Publications

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-----------------------------   Published    -----------------------------

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1. Non-local properties of a symmetric two-qubit system

    A. R. Usha Devi, M. S. Uma, R. Prabhu, and Sudha

    Journal of Optics B: Quantum and Semiclassical Optics, Vol. 7, S740-S744 (2005) 

    Links: Journal and arxiv

 2. Local invariants and pairwise entanglement in symmetric multi-qubit system

    A. R. Usha Devi, M. S. Uma, R. Prabhu, and Sudha

    International Journal of Modern Physics B, Vol. 20, 1917-1933  (2006)
 
    Links: Journal and arxiv
 
 3.  Non-classicality of photon added coherent and thermal radiations
 
    A. R. Usha Devi, R. Prabhu, and M. S. Uma
 
    The European Physical Journal D, Vol. 40, 133-138  (2006)
    
    Links: Journal and arxiv
 
4. Constraints on the uncertainties of entangled symmetric qubits
 
    A. R. Usha Devi, M. S. Uma, R. Prabhu, and A. K. Rajagopal
    
    Physics Letters A, Vol. 364, 203-207 (2007) 
 
    Links: Journal and arxiv
 
5. Characterizing multiparticle entanglement in symmetric N-qubit states via negativity of covariance matrices
 
    A. R. Usha Devi, R. Prabhu, and A. K. Rajagopal
 
    Physical Review Letters, Vol. 98, 060501 (2007)
 
    Links: Journal and arxiv

 6. Collective multipole-like signatures of entanglement in symmetric N-qubit systems
 
    A. R. Usha Devi, R. Prabhu, and A. K. Rajagopal
 
    Physical Review A, Vol. 76, 012322 (2007)
 
    Links: Journal and arxiv
 
7. Separability of a family of one parameter W and GHZ multiqubit states using Abe-Rajagopal q-conditional entropy approach

    R. Prabhu, A. R. Usha Devi, and G. Padmanabha

    Physical Review A, Vol. 76, 042337  (2007)
 
    Links: Journal and arxiv
 
8. A scheme for amplification and discrimination of photons

    A. R. Usha Devi, R. Prabhu, and A. K. Rajagopal

    Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 41, 235501 (2008)

    Links: Journal and arxiv

 9. Bounds on covarinaces to test entanglement features in symmetric two-qubit systems

    R. Prabhu

   Physics Teacher, Vol. 51, 09 (2009) 

    Links: pdf

10. Disorder overtakes Order in Information Concentration over Quantum Networks

    R. Prabhu, Saurabh Pradhan, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 84, 042334 (2011)
 
    Links: Journal and arxiv

11. Conditions for Monogamy of Quantum Discord: Monogamous Greenberger-Horne-Zeilinger versus Polygamous W states

    R. Prabhu, Arun Kumar Pati, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 85, 040102(R) (2012)

    Links: Journal and arxiv


12. Characterization of Tripartite Quantum States with Vanishing Monogamy Score

    Manabendra N. Bera, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 86, 012319 (2012) 

    Links: Journal and arxiv

13. Dual quantum correlation paradigms exhibit opposite statistical mechanical properties

    R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 86, 012336 (2012)

    Links: Journal and arxiv


14. Relating monogamy of quantum correlations and multisite entanglement

    R. Prabhu, Arun Kumar Pati, Aditi Sen(De), and Ujjwal Sen

     Physical Review A, Vol. 86, 052337 (2012)

    Links: Journal and arxiv


15. Maximally-dense-coding-capable quantum states

    Rabindra Nepal, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 87, 032336 (2013)

    Links: Journal and arxiv

16. Nonergodic classical correlations lead to ergodic quantum correlations in low-dimensional spin models

    R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Europhysics Letters, Vol. 102, 30001 (2013)

    Links: Journal and  arxiv 


17. Tuning interaction strength leads to ergodic-nonergodic transition of quantum correlations in anisotropic Heisenberg spin model

    Utkarsh MishraR. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 87, 052318 (2013)

    Links: Journal and arxiv

18. Exclusion Principle for Quantum Dense Coding

    R. Prabhu, Arun Kumar Pati, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 87, 052319 (2013)

    Links: Journal and arxiv

19. Genuine Multiparty Quantum Entanglement Suppresses Multiport Classical Information Transmission

    R. Prabhu,  Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 88, 042329 (2013)

    Links: Journal and arxiv

20. Monotonically Increasing Functions of any Quantum Correlation can make all Multiparty States Monogamous

    Salini K., R. Prabhu, Aditi Sen (De), and Ujjwal Sen

    Annals of Physics, Vol. 348, 297-305 (2014)

    Links: Journal and arxiv

21. Multipartite Dense Coding vs. Quantum Correlation: Noise Inverts Relative Capability of Information Transfer

    Tamoghna DasR. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 90, 022319 (2014)

    Links: Journal and arxiv

22. Genuine Multipartite Entanglement Trends in Gapless-gapped Transitions of Quantum Spin Systems

    Anindya Biswas, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 90, 032301 (2014)

    Links: Journal and arxiv

23. Effect of a large Number of Parties on the Monogamy of Quantum Correlations

    Asutosh KumarR. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 91, 012341 (2015)

    Links: Journal and arxiv

24. Distributed Quantum Dense Coding with Two Receivers in Noisy Environments

    Tamoghna Das, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

     Physical Review A, Vol. 92, 052330 (2015) 

    Links: Journal and arxiv

25. Quantum discord length is enhanced while entanglement length is not by introducing disorder in a spin chain

    Debasis Sadhukhan, Sudipto Singha Roy, Debraj Rakshit, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

     Physical Review E, Vol. 93, 012131 (2016)

    Links: Journal and  arxiv

26. Quantum correlations in quenched disordered spin models: Enhanced order from disorder by thermal fluctuations

    Debasis Sadhukhan, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

     Physical Review E, Vol. 93, 032115 (2016)

    Links: Journal and  arxiv

27. Information complementarity in multipartite quantum states and security in cryptography

    Anindita BeraAsutosh Kumar, Debraj Rakshit, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 93, 032338 (2016)

    Links: Journal and arxiv

28. Survival of time-evolved correlations depends on whether quenching is across critical point in XY spin chain

    Utkarsh MishraDebraj Rakshit, and R. Prabhu

    Physical Review A, Vol. 93, 042322 (2016)

    Links: Journal and arxiv

29. Superiority of photon subtraction to addition for entanglement in a multimode squeezed vacuum 

    Tamoghna DasR. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physical Review A, Vol. 93, 052313 (2016)

    Links: Journal and arxiv

30. Constructive Interference Between Disordered Couplings Enhances Multiparty Entanglement in Quantum Heisenberg Spin Glass Models

    Utkarsh MishraDebraj Rakshit, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    New Journal of Physics, Vol. 18, 083044 (2016)

    Links: Journal and  arxiv

31. Conclusive Identification of Quantum Channels via Monogamy of Quantum Correlations

    Asutosh Kumar, Sudipto Singha Roy, Amit Kumar Pal, R. Prabhu, Aditi Sen(De), Ujjwal Sen

    Physics Letters A, Vol. 308, 3588-3594 (2016)

    Links: Journal and arxiv

32. Forbidden Regimes in the Distribution of Bipartite Quantum Correlations due to Multiparty Entanglement

    Asutosh Kumar, Himadri Shekhar Dhar, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    Physics Letters A, Vol. 381, 1701-1709 (2017)

    Links: Journal and arxiv

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-----------------------------   Submitted/arXiv    -----------------------------

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33. Multisite Entanglement acts as a Better Indicator of Quantum Phase Transitions in Spin Models with Three-spin Interactions

    Manabendra N. Bera, R. Prabhu, Aditi Sen(De), and Ujjwal Sen

    arXiv:1209.1523 [quant-ph]

    Links: arxiv

34. Limit on Time-Energy Uncertainty with Multipartite Entanglement

    Manabendra N. BeraR. PrabhuArun Kumar Pati, Aditi Sen(De), and Ujjwal Sen

    arXiv:1303.0706 [quant-ph]

    Links: arxiv

35. Dynamics and steady state properties of entanglement in periodically driven Ising spin-chain

    Utkarsh Mishra, R. Prabhu, and Debraj Rakshit

    arXiv:1711.07769 [quant-ph]

    Links: arxiv