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The Riemann Zeta Function and the Inverted Harmonic Oscillator

✍ Scribed by R.K. Bhaduri; Avinash Khare; S.M. Reimann; E.L. Tomusiak


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
1022 KB
Volume
254
Category
Article
ISSN
0003-4916

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✦ Synopsis


The Riemann zeta function has phase jumps of ? every time it changes sign as the parameter t in the complex argument s=1Γ‚2+it is varied. We show analytically that as the real part of the argument is increased to _>1Γ‚2, the memory of the zeros fades only gradually through a Lorentzian smoothing of the density of the zeros. The corresponding trace formula, for _r1, is of the same form as that generated by a one-dimensional harmonic oscillator in one direction, along with an inverted oscillator in the transverse direction. It is pointed out that Lorentzian smoothing of the level density for more general dynamical systems may be done similarly. The Gutzwiller trace formula for the simple saddle plus oscillator model is obtained analytically, and is found to agree with the quantum result.


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