Non Self Adjoint Schrodinger Operator With A Periodic Potential

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Non-self-adjoint Schrödinger Operator with a Periodic Potential

Author : Oktay Veliev
Publisher :
ISBN 13 : 9783030726843
Total Pages : 0 pages
Book Rating : 4.7/5 (268 download)

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Book Synopsis Non-self-adjoint Schrödinger Operator with a Periodic Potential by : Oktay Veliev

Download or read book Non-self-adjoint Schrödinger Operator with a Periodic Potential written by Oktay Veliev and published by . This book was released on 2021 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a complete spectral analysis of the non-self-adjoint Schrödinger operator with a periodic complex-valued potential. Building from the investigation of the spectrum and spectral singularities and construction of the spectral expansion for the non-self-adjoint Schrödinger operator, the book features a complete spectral analysis of the Mathieu-Schrödinger operator and the Schrödinger operator with a parity-time (PT)-symmetric periodic optical potential. There currently exists no general spectral theorem for non-self-adjoint operators; the approaches in this book thus open up new possibilities for spectral analysis of some of the most important operators used in non-Hermitian quantum mechanics and optics. Featuring detailed proofs and a comprehensive treatment of the subject matter, the book is ideally suited for graduate students at the intersection of physics and mathematics.

Non-self-adjoint Schrödinger Operator with a Periodic Potential

Author : Oktay Veliev
Publisher : Springer Nature
ISBN 13 : 3030726835
Total Pages : 301 pages
Book Rating : 4.0/5 (37 download)

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Book Synopsis Non-self-adjoint Schrödinger Operator with a Periodic Potential by : Oktay Veliev

Download or read book Non-self-adjoint Schrödinger Operator with a Periodic Potential written by Oktay Veliev and published by Springer Nature. This book was released on 2021-06-19 with total page 301 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a complete spectral analysis of the non-self-adjoint Schrödinger operator with a periodic complex-valued potential. Building from the investigation of the spectrum and spectral singularities and construction of the spectral expansion for the non-self-adjoint Schrödinger operator, the book features a complete spectral analysis of the Mathieu-Schrödinger operator and the Schrödinger operator with a parity-time (PT)-symmetric periodic optical potential. There currently exists no general spectral theorem for non-self-adjoint operators; the approaches in this book thus open up new possibilities for spectral analysis of some of the most important operators used in non-Hermitian quantum mechanics and optics. Featuring detailed proofs and a comprehensive treatment of the subject matter, the book is ideally suited for graduate students at the intersection of physics and mathematics.

Non-Selfadjoint Operators in Quantum Physics

Author : Fabio Bagarello
Publisher : John Wiley & Sons
ISBN 13 : 1118855272
Total Pages : 432 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Non-Selfadjoint Operators in Quantum Physics by : Fabio Bagarello

Download or read book Non-Selfadjoint Operators in Quantum Physics written by Fabio Bagarello and published by John Wiley & Sons. This book was released on 2015-09-09 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: A unique discussion of mathematical methods with applications to quantum mechanics Non-Selfadjoint Operators in Quantum Physics: Mathematical Aspects presents various mathematical constructions influenced by quantum mechanics and emphasizes the spectral theory of non-adjoint operators. Featuring coverage of functional analysis and algebraic methods in contemporary quantum physics, the book discusses the recent emergence of unboundedness of metric operators, which is a serious issue in the study of parity-time-symmetric quantum mechanics. The book also answers mathematical questions that are currently the subject of rigorous analysis with potentially significant physical consequences. In addition to prompting a discussion on the role of mathematical methods in the contemporary development of quantum physics, the book features: Chapter contributions written by well-known mathematical physicists who clarify numerous misunderstandings and misnomers while shedding light on new approaches in this growing area An overview of recent inventions and advances in understanding functional analytic and algebraic methods for non-selfadjoint operators as well as the use of Krein space theory and perturbation theory Rigorous support of the progress in theoretical physics of non-Hermitian systems in addition to mathematically justified applications in various domains of physics such as nuclear and particle physics and condensed matter physics An ideal reference, Non-Selfadjoint Operators in Quantum Physics: Mathematical Aspects is useful for researchers, professionals, and academics in applied mathematics and theoretical and/or applied physics who would like to expand their knowledge of classical applications of quantum tools to address problems in their research. Also a useful resource for recent and related trends, the book is appropriate as a graduate-level and/or PhD-level text for courses on quantum mechanics and mathematical models in physics.

Multidimensional Periodic Schrödinger Operator

Author : Oktay Veliev
Publisher : Springer Nature
ISBN 13 : 3031490355
Total Pages : 420 pages
Book Rating : 4.0/5 (314 download)

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Book Synopsis Multidimensional Periodic Schrödinger Operator by : Oktay Veliev

Download or read book Multidimensional Periodic Schrödinger Operator written by Oktay Veliev and published by Springer Nature. This book was released on with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Spectral Analysis of Differential Operators

Author : Fedor S. Rofe-Beketov
Publisher : World Scientific
ISBN 13 : 9812703454
Total Pages : 466 pages
Book Rating : 4.8/5 (127 download)

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Book Synopsis Spectral Analysis of Differential Operators by : Fedor S. Rofe-Beketov

Download or read book Spectral Analysis of Differential Operators written by Fedor S. Rofe-Beketov and published by World Scientific. This book was released on 2005 with total page 466 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first monograph devoted to the Sturm oscillatory theory for infinite systems of differential equations and its relations with the spectral theory. It aims to study a theory of self-adjoint problems for such systems, based on an elegant method of binary relations. Another topic investigated in the book is the behavior of discrete eigenvalues which appear in spectral gaps of the Hill operator and almost periodic SchrAdinger operators due to local perturbations of the potential (e.g., modeling impurities in crystals). The book is based on results that have not been presented in other monographs. The only prerequisites needed to read it are basics of ordinary differential equations and operator theory. It should be accessible to graduate students, though its main topics are of interest to research mathematicians working in functional analysis, differential equations and mathematical physics, as well as to physicists interested in spectral theory of differential operators."

Spectral Operator Theory and Related Topics

Author : Vladimir Aleksandrovich Marchenko
Publisher : American Mathematical Soc.
ISBN 13 : 9780821841228
Total Pages : 300 pages
Book Rating : 4.8/5 (412 download)

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Book Synopsis Spectral Operator Theory and Related Topics by : Vladimir Aleksandrovich Marchenko

Download or read book Spectral Operator Theory and Related Topics written by Vladimir Aleksandrovich Marchenko and published by American Mathematical Soc.. This book was released on 1994 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The collection contains the papers of mathematicians who are participants of the seminar on Mathematical Physics in Kharkov, Ukraine. The papers are mainly devoted to nontraditional problems of spectral theory, of disordered systems, to the spectral aspects of homogenization, and of properties of ergodic dynamical systems."--ABSTRACT.

Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations

Author : Johannes Sjöstrand
Publisher : Springer
ISBN 13 : 3030108198
Total Pages : 496 pages
Book Rating : 4.0/5 (31 download)

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Book Synopsis Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations by : Johannes Sjöstrand

Download or read book Non-Self-Adjoint Differential Operators, Spectral Asymptotics and Random Perturbations written by Johannes Sjöstrand and published by Springer. This book was released on 2019-05-17 with total page 496 pages. Available in PDF, EPUB and Kindle. Book excerpt: The asymptotic distribution of eigenvalues of self-adjoint differential operators in the high-energy limit, or the semi-classical limit, is a classical subject going back to H. Weyl of more than a century ago. In the last decades there has been a renewed interest in non-self-adjoint differential operators which have many subtle properties such as instability under small perturbations. Quite remarkably, when adding small random perturbations to such operators, the eigenvalues tend to distribute according to Weyl's law (quite differently from the distribution for the unperturbed operators in analytic cases). A first result in this direction was obtained by M. Hager in her thesis of 2005. Since then, further general results have been obtained, which are the main subject of the present book. Additional themes from the theory of non-self-adjoint operators are also treated. The methods are very much based on microlocal analysis and especially on pseudodifferential operators. The reader will find a broad field with plenty of open problems.

Localization in Periodic Potentials

Author : Dmitry E. Pelinovsky
Publisher : Cambridge University Press
ISBN 13 : 1139503693
Total Pages : 409 pages
Book Rating : 4.1/5 (395 download)

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Book Synopsis Localization in Periodic Potentials by : Dmitry E. Pelinovsky

Download or read book Localization in Periodic Potentials written by Dmitry E. Pelinovsky and published by Cambridge University Press. This book was released on 2011-10-06 with total page 409 pages. Available in PDF, EPUB and Kindle. Book excerpt: This comprehensive book describes modern methods in the analysis of reduced models of Bose–Einstein condensation in periodic lattices. Aimed at researchers and graduate students working in applied mathematics and physical sciences where nonlinear waves arise, its unique focus is on localized nonlinear waves in periodic potentials and lattices.

Formal and Analytic Solutions of Diff. Equations

Author : Galina Filipuk
Publisher : Springer
ISBN 13 : 3319991485
Total Pages : 274 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Formal and Analytic Solutions of Diff. Equations by : Galina Filipuk

Download or read book Formal and Analytic Solutions of Diff. Equations written by Galina Filipuk and published by Springer. This book was released on 2018-09-24 with total page 274 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings provide methods, techniques, different mathematical tools and recent results in the study of formal and analytic solutions to Diff. (differential, partial differential, difference, q-difference, q-difference-differential.... ) Equations. They consist of selected contributions from the conference "Formal and Analytic Solutions of Diff. Equations", held at Alcalá de Henares, Spain during September 4-8, 2017. Their topics include summability and asymptotic study of both ordinary and partial differential equations. The volume is divided into four parts. The first paper is a survey of the elements of nonlinear analysis. It describes the algorithms to obtain asymptotic expansion of solutions of nonlinear algebraic, ordinary differential, partial differential equations, and of systems of such equations. Five works on formal and analytic solutions of PDEs are followed by five papers on the study of solutions of ODEs. The proceedings conclude with five works on related topics, generalizations and applications. All contributions have been peer reviewed by anonymous referees chosen among the experts on the subject. The volume will be of interest to graduate students and researchers in theoretical and applied mathematics, physics and engineering seeking an overview of the recent trends in the theory of formal and analytic solutions of functional (differential, partial differential, difference, q-difference, q-difference-differential) equations in the complex domain.

Spectral Theory of Random Schrödinger Operators

Author : R. Carmona
Publisher : Springer Science & Business Media
ISBN 13 : 1461244889
Total Pages : 611 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis Spectral Theory of Random Schrödinger Operators by : R. Carmona

Download or read book Spectral Theory of Random Schrödinger Operators written by R. Carmona and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 611 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the seminal work of P. Anderson in 1958, localization in disordered systems has been the object of intense investigations. Mathematically speaking, the phenomenon can be described as follows: the self-adjoint operators which are used as Hamiltonians for these systems have a ten dency to have pure point spectrum, especially in low dimension or for large disorder. A lot of effort has been devoted to the mathematical study of the random self-adjoint operators relevant to the theory of localization for disordered systems. It is fair to say that progress has been made and that the un derstanding of the phenomenon has improved. This does not mean that the subject is closed. Indeed, the number of important problems actually solved is not larger than the number of those remaining. Let us mention some of the latter: • A proof of localization at all energies is still missing for two dimen sional systems, though it should be within reachable range. In the case of the two dimensional lattice, this problem has been approached by the investigation of a finite discrete band, but the limiting pro cedure necessary to reach the full two-dimensional lattice has never been controlled. • The smoothness properties of the density of states seem to escape all attempts in dimension larger than one. This problem is particularly serious in the continuous case where one does not even know if it is continuous.

Waves in Periodic and Random Media

Author : Peter Kuchment
Publisher : American Mathematical Soc.
ISBN 13 : 0821832867
Total Pages : 216 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Waves in Periodic and Random Media by : Peter Kuchment

Download or read book Waves in Periodic and Random Media written by Peter Kuchment and published by American Mathematical Soc.. This book was released on 2003 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: Science and engineering have been great sources of problems and inspiration for generations of mathematicians. This is probably true now more than ever as numerous challenges in science and technology are met by mathematicians. One of these challenges is understanding propagation of waves of different nature in systems of complex structure. This book contains the proceedings of the research conference, ``Waves in Periodic and Random Media''. Papers are devoted to a number of related themes, including spectral theory of periodic differential operators, Anderson localization and spectral theory of random operators, photonic crystals, waveguide theory, mesoscopic systems, and designer random surfaces. Contributions are written by prominent experts and are of interest to researchers and graduate students in mathematical physics.

Floquet Theory for Partial Differential Equations

Author : P.A. Kuchment
Publisher : Birkhäuser
ISBN 13 : 3034885733
Total Pages : 363 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Floquet Theory for Partial Differential Equations by : P.A. Kuchment

Download or read book Floquet Theory for Partial Differential Equations written by P.A. Kuchment and published by Birkhäuser. This book was released on 2012-12-06 with total page 363 pages. Available in PDF, EPUB and Kindle. Book excerpt: Linear differential equations with periodic coefficients constitute a well developed part of the theory of ordinary differential equations [17, 94, 156, 177, 178, 272, 389]. They arise in many physical and technical applications [177, 178, 272]. A new wave of interest in this subject has been stimulated during the last two decades by the development of the inverse scattering method for integration of nonlinear differential equations. This has led to significant progress in this traditional area [27, 71, 72, 111 119, 250, 276, 277, 284, 286, 287, 312, 313, 337, 349, 354, 392, 393, 403, 404]. At the same time, many theoretical and applied problems lead to periodic partial differential equations. We can mention, for instance, quantum mechanics [14, 18, 40, 54, 60, 91, 92, 107, 123, 157-160, 192, 193, 204, 315, 367, 412, 414, 415, 417], hydrodynamics [179, 180], elasticity theory [395], the theory of guided waves [87-89, 208, 300], homogenization theory [29, 41, 348], direct and inverse scattering [175, 206, 216, 314, 388, 406-408], parametric resonance theory [122, 178], and spectral theory and spectral geometry [103 105, 381, 382, 389]. There is a sjgnificant distinction between the cases of ordinary and partial differential periodic equations. The main tool of the theory of periodic ordinary differential equations is the so-called Floquet theory [17, 94, 120, 156, 177, 267, 272, 389]. Its central result is the following theorem (sometimes called Floquet-Lyapunov theorem) [120, 267].

Spectral Theory of Schrodinger Operators

Author : Rafael del Río
Publisher : American Mathematical Soc.
ISBN 13 : 0821832972
Total Pages : 264 pages
Book Rating : 4.8/5 (218 download)

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Book Synopsis Spectral Theory of Schrodinger Operators by : Rafael del Río

Download or read book Spectral Theory of Schrodinger Operators written by Rafael del Río and published by American Mathematical Soc.. This book was released on 2004 with total page 264 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume gathers the articles based on a series of lectures from a workshop held at the Institute of Applied Mathematics of the National University of Mexico. The aim of the book is to present to a non-specialized audience the basic tools needed to understand and appreciate new trends of research on Schrodinger operator theory. Topics discussed include various aspects of the spectral theory of differential operators, the theory of self-adjoint operators, finite rank perturbations, spectral properties of random Schrodinger operators, and scattering theory for Schrodinger operators. The material is suitable for graduate students and research mathematicians interested in differential operators, in particular, spectral theory of Schrodinger operators.

Mathematical Results in Quantum Mechanics

Author : Jaroslav Dittrich
Publisher : Birkhäuser
ISBN 13 : 3034887450
Total Pages : 387 pages
Book Rating : 4.0/5 (348 download)

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Book Synopsis Mathematical Results in Quantum Mechanics by : Jaroslav Dittrich

Download or read book Mathematical Results in Quantum Mechanics written by Jaroslav Dittrich and published by Birkhäuser. This book was released on 2012-12-06 with total page 387 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book constitutes the proceedings of the QMath 7 Conference on Mathematical Results in Quantum Mechanics held in Prague, Czech Republic in June, 1998. The volume addresses mathematicians and physicists interested in contemporary quantum physics and associated mathematical questions, presenting new results on Schrödinger and Pauli operators with regular, fractal or random potentials, scattering theory, adiabatic analysis, and interesting new physical systems such as photonic crystals, quantum dots and wires.

Topics in the Theory of Schrödinger Operators

Author : Huzihiro Araki
Publisher : World Scientific
ISBN 13 : 9789812562470
Total Pages : 296 pages
Book Rating : 4.5/5 (624 download)

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Book Synopsis Topics in the Theory of Schrödinger Operators by : Huzihiro Araki

Download or read book Topics in the Theory of Schrödinger Operators written by Huzihiro Araki and published by World Scientific. This book was released on 2004 with total page 296 pages. Available in PDF, EPUB and Kindle. Book excerpt: This invaluable book presents reviews of some recent topics in thetheory of SchrAdinger operators. It includes a short introduction tothe subject, a survey of the theory of the SchrAdinger equation whenthe potential depends on the time periodically, an introduction to theso-called FBI transformation (also known as coherent state expansion)with application to the semi-classical limit of the S-matrix, anoverview of inverse spectral and scattering problems, and a study ofthe ground state of the PauliOCoFierz model with the use of thefunctional integral. The material is accessible to graduate studentsand non-expert researchers."

Liouville-Riemann-Roch Theorems on Abelian Coverings

Author : Minh Kha
Publisher : Springer Nature
ISBN 13 : 3030674282
Total Pages : 96 pages
Book Rating : 4.0/5 (36 download)

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Book Synopsis Liouville-Riemann-Roch Theorems on Abelian Coverings by : Minh Kha

Download or read book Liouville-Riemann-Roch Theorems on Abelian Coverings written by Minh Kha and published by Springer Nature. This book was released on 2021-02-12 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is devoted to computing the index of elliptic PDEs on non-compact Riemannian manifolds in the presence of local singularities and zeros, as well as polynomial growth at infinity. The classical Riemann–Roch theorem and its generalizations to elliptic equations on bounded domains and compact manifolds, due to Maz’ya, Plameneskii, Nadirashvilli, Gromov and Shubin, account for the contribution to the index due to a divisor of zeros and singularities. On the other hand, the Liouville theorems of Avellaneda, Lin, Li, Moser, Struwe, Kuchment and Pinchover provide the index of periodic elliptic equations on abelian coverings of compact manifolds with polynomial growth at infinity, i.e. in the presence of a "divisor" at infinity. A natural question is whether one can combine the Riemann–Roch and Liouville type results. This monograph shows that this can indeed be done, however the answers are more intricate than one might initially expect. Namely, the interaction between the finite divisor and the point at infinity is non-trivial. The text is targeted towards researchers in PDEs, geometric analysis, and mathematical physics.

Topics in Operator Theory

Author : Joseph A. Ball
Publisher : Springer Science & Business Media
ISBN 13 : 3034601611
Total Pages : 446 pages
Book Rating : 4.0/5 (346 download)

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Book Synopsis Topics in Operator Theory by : Joseph A. Ball

Download or read book Topics in Operator Theory written by Joseph A. Ball and published by Springer Science & Business Media. This book was released on 2011-02-03 with total page 446 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second volume of a collection of original and review articles on recent advances and new directions in a multifaceted and interconnected area of mathematics and its applications. It encompasses many topics in theoretical developments in operator theory and its diverse applications in applied mathematics, physics, engineering, and other disciplines. The purpose is to bring in one volume many important original results of cutting edge research as well as authoritative review of recent achievements, challenges, and future directions in the area of operator theory and its applications.