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Recent pre-prints

1. Quantum walks in polycyclic aromatic hydrocarbons
   Prateek Chawla, C. M. Chandrashekar
   arXiv:2012.14463
2. Optimal quantum simulation of open quantum systems
   Pragati Gupta, C. M. Chandrashekar
   arXiv:2012.07540
3. Hyperentanglement-enhanced quantum illumination receiver
   Ashwith Varadaraj Prabhu, Baladitya Suri, C. M. Chandrashekar
   arXiv:2011.07741
4. Estimation of one-dimensional discrete-time quantum walk parameters by using machine learning algorithms
   Parth Rajauria, Prateek Chawla, C. M. Chandrashekar
   arXiv:2007.04572
5. Universal quantum computation using single qubit discrete-time quantum walk
   Shivani Singh, Prateek Chawla, Aman Agarwal, Sarvesh Srinivasan, C. M. Chandrashekar
   arXiv:2004.05956
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
   arXiv:2001.11197
7. Gravitationally induced entanglement between two quantum walkers
   Himanshu Badhani, C. M. Chandrashekar
   arXiv:1907.06953
8. Computational power of single qubit discrete-time quantum walk
   Shivani Singh, Prateek Chawla, Anupam Sarkar, C. M. Chandrashekar
   arXiv:1907.04084
9. Interference and correlated coherence in disordered and localized quantum walk
   Shivani Singh, C. M. Chandrashekar
   arXiv:1711.06217.

In refereed journals

10. Digital quantum simulation framework for energy transport in an open quantum systems
    Pragati Gupta, C. M. Chandrashekar
    New J. Phys. 22, 123027 (2020)pdf
11. Non-Markovian channel from the reduced dynamics of coin in quantum walk
    Javid Naikoo, Subhashish Banerjee, C. M. Chandrashekar
    Physical Review A 102, 062209 (2020) pdf
12. Quantum direct communication protocols using discrete-time quantum walk
    S. Srikara, C. M. Chandrashekar
    Quantum Information Processing, 19, 295 (2020) pdf
13. 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
    Nature Commununications 11, 3720 (2020)pdf
14. Discrete-time quantum walk algorithm for ranking nodes on a network
    Prateek Chawla, Roopesh Mangal, C. M. Chandrashekar
    Quantum Information Processing 19, 158 (2020) pdf
15. Quantum percolation in quasicrystals using continuous-time quantum walk
    Prateek Chawla, C. V. Ambarish, C. M. Chandrashekar
    J. Phys. Commun. 3, 125004 (2019).pdf
16. Multi-bit quantum random number generator from a single qubit quantum walk
    Anupam Sarkar, C. M. Chandrashekar
    Scientific Reports 9, 12323 (2019). pdf
17. 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
    J. Phys. A: Math. Theor. 52, 265302 (2019). pdf
18. Accelerated quantum walk, two-particle entanglement generation and localization
    Shivani Singh, Radhakrishnan Balu, Raymond Laflamme, C. M. Chandrashekar
    Journal of Physics Communications 3 (5), 055008 (2019).pdf
19. Quantum walker as a probe for its coin parameter
    Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris
    Phys. Rev. A 99, 052117 (2019). pdf
20. Simulating Dirac Hamiltonian in curved space-time by split-step quantum Walk
    Arindam Mallick, Sanjoy Mandal, Anirban Karan, C. M. Chandrashekar
    Journal of Physics Communications 3 (1), 015012 (2019). pdf
21. Enhanced non-Markovian behavior in quantum walks with Markovian disorder
    N. Pradeep Kumar, Subhashish Banerjee, C. M. Chandrashekar
    Scientific Reports 8, 8801 (2018). pdf
22. 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
    Phys. Rev. A 97, 012116 (2018).pdf
23. Quantum ratchet in disordered quantum walk
    Sagnik Chakraborty, Arpan Das, Arindam Mallick, C. M. Chandrashekar
    Annalen der Physik, Volume 529, Issue 8, 1600346 (August 2017).pdf
24. Dynamics and energy spectra of aperiodic discrete-time quantum walks
    N. Lo Gullo, C. V. Ambarish, Th. Busch, L. Dell'Anna, C. M. Chandrashekar
    Phys. Rev. E 96, 012111 (2017).pdf
25. Neutrino oscillations in discrete-time quantum walk framework
    Arindam Mallick, Sanjoy Mandal, C. M. Chandrashekar
    Eur. Phys. J. C (Particles and Fields), 77: 85 (2017).pdf
26. Dirac Quantum Cellular Automaton from Split-step Quantum Walk
    Arindam Mallick, C. M. Chandrashekar
    Scientific Reports 6, 25779 (2016). pdf
27. Localization and limit laws of a three-state alternate quantum walk on a two-dimensional lattice
    Takuya Machida, C. M. Chandrashekar
    Phys. Rev. A 92, 062307 (2015). pdf
28. Limit distributions for different forms of four-state quantum walks on a two-dimensional lattice
    T. Machida, C. M. Chandrashekar, N. Konno, Th. Busch
    Quantum Information and Computation, Vol. 15, No. 13 & 14, 1248 -1258 (2015). pdf
29. Localized quantum walks as secured quantum memory
    C. M. Chandrashekar, Th. Busch
    European Physics Letters 110, 10005 (2015). pdf
    Selected for cover page picture of EPL, April 2016
30. Quantum percolation and transition point of a directed discrete-time quantum walk
    C. M. Chandrashekar, Th. Busch
    Scientific Reports 4, 6583 (2014). pdf
31. Single photons in an imperfect array of beam-splitters: Interplay between percolation, backscattering and transient localization
    C. M. Chandrashekar, S. Melville, Th. Busch
    J. Phys. B: At. Mol. Opt. Phys. 47, 085502 (2014). pdf
32. Noise-enhanced quantum transport on a closed loop using quantum walks
    C. M. Chandrashekar, Th. Busch
    Quantum Information Processing, Volume 13, Issue 6, Pages 1313-1329 (2014). pdf
33. Two-component Dirac-like Hamiltonian for generating quantum walk on one-, two- and three-dimensional lattices
    C. M. Chandrashekar
    Scientific Reports 3, 2829 (2013). pdf
34. Enhancement of Geometric Phase by Frustration of Decoherence: A Parrondo like Effect
    Subhashish Banerjee, C. M. Chandrashekar, Arun K. Pati
    Phys. Rev. A, 87, 042119 (2013). pdf
35. Decoherence on a two-dimensional quantum walk using four- and two-state particle
    C. M. Chandrashekar, Th. Busch
    J. Phys. A: Math. Theor. 46, 105306 (2013). pdf
36. Quantum walk on distinguishable non-interacting many-particles and indistinguishable two-particle
    C. M. Chandrashekar, Th. Busch
    Quantum Information Processing, Volume 11, Issue 5, Pages 1287-1299 (2012). pdf
37. Hamilton's turns as visual tool-kit for designing of single-qubit unitary gates
    B. Neethi Simon, C. M. Chandrashekar, Sudhavathani Simon
    Phys. Rev. A 85, 022323 (2012). pdf
38. Entanglement generation in spatially separated systems using quantum walk
    C. M. Chandrashekar, Sandeep Goyal, and Subhashish Banerjee
    Journal of Quantum Information Sciences, Vol. 2, No.2, pp. 15-22 (2012). pdf
39. 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
    Phys. Rev. A, 83, 064302 (2011). pdf
40. Parrondo's game using a discrete-time quantum walk
    C. M. Chandrashekar and Subhashish Banerjee
    Phys. Lett. A, 375, 1553 (2011). pdf
41. Disordered-quantum-walk-induced localization of a Bose-Einstein condensate
    C. M. Chandrashekar
    Phys. Rev. A, 83, 022320 (2011). pdf
42. Zeno subspace in quantum-walk dynamics
    C. M. Chandrashekar
    Phys. Rev. A, 82, 052108 (2010). pdf
43. Relationship between quantum walks and relativistic quantum mechanics
    C. M. Chandrashekar, Subhashish Banerjee, and R. Srikanth
    Phys. Rev. A, 81, 062340 (2010). pdf
44. Quantumness in decoherent quantum walk using measurement-induced disturbance
    R. Srikanth, Subhashish Banerjee, and C. M. Chandrashekar
    Phys. Rev. A, 81, 062123 (2010). pdf
45. Spatial entanglement using quantum walk on a many-body system
    Sandeep K. Goyal and C. M. Chandrashekar
    J. Phys. A: Math. Theor. 43, 235303 (2010). pdf
46. Fractional recurrence in discrete-time quantum walk
    C. M. Chandrashekar
    Cent. Eur. J. Phys. 8(6), 979-988 (2010). pdf
47. 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
    Phys. Rev. A, 80, 012316 (2009). pdf
48. 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
    Phys. Rev. A, 79, 012305 (2009). pdf
49. Symmetry-noise interplay in quantum walk on an n-cycle
    Subhashish Banerjee, R. Srikanth, C. M. Chandrashekar, and Pranaw Rungta
    Phys. Rev. A, 78, 052316 (2008). pdf
50. Generic quantum walk using a coin-embedded shift operator
    C. M. Chandrashekar
    Phys. Rev. A, 78, 052309 (2008). pdf
51. Quantum phase transition using quantum walks in an optical lattice
    C. M. Chandrashekar and Raymond Laflamme
    Phys. Rev. A, 78, 022314 (2008). pdf
52. Optimizing the discrete time quantum walk using a SU(2) coin
    C. M. Chandrashekar, R. Srikanth and Raymond Laflamme
    Phys. Rev. A, 77, 032326 (2008). pdf
53. 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
    Physics in Canada, Theme Issue - Quantum Computing and Quantum Information, Vol. 63, No. 4, 197-206, Oct.-Dec. 2007. pdf
54. Symmetries and noise in quantum walk
    C. M. Chandrashekar, R. Srikanth, and S. Banerjee
    Phys. Rev. A, 76, 022316 (2007). pdf
55. Implementing the one-dimensional quantum (Hadamard) walk using a Bose-Einstein condensate
    C. M. Chandrashekar
    Phys. Rev. A, 74, 032307 (2006). pdf
56. 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
    Phys. Rev. A, 73, 031402 (R) (2006). pdf
57. 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
    J. Mod. Opt., vol. 51, no. 14, 2235-2240 (2004). pdf



Pre-prints submitted for publication

58. Entanglement Properties of Localized States in 1D Topological Quantum Walks
    C. M. Chandrashekar, H. Obuse, Th. Busch
    arXiv:1502.00436
59. Disorder induced localization and enhancement of entanglement in one- and two-dimensional quantum walks
    C. M. Chandrashekar
    arXiv:1212.5984