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Search Results: 1 - 10 of 329 matches for " Sujit Adhikary "
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Vermicompost, the story of organic gold: A review  [PDF]
Sujit Adhikary
Agricultural Sciences (AS) , 2012, DOI: 10.4236/as.2012.37110
Abstract: Earthworm has caught imagination of philosophers like Pascal and Thoreau. Yet its role in the nutrition of agricultural fields has attracted attention of researchers worldwide only in recent decades. Waste management is considered as an integral part of a sustainable society, thereby necessitating diversion of biodegradable fractions of the societal waste from landfill into alternative management processes such as vermicomposting. Earthworms excreta (vermicast) is a nutritive organic fertilizer rich in humus, NPK, micronutrients, beneficial soil microbes; nitrogen-fixing, phosphate solubilizing bacteria, actinomycets and growth hormones auxins, gibberlins & cytokinins. Both vermicompost & its body liquid (vermiwash) are proven as both growth promoters & protectors for crop plants. We discuss about the worms composting technology, its importance, use and some salient results obtained in the globe so far in this review update of vermicompost research.
Perfect Entanglement Transport in Quantum Spin Chain Systems  [PDF]
Sujit Sarkar
Journal of Quantum Information Science (JQIS) , 2011, DOI: 10.4236/jqis.2011.13014
Abstract: We propose a mechanism for perfect entanglement transport in anti-ferromagnetic (AFM) quantum spin chain systems with modulated exchange coupling and also for the modulation of on-site magnetic field. We use the principle of adiabatic quantum pumping process for entanglement transfer in the spin chain systems. We achieve the perfect entanglement transfer over an arbitrarily long distance and a better entanglement transport for longer AFM spin chain system than for the ferromagnetic one. We explain analytically and physically—why the entanglement hops in alternate sites. We find the condition for blocking of entanglement transport even in the perfect pumping situation. Our analytical solution interconnects quantum many body physics and quantum information science.
Consumption Profile of the Socially Excluded People  [PDF]
Maniklal Adhikary, Khokon Sarkar
Modern Economy (ME) , 2012, DOI: 10.4236/me.2012.36098
Abstract: People are excluded when they are not a part of main stream of society in their daily life due to caste, creed, religion and economic condition. This indicates that the socially excluded people are customarily shunned in the zone of employment, community, friends and family. Nobody would deny that many old age people, homeless people, people with aids, people with mental and physical disability, ex-prisoners are said to be at the risk of exclusion. In this paper we have defined excludability in terms of castes, creed, religion, economic conditions and others. We would look into the food security status reflected in consumption profile among those particular categories of people, in terms of their monthly per capita expenditure (MPCE) on both food and non-food items with the help of NSSO 61st round data. Based on goal post index the consumption pattern of the socially excluded people across different states of India has been made evident. We have also tested the Engels law, and it has been found empirically accepted. Contrasted with the situation of other caste people the food security status of the socially excluded people has been found to be placed at all-time low level.
Mathematical Model to Locate Interference of Blast Waves from Multi-Hole Blasting Rounds  [PDF]
Sujit Kumar Mandal
Engineering (ENG) , 2012, DOI: 10.4236/eng.2012.43019
Abstract: Maximum charge per delay in a blasting round is universally accepted as the influencing parameter to quantify magni-tude of vibration for any distance of concern. However, for any blasting round experimental data reveals that for same charge per delay magnitude of vibration varies with total charge. Considering linear transmission of blast waves, the paper firstly investigates into the influence of explosive weight, blast design parameters and geology of strata on magnitude and characteristics of vibration parameters and thereafter communicates that possibly interference of blast waves generated from same and different holes of a blasting round result into variation in vibration magnitude. The paper lastly developed a mathematical model to evaluate points of interference of blast waves generated from single- and multi-hole blasting round.
Assessment of Changes in the Algal Diversity of Chilika Lagoon after Opening of New Mouth to Bay of Bengal  [PDF]
Debabrata Mohanty, Siba Prasad Adhikary
Journal of Water Resource and Protection (JWARP) , 2013, DOI: 10.4236/jwarp.2013.56062
Abstract:

Eighty one algal taxa comprising of 24 species of Cyanophyta, 2 Rhodophyta, 19 Chlorophyta, 6 Euglenophyta and 30 Bacillariophyceae under Heterokontophyta were recorded in Chilika lagoon in different seasons of 2010-2011 in a survey after opening of new mouth to Bay of Bengal. Of these Cyanobacterium diachlloros, Aphanocapsa marina, Microsystis aeruginosa, Microsystis wesenbergii, Pseudanabena limnetica, Arthospira ambiguum, Oscillatoria perornata, Oscillatoria proteus, Oscillatoria simplicissima under Cyanophyta, Scenedesmus bijugatus, Urenema elongatum under Chlorophyata, Trachelomonas abrupt, Trachelomonas hispida under Euglenopyta and Coscinodiscus subtilis, Navicula amphirhynchus, Navicula major,

Existence the Solutions of Some Fifth-Order Kdv Equation by Laplace Decomposition Method  [PDF]
Sujit Handibag, B. D. Karande
American Journal of Computational Mathematics (AJCM) , 2013, DOI: 10.4236/ajcm.2013.31013
Abstract:

In this paper, we develop a method to calculate numerical and approximate solution of some fifth-order Korteweg-de Vries equations with initial condition with the help of Laplace Decomposition Method (LDM). The technique is based on the application of Laplace transform to some fifth-order Kdv equations. The nonlinear term can easily be handled with the help of Adomian polynomials. We illustrate this technique with the help of four examples and results of the present technique have closed agreement with approximate solutions obtained with the help of (LDM).

From the desk of the guest editor
Sengupta Sujit
Indian Journal of Dermatology, Venereology and Leprology , 2008,
Abstract:
Random thoughts on pediatric surgery in India
Chowdhary Sujit
Journal of Indian Association of Pediatric Surgeons , 2008,
Abstract:
Perfect Entanglement Transport in Quantum Spin Chain Systems
Sujit Sarkar
Physics , 2009,
Abstract: We propose a mechanism for perfect entanglement transport in anti-ferromagnetic (AFM) quantum spin chain systems with modulated exchange coupling along the xy plane and in the z direction. We use the principle of adiabatic quantum pumping process for entanglement transfer in the spin chain systems. In our proposed mechanism, perfect entanglement transfer can be achieved over an arbitraly long distance. We explain analytically and physically why the entanglement hops in alternate sites. We solve this problem by using the Berry phase analysis and Abelian bosonization methods. We find the condition for blocking of entanglement transport even in the perfect pumping condition. We also explain physically why entanglement transfer in AFM chain out performs the ferromagnetic chain. Our analytical solution interconnects quantum many body physics and quantum information science.
Adiabatic Cooper-Pair Pumping in a Linear Array of Cooper Pair Boxes
Sujit Sarkar
Physics , 2008, DOI: 10.1103/PhysRevB.80.212505
Abstract: We present a study of adiabatic Cooper pair pumping in one dimensional array of Cooper pair boxes. We do a detailed theoretical analysis of an experimentally realizable stabilized charge pumping scheme in a linear array of Cooper pair boxes. Our system is subjected to synchronized flux and voltage fields and travel along a loop which encloses their critical ground state of the system in the flux-voltage plane. The locking potential in the sine-Gordon model slides and changes its minimum which yields the Cooper pair pumping. Our analytical methods are the Berry phase analysis and Abelian bosonization studies.
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