Diagonalizing quadratic bosonic operators by non-autonomous flow equations. Memoirs of the American Mathematical Society; Bd. volume 240, number 1138 (4th of 5 numbers).
Bach, Volker; Bru, Jean-bernard
ISBN 10: 1470417057 ISBN 13: 9781470417055
Published by Providence, American Mathematical Society, 2016
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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
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.
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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Bibliographic Details
Title: Diagonalizing quadratic bosonic operators by...
Publisher: Providence, American Mathematical Society
Publication Date: 2016
Binding: Softcover
Condition: Gut
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