Zeta functions for the spectrum of the non-commutative harmonic oscillators

Takashi Ichinose, Masato Wakayama

Research output: Contribution to journalArticlepeer-review

25 Citations (Scopus)


This paper investigates the spectral zeta function of the non-commutative harmonic oscillator studied in [PW1, 2]. It is shown, as one of the basic analytic properties, that the spectral zeta function is extended to a meromorphic function in the whole complex plane with a simple pole at s=1, and further that it has a zero at all non-positive even integers, i.e. at s=0 and at those negative even integers where the Riemann zeta function has the so-called trivial zeros. As a by-product of the study, both the upper and the lower bounds are also given for the first eigenvalue of the non-commutative harmonic oscillator.

Original languageEnglish
Pages (from-to)697-739
Number of pages43
JournalCommunications in Mathematical Physics
Issue number3
Publication statusPublished - Sept 1 2005

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics


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