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PUBLICATIONS

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Recent pre-prints

1. The quantum walker probes her coin parameter
   Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris
   arXiv:1901.00614
2. Accelerated quantum walk, two-particle entanglement generation and localization
   Shivani Singh, Radhakrishnan Balu, Raymond Laflamme, C. M. Chandrashekar
   arXiv:1810.02754
3. Multi-bit quantum random number generator from a single qubit quantum walk
   Anupam Sarkar, C. M. Chandrashekar
   arXiv:1809.08182
4. Quantum probes for quantum wells
   Ilaria Pizio, Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris
   arXiv:1808.06757
5. Interference and correlated coherence in disordered and localized quantum walk
   Shinvani Singh, C. M. Chandrashekar
   arXiv:1711.06217.

In refereed journals

6. Simulating Dirac Hamiltonian in curved space-time by split-step quantum Walk
   Arindam Mallick, Sanjoy Mandal, Anirban Karan, C. M. Chandrashekar
   J. Phys. Commun. 3, 015012 (2019). pdf
7. Enhanced non-Markovian behavior in quantum walks with Markovian disorder
   N. Pradeep Kumar, Subhashish Banerjee, C. M. Chandrashekar
   Scientific Reports 8, 8801 (2018). pdf
8. 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
9. 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
10. 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
11. 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
12. Dirac Quantum Cellular Automaton from Split-step Quantum Walk
    Arindam Mallick, C. M. Chandrashekar
    Scientific Reports 6, 25779 (2016). pdf
13. 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
14. 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
15. 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
16. Quantum percolation and transition point of a directed discrete-time quantum walk
    C. M. Chandrashekar, Th. Busch
    Scientific Reports 4, 6583 (2014). pdf
17. 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
18. 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
19. 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
20. 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
21. 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
22. 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
23. 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
24. 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
25. 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
26. Parrondo's game using a discrete-time quantum walk
    C. M. Chandrashekar and Subhashish Banerjee
    Phys. Lett. A, 375, 1553 (2011). pdf
27. Disordered-quantum-walk-induced localization of a Bose-Einstein condensate
    C. M. Chandrashekar
    Phys. Rev. A, 83, 022320 (2011). pdf
28. Zeno subspace in quantum-walk dynamics
    C. M. Chandrashekar
    Phys. Rev. A, 82, 052108 (2010). pdf
29. Relationship between quantum walks and relativistic quantum mechanics
    C. M. Chandrashekar, Subhashish Banerjee, and R. Srikanth
    Phys. Rev. A, 81, 062340 (2010). pdf
30. Quantumness in decoherent quantum walk using measurement-induced disturbance
    R. Srikanth, Subhashish Banerjee, and C. M. Chandrashekar
    Phys. Rev. A, 81, 062123 (2010). pdf
31. 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
32. Fractional recurrence in discrete-time quantum walk
    C. M. Chandrashekar
    Cent. Eur. J. Phys. 8(6), 979-988 (2010). pdf
33. 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
34. 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
35. 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
36. Generic quantum walk using a coin-embedded shift operator
    C. M. Chandrashekar
    Phys. Rev. A, 78, 052309 (2008). pdf
37. Quantum phase transition using quantum walks in an optical lattice
    C. M. Chandrashekar and Raymond Laflamme
    Phys. Rev. A, 78, 022314 (2008). pdf
38. 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
39. 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
40. Symmetries and noise in quantum walk
    C. M. Chandrashekar, R. Srikanth, and S. Banerjee
    Phys. Rev. A, 76, 022316 (2007). pdf
41. Implementing the one-dimensional quantum (Hadamard) walk using a Bose-Einstein condensate
    C. M. Chandrashekar
    Phys. Rev. A, 74, 032307 (2006). pdf
42. 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
43. 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

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