Keshav N Shrivastava's Books

Superconductivity: Elementary Topics

By: Keshav N Shrivastava

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Superconductivity: Elementary Topics

By: Keshav N Shrivastava

This book describes the elementary concepts of superconductivity and discusses the topics of flux-lattice melting, magnetization including the para-Meissner effect, microwave absorption, a.c. resistivity along with the London penetration depth, the Mössbauer effect, levitation, fractals and nuclear magnetic resonance. There are appendices covering superconducting compounds, the isotope effect, symmetries, the pseudogap, relativistic superconductivity, the Cherenkov effect and soft vortices. Also included is an appendix on the quantum Hall effect. In all of the chapters, the theoretical description is supported by experimental data. Several of the topics discussed here cannot be found in the other books on this subject.

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Page Count

379

Publisher

World Scientific

Published Date

ISBN 10

9814492191

ISBN 13

9789814492195

Quantum Hall Effect

Expressions

By: Keshav Narin Shrivastava

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Quantum Hall Effect

Expressions

By: Keshav Narin Shrivastava

This book explains the calculations of Laughlin and Schrieffer and shows how they are modified when the magnetic length is treated properly. The attachment of flux quanta to the electron has been discussed at length and experimental reports are re-examined in the light of variable magnetic length. The angular momentum theory of the Quantum Hall Effect explains the experimental data as is well based on theoretical grounds. An effort is made to compromise the flux-attached electron theory with the angular momentum theory which shows that some of the composite fermions become bosons. The Quantum Hall effect is explained on the basis of angular momentum theory. The importance of the negative spin has been discussed. The considerable amount of literature is reviewed.

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Page Count

452

Publisher

Nova Publishers

Published Date

ISBN 10

1594543992

ISBN 13

9781594543999

Introduction to Quantum Hall Effect

By: Keshav Narin Shrivastava

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Introduction to Quantum Hall Effect

By: Keshav Narin Shrivastava

NMR in quantum Hall effect is described and electronic polarization at half-filled Landau levels is given. Important appendices are provided."--BOOK JACKET.

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Page Count

310

Publisher

Nova Publishers

Published Date

ISBN 10

1590334191

ISBN 13

9781590334195

Renewable Fuels

By: Rajni Kant,Keshav Kant

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Renewable Fuels

By: Rajni Kant,Keshav Kant

Renewable fuels, in the present times, have become important to curb emission of greenhouse gases, which are causing damage to the environment and leading to climatic changes. Ideally, their utilization can be a zero carbon operation. Planting suitable trees on all waste lands and agro forestry on a large scale can fulfil the needs of timber, fuel, fruits, etc. All kinds of lignocellulosic biomass can be converted by several methods to useful liquid fuels like alcohols, biodiesel, methane, renewable diesel and renewable gasoline. Hydrogen can be used as a renewable fuel because of its desirable characteristics and properties for its use as a green fuel.

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Page Count

387

Publisher

CRC Press

Published Date

ISBN 10

1000919366

ISBN 13

9781000919363

Contemporary Environmental Problems in Nepal

Geographic Perspectives

By: Keshav Bhattarai,Dennis Conway

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Contemporary Environmental Problems in Nepal

Geographic Perspectives

By: Keshav Bhattarai,Dennis Conway

This monograph examines contemporary environmental challenges facing Nepal, this landlocked country’s representativeness in the wider South Asian context is both distinct and generalizable. In large part, this is because of its extremes of physiographical structure- plains, hill ranges, mountainous massifs - and wide range of altitudinal terrains, which represent and replicate South Asian and East Asian continental conditions differing as markedly as humid tropical lowlands, sub-tropical hill ranges and temperate to sub-arctic mountainous environments. Associated forest regimes, in which deforestation and reforestation patterns have evolved in recent times, and differing densities of settlement and cleared agricultural landscapes in each of these altitudinal zones, add to the environmental diversity of Nepal. Associated fauna and exotic species are in various states of endangerment especially Bengal tigers, one horned rhinos, wild elephants, crocodile, musk deer, and peasants, to name a few- so that their forested and mountainous habitats as ‘Wild Life Reserves’ also deserve our attention, and are featured in this monograph’s remit.

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Page Count

792

Publisher

Springer Nature

Published Date

ISBN 10

303050168X

ISBN 13

9783030501686

Book's by Keshav N Shrivastava

Superconductivity: Elementary Topics

Superconductivity: Elementary Topics

Quantum Hall Effect

Quantum Hall Effect

Introduction to Quantum Hall Effect

Introduction to Quantum Hall Effect

Renewable Fuels

Renewable Fuels

Contemporary Environmental Problems in Nepal

Contemporary Environmental Problems in Nepal

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