, Indranil Chakrabarty +1
Bell nonlocality and steering are archetypal characteristics of quantum mechanics that mark a significant departure from conventional classical notions. They basically refer to the…
Negative effective mass, optical multistability and Fano line-shape control via mode tunneling in double cavity optomechanical system
Vaibhav N Prakash, Aranya B Bhattacherjee
We theoretically investigate the optical and mechanical properties of a double cavity optomechanical system with one stationary and two harmonically bound mirrors. We show that it…
Quantum Hydrodynamics: Kirchhoff Equations
K. V. S. Shiv Chaitanya
In this paper, we show that the Kirchhoff equations are derived from the Schrödinger equation by assuming the wave function to be a polynomial like solution. These Kirchhoff equati…