QUANTUM
INFORMATION AND QUANTUM SIMULATIONS  IMSc


PUBLICATIONS
[arxiv]
[Google Scholar] [ORCiD]
Recent preprints

The quantum walker probes her coin parameter
Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris

Accelerated quantum walk, twoparticle entanglement generation and localization
Shivani Singh, Radhakrishnan Balu, Raymond Laflamme, C. M. Chandrashekar

Multibit quantum random number generator from a single qubit quantum walk
Anupam Sarkar, C. M. Chandrashekar

Quantum probes for quantum wells
Ilaria Pizio, Shivani Singh, C. M. Chandrashekar, Matteo G. A. Paris

Interference and correlated coherence in disordered and localized quantum walk
Shinvani Singh, C. M. Chandrashekar
In refereed journals

Simulating Dirac Hamiltonian in curved spacetime by splitstep quantum Walk
Arindam Mallick, Sanjoy Mandal, Anirban Karan, C. M. Chandrashekar
arXiv:1712.03911 accepted for publication in Journal of Physics Communication (2019)

Enhanced nonMarkovian behavior in quantum walks with Markovian disorder
N. Pradeep Kumar, Subhashish Banerjee, C. M. Chandrashekar

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

Quantum ratchet in disordered quantum walk
Sagnik Chakraborty, Arpan Das, Arindam Mallick, C. M. Chandrashekar

Dynamics and energy spectra of aperiodic discretetime quantum walks
N. Lo Gullo, C. V. Ambarish, Th. Busch, L. Dell'Anna, C. M. Chandrashekar

Neutrino oscillations in discretetime quantum walk framework
Arindam Mallick, Sanjoy Mandal, C. M. Chandrashekar

Dirac Quantum Cellular Automaton from Splitstep Quantum Walk
Arindam Mallick, C. M. Chandrashekar

Localization and limit laws of a threestate alternate quantum walk on a twodimensional lattice
Takuya Machida, C. M. Chandrashekar

Limit distributions for
different forms of
fourstate quantum walks on a twodimensional lattice
T. Machida, C. M. Chandrashekar,
N. Konno, Th.
Busch

Localized quantum walks as
secured quantum
memory
C. M. Chandrashekar, Th. Busch

Quantum percolation and
transition point of a
directed discretetime quantum walk
C. M. Chandrashekar, Th. Busch

Single photons in an imperfect
array of
beamsplitters: Interplay between percolation, backscattering and
transient localization
C. M. Chandrashekar, S.
Melville, Th. Busch

Noiseenhanced quantum transport
on a closed
loop using quantum walks
C. M. Chandrashekar, Th. Busch

Twocomponent Diraclike
Hamiltonian for
generating quantum walk on one, two and threedimensional lattices
C. M. Chandrashekar

Enhancement of Geometric Phase
by Frustration
of Decoherence: A Parrondo like Effect
Subhashish Banerjee, C. M.
Chandrashekar, Arun
K. Pati

Decoherence on a twodimensional
quantum walk
using four and twostate particle
C. M. Chandrashekar, Th. Busch

Quantum walk on distinguishable
noninteracting manyparticles and indistinguishable twoparticle
C. M. Chandrashekar, Th. Busch

Hamilton's turns as visual
toolkit for
designing of singlequbit unitary gates
B. Neethi Simon, C. M.
Chandrashekar,
Sudhavathani Simon

Entanglement generation in
spatially separated
systems using quantum walk
C. M. Chandrashekar, Sandeep
Goyal, and
Subhashish Banerjee

Quantumness of noisy quantum
walks : a
comparison between measurementinduced disturbance and quantum discord
Balaji R. Rao, R. Srikanth, C.
M.
Chandrashekar and Subhashish Banerjee

Parrondo's game using a
discretetime quantum
walk
C. M. Chandrashekar and
Subhashish Banerjee

Disorderedquantumwalkinduced
localization
of a BoseEinstein condensate
C. M. Chandrashekar

Zeno subspace in quantumwalk
dynamics
C. M. Chandrashekar

Relationship between quantum
walks and
relativistic quantum mechanics
C. M. Chandrashekar, Subhashish
Banerjee, and
R. Srikanth

Quantumness in decoherent
quantum walk using
measurementinduced disturbance
R. Srikanth, Subhashish
Banerjee, and C. M.
Chandrashekar

Spatial entanglement using
quantum walk on a
manybody system
Sandeep K. Goyal and C. M.
Chandrashekar

Fractional recurrence in
discretetime quantum
walk
C. M. Chandrashekar

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

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

Symmetrynoise interplay in
quantum walk on an
ncycle
Subhashish Banerjee, R.
Srikanth, C. M.
Chandrashekar, and Pranaw Rungta

Generic quantum walk using a
coinembedded
shift operator
C. M. Chandrashekar

Quantum phase transition using
quantum walks
in an optical lattice
C. M. Chandrashekar and Raymond
Laflamme

Optimizing the discrete time
quantum walk
using a SU(2) coin
C. M. Chandrashekar, R.
Srikanth and Raymond
Laflamme

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

Symmetries and noise in quantum
walk
C. M. Chandrashekar, R.
Srikanth, and S.
Banerjee

Implementing the onedimensional
quantum
(Hadamard) walk using a BoseEinstein condensate
C. M. Chandrashekar

Dynamic Manipulation of
BoseEinstein
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

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
Preprints submitted for publication

Entanglement Properties of
Localized States in
1D Topological Quantum Walks
C. M. Chandrashekar, H. Obuse,
Th. Busch

Disorder induced localization
and enhancement
of entanglement in one and twodimensional quantum walks
C. M. Chandrashekar



