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J. Math. Phys. 53, 013302 (2012); http://dx.doi.org/10.1063/1.3677978 (24 pages)

Dispersive estimates for harmonic oscillator systems

Vita Borovyk1 and Robert Sims2

1Department of Mathematical Sciences, University of Cincinnati, Cincinnati, Ohio 45221, USA
2Department of Mathematics, University of Arizona, Tucson, Arizona 85721, USA

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(Received 12 September 2011; accepted 27 December 2011; published online 23 January 2012)

We consider a large class of harmonic systems, each defined as a quasi-free dynamics on the Weyl algebra over 2(mathd). In contrast to recently obtained, short-time locality estimates, known as Lieb-Robinson bounds, we prove a number of long-time dispersive estimates for these models.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. MODELS AND RESULTS
    1. Weyl algebras and a quasi-free dynamics
    2. Harmonic evolutions in infinite volume
    3. Main results
  3. PROOF OF THEOREMS 2.1 AND 2.2
  4. PROOF OF THEOREM 2.3
    1. The main estimates
    2. On the Morse lemma for γ

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KEYWORDS and PACS

PACS

  • 05.20.-y

    Classical statistical mechanics

  • 03.65.Ge

    Solutions of wave equations: bound states

  • 02.10.-v

    Logic, set theory, and algebra

ARTICLE DATA

PUBLICATION DATA

ISSN

0022-2488 (print)  
1089-7658 (online)

For access to fully linked references, you need to log in.
    Bravyi, S., Hastings, M., and Michalakis, S., “Topological quantum order: Stability under local perturbations,” J. Math. Phys. 51, 093512 (2010)JMAPAQ000051000009093512000001.

    Hastings, M., “Lieb-Schultz-Mattis in higher dimensions,” Phys. Rev. B 69, 104431 (2004).


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