QUANTUM INFORMATION AND QUANTUM SIMULATIONS | IMSc

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    Recent pre-prints

  1. Quantum walks in polycyclic aromatic hydrocarbons
    Prateek Chawla, C. M. Chandrashekar
  2. Optimal quantum simulation of open quantum systems
    Pragati Gupta, C. M. Chandrashekar
  3. Hyperentanglement-enhanced quantum illumination receiver
    Ashwith Varadaraj Prabhu, Baladitya Suri, C. M. Chandrashekar
  4. Estimation of one-dimensional discrete-time quantum walk parameters by using machine learning algorithms
    Parth Rajauria, Prateek Chawla, C. M. Chandrashekar
  5. Universal quantum computation using single qubit discrete-time quantum walk
    Shivani Singh, Prateek Chawla, Aman Agarwal, Sarvesh Srinivasan, C. M. Chandrashekar
  6. Universal one-dimensional discrete-time quantum walks and their implementation on near term quantum hardware
    Shivani Singh, Cinthia H. Alderete, Radhakrishnan Balu, Christopher Monroe, Norbert M. Linke, C. M. Chandrashekar
  7. Gravitationally induced entanglement between two quantum walkers
    Himanshu Badhani, C. M. Chandrashekar
  8. Computational power of single qubit discrete-time quantum walk
    Shivani Singh, Prateek Chawla, Anupam Sarkar, C. M. Chandrashekar
  9. Interference and correlated coherence in disordered and localized quantum walk
    Shivani Singh, C. M. Chandrashekar
  10. In refereed journals

  11. Digital quantum simulation framework for energy transport in an open quantum systems
    Pragati Gupta, C. M. Chandrashekar
  12. Non-Markovian channel from the reduced dynamics of coin in quantum walk
    Javid Naikoo, Subhashish Banerjee, C. M. Chandrashekar
  13. Quantum direct communication protocols using discrete-time quantum walk
    S. Srikara, C. M. Chandrashekar
  14. Quantum walks and Dirac cellular automata on a programmable trapped-ion quantum computer
    C. Huerta Alderete, Shivani Singh, Nhung H. Nguyen, Daiwei Zhu, Radhakrishnan Balu, Christopher Monroe, C. M. Chandrashekar, Norbert M. Linke
  15. Discrete-time quantum walk algorithm for ranking nodes on a network
    Prateek Chawla, Roopesh Mangal, C. M. Chandrashekar
  16. Quantum percolation in quasicrystals using continuous-time quantum walk
    Prateek Chawla, C. V. Ambarish, C. M. Chandrashekar
  17. Multi-bit quantum random number generator from a single qubit quantum walk
    Anupam Sarkar, C. M. Chandrashekar
  18. Optimal strategies to infer the width of an infinite square well by performing measurements on the particle(s) contained in the well
    Ilaria Pizio, Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris
  19. Accelerated quantum walk, two-particle entanglement generation and localization
    Shivani Singh, Radhakrishnan Balu, Raymond Laflamme, C. M. Chandrashekar
  20. Quantum walker as a probe for its coin parameter
    Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris
  21. Simulating Dirac Hamiltonian in curved space-time by split-step quantum Walk
    Arindam Mallick, Sanjoy Mandal, Anirban Karan, C. M. Chandrashekar
  22. Enhanced non-Markovian behavior in quantum walks with Markovian disorder
    N. Pradeep Kumar, Subhashish Banerjee, C. M. Chandrashekar
  23. Bounds on the dynamics of periodic quantum walks and emergence of gapless and gapped Dirac equation
    N. Pradeep Kumar, Radhakrishna Balu, Raymond Laflamme, C. M. Chandrashekar
  24. Quantum ratchet in disordered quantum walk
    Sagnik Chakraborty, Arpan Das, Arindam Mallick, C. M. Chandrashekar
  25. Dynamics and energy spectra of aperiodic discrete-time quantum walks
    N. Lo Gullo, C. V. Ambarish, Th. Busch, L. Dell'Anna, C. M. Chandrashekar
  26. Neutrino oscillations in discrete-time quantum walk framework
    Arindam Mallick, Sanjoy Mandal, C. M. Chandrashekar
  27. Dirac Quantum Cellular Automaton from Split-step Quantum Walk
    Arindam Mallick, C. M. Chandrashekar
  28. Localization and limit laws of a three-state alternate quantum walk on a two-dimensional lattice
    Takuya Machida, C. M. Chandrashekar
  29. Limit distributions for different forms of four-state quantum walks on a two-dimensional lattice
    T. Machida, C. M. Chandrashekar, N. Konno, Th. Busch
  30. Localized quantum walks as secured quantum memory
    C. M. Chandrashekar, Th. Busch
  31. Quantum percolation and transition point of a directed discrete-time quantum walk
    C. M. Chandrashekar, Th. Busch
  32. Single photons in an imperfect array of beam-splitters: Interplay between percolation, backscattering and transient localization
    C. M. Chandrashekar, S. Melville, Th. Busch
  33. Noise-enhanced quantum transport on a closed loop using quantum walks
    C. M. Chandrashekar, Th. Busch
  34. Two-component Dirac-like Hamiltonian for generating quantum walk on one-, two- and three-dimensional lattices
    C. M. Chandrashekar
  35. Enhancement of Geometric Phase by Frustration of Decoherence: A Parrondo like Effect
    Subhashish Banerjee, C. M. Chandrashekar, Arun K. Pati
  36. Decoherence on a two-dimensional quantum walk using four- and two-state particle
    C. M. Chandrashekar, Th. Busch
  37. Quantum walk on distinguishable non-interacting many-particles and indistinguishable two-particle
    C. M. Chandrashekar, Th. Busch
  38. Hamilton's turns as visual tool-kit for designing of single-qubit unitary gates
    B. Neethi Simon, C. M. Chandrashekar, Sudhavathani Simon
  39. Entanglement generation in spatially separated systems using quantum walk
    C. M. Chandrashekar, Sandeep Goyal, and Subhashish Banerjee
  40. Quantumness of noisy quantum walks : a comparison between measurement-induced disturbance and quantum discord
    Balaji R. Rao, R. Srikanth, C. M. Chandrashekar and Subhashish Banerjee
  41. Parrondo's game using a discrete-time quantum walk
    C. M. Chandrashekar and Subhashish Banerjee
  42. Disordered-quantum-walk-induced localization of a Bose-Einstein condensate
    C. M. Chandrashekar
  43. Zeno subspace in quantum-walk dynamics
    C. M. Chandrashekar
  44. Relationship between quantum walks and relativistic quantum mechanics
    C. M. Chandrashekar, Subhashish Banerjee, and R. Srikanth
  45. Quantumness in decoherent quantum walk using measurement-induced disturbance
    R. Srikanth, Subhashish Banerjee, and C. M. Chandrashekar
  46. Spatial entanglement using quantum walk on a many-body system
    Sandeep K. Goyal and C. M. Chandrashekar
  47. Fractional recurrence in discrete-time quantum walk
    C. M. Chandrashekar
  48. Quantum data bus in dipolar coupled nuclear spin qubits
    Jingfu Zhang, Michael Ditty, Daniel Burgarth, Colm A. Ryan, C. M. Chandrashekar, Martin Laforest, Osama Moussa, Jonathan Baugh, and Raymond Laflamme
  49. Direct observation of quantum criticality in Ising spin chains
    Jingfu Zhang, Fernando M. Cucchietti, C. M. Chandrashekar, Martin Laforest, Colm A. Ryan, Michael Ditty, Adam Hubbard, John K. Gamble, Raymond Laflamme
  50. Symmetry-noise interplay in quantum walk on an n-cycle
    Subhashish Banerjee, R. Srikanth, C. M. Chandrashekar, and Pranaw Rungta
  51. Generic quantum walk using a coin-embedded shift operator
    C. M. Chandrashekar
  52. Quantum phase transition using quantum walks in an optical lattice
    C. M. Chandrashekar and Raymond Laflamme
  53. Optimizing the discrete time quantum walk using a SU(2) coin
    C. M. Chandrashekar, R. Srikanth and Raymond Laflamme
  54. Quantum information processing using nuclear and electron magnetic resonance: review and prospects
    J. Baugh, J. Chamilliard, C. M. Chandrashekar, M. Ditty, A. Hubbard, M. Laforest, D. Maslov, C. Negrevergne, M. Silva, S. Simmons, C. A. Ryan, R. Laflamme, J. S. Hodges, C. Ramanathan, and D. G. Cory
  55. Symmetries and noise in quantum walk
    C. M. Chandrashekar, R. Srikanth, and S. Banerjee
  56. Implementing the one-dimensional quantum (Hadamard) walk using a Bose-Einstein condensate
    C. M. Chandrashekar
  57. Dynamic Manipulation of Bose-Einstein Condensates with a Spatial Light Modulator
    V. Boyer, R. M. Godun, G. Smirne, D. Cassettari, C. M. Chandrashekar, A.B. Deb, Z.J. Laczik and C. J. Foot
  58. Dynamic optical trap generation using FLC SLMs for the manipulation of cold atoms
    V. Boyer, C. M. Chandrashekar, C.J. Foot and Z.J. Laczik

  59. Pre-prints submitted for publication

  60. Entanglement Properties of Localized States in 1D Topological Quantum Walks
    C. M. Chandrashekar, H. Obuse, Th. Busch
  61. Disorder induced localization and enhancement of entanglement in one- and two-dimensional quantum walks
    C. M. Chandrashekar