title: Anomalous incident-angle and elliptical-polarization rotation of an elastically refracted P-wave.
abstract: We report a newly discovered anomalous incident-angle of an elastically refracted P-wave, arising from a P-wave impinging on an interface between two VTI media with strong anisotropy. This anomalous incident-angle is found to be located in the post-critical incident-angle region corresponding to a refracted P-wave. Invoking Snell's law for a refracted P-wave provides two distinctive solutions before and after the anomalous incident-angle. For an inhomogeneously refracted and elliptically polarized P-wave at the anomalous incident-angle, its rotational direction experiences an acute variation, from left-hand elliptical to right-hand elliptical polarization. The new findings provide us an enhanced understanding of acoustical-wave scattering and lead potentially to widespread and novel applications.
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Lin
authors.initials: L
authors.lastname: Fa
authors.affiliation: Kunlun Energy Company Limited, Hongkong 999077, China.
authors.forename: Yuxiao
authors.initials: Y
authors.lastname: Fa
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Yandong
authors.initials: Y
authors.lastname: Zhang
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Pengfei
authors.initials: P
authors.lastname: Ding
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Jiamin
authors.initials: J
authors.lastname: Gong
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Guohui
authors.initials: G
authors.lastname: Li
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Lijun
authors.initials: L
authors.lastname: Li
authors.affiliation: School of Electronic Engineering, Xi'an University of Posts and Telecommunications, Xi'an, Shaanxi 710121, China.
authors.forename: Shaojie
authors.initials: S
authors.lastname: Tang
authors.affiliation: James Franck Institute and Department of Chemistry, The University of Chicago, Chicago, IL 60637, USA.
authors.forename: Meishan
authors.initials: M
authors.lastname: Zhao