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Browsing by Author "Pravabati, C"

Browsing by Author "Pravabati, C"

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  • Search for anomalous alignments of structures in planck data using minkowski tensors 
    Joby, P. K; Pravabati, C; Ghosh, T; Vidhya Ganesan; Ravikumar, C. D (IOP Publishing, 2019-01)
    Minkowski Tensors are tensorial generalizations of the scalar Minkowski Functionals. Due to their tensorial nature they contain additional morphological information of structures, in particular about shape and alignment, ...
  • Statistical properties of galactic synchrotron temperature and polarization maps — a multi-frequency comparison 
    Fazlu, Rahman; Pravabati, C; Ghosh, Tuhin (IOP Publishing, 2024-01)
    Understanding the statistical properties of synchrotron emission from our Galaxy is valuable from the perspective of observations targeting signals of cosmological origin, as well as for understanding physical processes ...
  • Tensor Minkowski Functionals for random fields on the sphere 
    Pravabati, C; Yogendran, K. P; Joby, P. K; Vidhya, G; Appleby, S; Park, C (IOP Publishing, 2017-12)
    We generalize the translation invariant tensor-valued Minkowski Functionals which are defined on two-dimensional flat space to the unit sphere. We apply them to level sets of random fields. The contours enclosing ...
  • Tensor Minkowski Functionals: first application to the CMB 
    Vidhya, G; Pravabati, C (IOP Publishing, 2017-05)
    ensor Minkowski Functionals (TMFs) are tensor generalizations of the usual Minkowski Functionals which are scalar quantities. We introduce them here for use in cos- mological analysis, in particular to analyze ...
  • Understanding ghost interference 
    Qureshi, T; Pravabati, C; Shafaq, S (World Scientific Publishing Company, 2016-09)
    The ghost interference observed for entangled photons is theoretically analyzed using wave-packet dynamics. It is shown that ghost interference is a combined effect of virtual double-slit creation due to entanglement, and ...

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