4.6 Article

Unitary expansion of the time evolution operator

Journal

PHYSICAL REVIEW A
Volume 82, Issue 4, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevA.82.042110

Keywords

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Funding

  1. Basque Government [BF108.211, IT472-10]
  2. Spanish MICINN [FIS2009-12773-C02-01]
  3. SOLID
  4. CNPq
  5. FAPERJ

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We propose an expansion of the unitary evolution operator, associated with a given Schrodinger equation, in terms of a finite product of explicit unitary operators. In this manner, this unitary expansion can be truncated at the desired level of approximation, as shown in the given examples.

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