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Seeley–DeWitt expansion of scattering phase shift
In this paper, we use the Seeley–DeWitt expansion of heat kernel method in quantum field theory to give an explicit expression of the perturbation expansion for the scattering phase shift for three-dimensional spherically symmetric potential scattering in quantum mechanics. The spectral function is...
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Published in: | European physical journal plus 2022-10, Vol.137 (10), p.1140, Article 1140 |
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description | In this paper, we use the Seeley–DeWitt expansion of heat kernel method in quantum field theory to give an explicit expression of the perturbation expansion for the scattering phase shift for three-dimensional spherically symmetric potential scattering in quantum mechanics. The spectral function is defined by the eigenproblem of an operator, and the spectral functions are related by transforms. The heat kernel and the scattering phase shift are both spectral functions of the Hamiltonian. By a transform between the heat kernel and the scattering phase shift, we convert the Seeley–DeWitt expansion of heat kernels to an expansion of scattering phase shifts up to the first two orders. |
doi_str_mv | 10.1140/epjp/s13360-022-03380-5 |
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The spectral function is defined by the eigenproblem of an operator, and the spectral functions are related by transforms. The heat kernel and the scattering phase shift are both spectral functions of the Hamiltonian. 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Chen, Yu-Jie ; Li, Shi-Lin ; Li, Wen-Du ; Dai, Wu-Sheng</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c264t-3486e201b27cfc1bb416bfd1fd70a4a38d291b846871f1d59b98c7e6c9d194293</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Applied and Technical Physics</topic><topic>Approximation</topic><topic>Atomic</topic><topic>Black holes</topic><topic>Complex Systems</topic><topic>Condensed Matter Physics</topic><topic>Eigenvalues</topic><topic>Hamiltonian functions</topic><topic>Mathematical and Computational Physics</topic><topic>Methods</topic><topic>Molecular</topic><topic>Operators (mathematics)</topic><topic>Optical and Plasma Physics</topic><topic>Phase shift</topic><topic>Physics</topic><topic>Physics and Astronomy</topic><topic>Quantum field theory</topic><topic>Quantum mechanics</topic><topic>Quantum theory</topic><topic>Regular Article</topic><topic>Scattering</topic><topic>Statistical mechanics</topic><topic>Theoretical</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Yuan-Yuan</creatorcontrib><creatorcontrib>Chen, Yu-Jie</creatorcontrib><creatorcontrib>Li, Shi-Lin</creatorcontrib><creatorcontrib>Li, Wen-Du</creatorcontrib><creatorcontrib>Dai, Wu-Sheng</creatorcontrib><collection>CrossRef</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies & Aerospace Database (1962 - current)</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Earth, Atmospheric & Aquatic Science Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection (Proquest) (PQ_SDU_P3)</collection><collection>ProQuest Advanced Technologies & Aerospace Database</collection><collection>ProQuest Advanced Technologies & Aerospace Collection</collection><collection>ProQuest Earth, Atmospheric & Aquatic Science Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><jtitle>European physical journal plus</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Liu, Yuan-Yuan</au><au>Chen, Yu-Jie</au><au>Li, Shi-Lin</au><au>Li, Wen-Du</au><au>Dai, Wu-Sheng</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Seeley–DeWitt expansion of scattering phase shift</atitle><jtitle>European physical journal plus</jtitle><stitle>Eur. Phys. J. Plus</stitle><date>2022-10-17</date><risdate>2022</risdate><volume>137</volume><issue>10</issue><spage>1140</spage><pages>1140-</pages><artnum>1140</artnum><issn>2190-5444</issn><eissn>2190-5444</eissn><abstract>In this paper, we use the Seeley–DeWitt expansion of heat kernel method in quantum field theory to give an explicit expression of the perturbation expansion for the scattering phase shift for three-dimensional spherically symmetric potential scattering in quantum mechanics. The spectral function is defined by the eigenproblem of an operator, and the spectral functions are related by transforms. The heat kernel and the scattering phase shift are both spectral functions of the Hamiltonian. 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subjects | Applied and Technical Physics Approximation Atomic Black holes Complex Systems Condensed Matter Physics Eigenvalues Hamiltonian functions Mathematical and Computational Physics Methods Molecular Operators (mathematics) Optical and Plasma Physics Phase shift Physics Physics and Astronomy Quantum field theory Quantum mechanics Quantum theory Regular Article Scattering Statistical mechanics Theoretical |
title | Seeley–DeWitt expansion of scattering phase shift |
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