2022 Volume 74 Issue 4 Pages 1107-1168
Our purpose is to show the existence of a CalabiโYau structure on the punctured cotangent bundle ๐*0(๐2๐) of the Cayley projective plane ๐2๐ and to construct a Bargmann type transformation from a space of holomorphic functions on ๐*0(๐2๐) to ๐ฟ2-space on ๐2๐. The space of holomorphic functions corresponds to the Fock space in the case of the original Bargmann transformation. A Kรคhler structure on ๐*0(๐2๐) was given by identifying it with a quadric in the complex space โ27 โ{0} and the natural symplectic form of the cotangent bundle ๐*0(๐2๐) is expressed as a Kรคhler form. Our construction of the transformation is the pairing of polarizations, one is the natural Lagrangian foliation given by the projection map ๐ : ๐*0(๐2๐) โ ๐2๐ and the other is the polarization given by the Kรคhler structure.
The transformation gives a quantization of the geodesic flow in terms of one parameter group of elliptic Fourier integral operators whose canonical relations are defined by the graph of the geodesic flow action at each time. It turns out that for the Cayley projective plane the results are not same with other cases of the original Bargmann transformation for Euclidean space, spheres and other projective spaces.
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