Diagonalizing Quadratic Bosonic Operators by Non-Autonomous Flow Equations (Memoirs of the American Mathematical Society) - Softcover
Synopsis
The authors study a non-autonomous, non-linear evolution equation on the space of operators on a complex Hilbert space. They specify assumptions that ensure the global existence of its solutions and allow them to derive its asymptotics at temporal infinity. They demonstrate that these assumptions are optimal in a suitable sense and more general than those used before. The evolution equation derives from the Brocket-Wegner flow that was proposed to diagonalize matrices and operators by a strongly continuous unitary flow. In fact, the solution of the non-linear flow equation leads to a diagonalization of Hamiltonian operators in boson quantum field theory which are quadratic in the field.
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About the Author
Volker Bach, Technische Universitat Braunschweig, Germany.
Jean-Bernard Bru, Universidad del Pais Vasco, Bilbao, Spain and Basque Foundation for Science, Bilbao, Spain.
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Diagonalizing quadratic bosonic operators by non-autonomous flow equations. Memoirs of the American Mathematical Society; Bd. volume 240, number 1138 (4th of 5 numbers).
Published by
Providence, American Mathematical Society, 2016
ISBN 10: 1470417057
ISBN 13: 9781470417055
Used
Softcover
Seller: Antiquariat Bookfarm, Löbnitz, Germany
Seller rating 5 out of 5 stars
Softcover. Ex-library with stamp and library-signature. GOOD condition, some traces of use. C-03408 9781470417055 Sprache: Englisch Gewicht in Gramm: 550. Seller Inventory # 2489316