17 citations
Counting papers with at most 25 authors, so collaboration author lists do not stand in for the people here.
- Sister Nivedita UniversityIN8 papers
- Indian Institute of Technology BhubaneswarIN4 papers
- Techno India UniversityIN4 papers
- Asutosh CollegeIN2 papers
- Indian Institute of Science Education and Research, BhopalIN2 papers
- National Institute of Technology DurgapurIN2 papers
- Ramakrishna Mission Vivekananda Educational and Research InstituteIN2 papers
- University of CalcuttaIN2 papers
- Ben-Gurion University of the NegevIL1 paper
- Care Institute of Medical SciencesIN1 paper
- College of The BahamasBS1 paper
- Delhi Technological UniversityIN1 paper
20 papers
Coherence thermometry using multipartite quantum systems
Pranav Perumalsamy, Abhijit Mandal, Sovik Roy +1
Accurate temperature measurement at the quantum scale is becoming increasingly important for emerging quantum technologies, motivating the development of quantum thermometry based…
Observational Insights on DBI K-essence Models Using Machine Learning and Bayesian Analysis
Samit Ganguly, Arijit Panda, Eduardo Guendelman +3
We perform a late-time cosmological study; we compare the performance of two Dirac-Born-Infeld (DBI)-type k-essence scalar field extensions of the CDM model to the standard fram…
Brownian-motion approach to statistical mechanics: Langevin equations, fluctuations, and timescales
Sushanta Dattagupta, Aritra Ghosh
We briefly review the problem of Brownian motion and describe some intriguing facets. The problem is first treated in its original form as enunciated by Einstein, Langevin, and oth…
Resilience of Quantum Teleportation Fidelity for Bipartite Mixed States near Schwarzschild and Dilaton Black Holes
Abhijit Mandal, Sovik Roy
We investigate the robustness of quantum teleportation in the presence of strong gravitational fields by analysing bipartite mixed states derived from tripartite GHZ and W-class st…
Stochastic thermodynamics and the Ericsson nano engine -- Efficiency from equilibrium results
Jasleen Kaur, Aritra Ghosh, Sushanta Dattagupta +2
In this work, we study an Ericsson cycle whose working substance is a charged (quantum) oscillator in a magnetic field that is coupled to a heat bath. The resulting quantum Langevi…
Quantum transport under oscillatory drive with disordered amplitude
Vatsana Tiwari, Sushanta Dattagupta, Devendra Singh Bhakuni +1
We investigate the dynamics of non-interacting particles in a one-dimensional tight-binding chain in the presence of an electric field with random amplitude drawn from a Gaussian d…
Dephasing-Induced Distribution of Entanglement in Tripartite Quantum Systems
Sovik Roy, Md. Manirul Ali, Abhijit Mandal +1
Preserving multipartite entanglement amidst decoherence poses a pivotal challenge in quantum information processing. However, assessing multipartite entanglement in mixed states am…
Teleportation of unknown qubit via Star type tripartite states
Anushree Pandey, Abhijit Mandal, Sovik Roy
Eylee Jung \textit{et.al}\cite{jung2008} had conjectured that is a necessary and sufficient condition for the perfect two-party teleportation and consequently…
Form Invariance of Raychaudhuri equation in the presence of Inflaton-type fields
Arijit Panda, Debashis Gangopadhyay, Goutam Manna
We show that the Raychaudhuri equation remains form invariant for certain solutions of scalar fields whose Lagrangian is non-canonical and of the form $\mathcal{L}(X,ϕ)=-V(ϕ)F(…
Weak-coupling limits of the quantum Langevin equation for an oscillator
Aritra Ghosh, Sushanta Dattagupta
The quantum Langevin equation as obtained from the independent-oscillator model describes a strong-coupling situation, devoid of the Born-Markov approximation that is employed in t…
Constraining Cosmological Parameters with Viscous Modified Chaplygin Gas and Generalized Cosmic Chaplygin Gas Models in Horava-Lifshitz Gravity: Utilizing Late-time Datasets
Sayani Maity, Himanshu Chaudhary, Ujjal Debnath +2
This study examines accelerated cosmic expansion using the Viscous Modified Chaplygin Gas (VMMG) and Generalized Cosmic Chaplygin Gas (GCCM) within Horava-Lifshitz gravity. Our aim…
Entanglement preservation in tripartite quantum systems under dephasing dynamics
Chandrashekar Radhakrishnan, Sovik Roy, Ravikumar Chinnarasu +1
Protecting entanglement from decoherence is a critical aspect of quantum information processsing. For many-body quantum systems evolving under decoherence, estimating multipartite…
Independent-oscillator model and the quantum Langevin equation for an oscillator: A review
Aritra Ghosh, Malay Bandyopadhyay, Sushanta Dattagupta +1
This review provides a brief and quick introduction to the quantum Langevin equation for an oscillator, while focusing on the steady-state thermodynamic aspects. A derivation of th…
Exploring quantum properties of bipartite mixed states under coherent and incoherent basis
Sovik Roy, Anushree Bhattacharjee, Chandrashekar Radhakrishnan +2
Quantum coherence and quantum entanglement are two different manifestations of the superposition principle. In this article we show that the right choice of basis to be used to est…
Vaidya Spacetime in Brans-Dicke Gravity's Rainbow
Prabir Rudra, Sayani Maity
In this note we study an energy dependent deformation of a time dependent geometry in the background of Brans-Dicke gravity theory. The study is performed using the gravity's rainb…
Gravitational Baryogenesis in Hoava-Lifshitz gravity
Sayani Maity, Prabir Rudra
In this work we intend to address the matter-antimatter asymmetry via the gravitational baryogenesis mechanism in the background of a quantum theory of gravity. We investigate this…
Operational criterion for controlled dense coding with non-trivial tripartite entangled states
Sovik Roy, Biplab Ghosh, Md. Manirul Ali
In this paper, we provide an operational criterion for controlled dense coding with a general class of three-qubit partially entangled states. A general three-qubit pure entangled…
Teleporting single qutrit using symmetric-anti symmetric two-qutrit basis states as quantum channels
Anushree Pandey, Abhijit Mandal, Sovik Roy
This work presents a deterministic scheme for the teleportation of a single qutrit state, held by the sender Alice, using maximally entangled two-qutrit states as resource channels…
A Trust Based Fuzzy Algorithm for Congestion Control in Wireless Multimedia Sensor Networks (TFCC)
Arpita Chakraborty, Srinjoy Ganguly, Mrinal Kanti Naskar +1
Network congestion has become a critical issue for resource constrained Wireless Sensor Networks (WSNs), especially for Wireless Multimedia Sensor Networks (WMSNs)where large volum…
Optimal quantum communication using multiparticle partially entangled states
Atul Kumar, Satyabrata Adhikari, Subhashish Banerjee +1
Administratively withdrawn.