One-Dimensional Many Boson System. III : Unitary Transformation and Exactly Dressed Bose Particle

Kebukawa, Takeji; Sasaki, Shosuke

doi:info:doi/10.1143/PTP.65.1798

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タイトル	One-Dimensional Many Boson System. III : Unitary Transformation and Exactly Dressed Bose Particle
著者	Kebukawa, Takeji Kebukawa, Takeji
著者	Sasaki, Shosuke Sasaki, Shosuke
抄録	A unitary operator, which transforms free states into the exact eigenstates for a one-dimensional many boson system with repulsive delta-function potential, is explicitly constructed. By the unitary operator, original bare creation and annihilation operators are transformed into new operators which are shown to create or annihilate the exactly dressed bosons with the interaction cloud. The total Hamiltonian, total number and total momentum in the system are expressed in the diagonalized form in terms of the dressed operators. It is shown that the exact ground state is the condensed state of all exactly dressed bosons with zero momentum.
公開者	Oxford University Press
掲載誌名	Progress of Theoretical Physics
巻	65
号	6
開始ページ	1798
終了ページ	1819
刊行年月	1981-06
ISSN	0033068X
NCID	AA00791455
DOI	info:doi/10.1143/PTP.65.1798
URL	http://hdl.handle.net/11094/27280
関連情報 (references)	http://ptp.oxfordjournals.org/content/65/6/1798.abstract
言語	英語

著者版フラグ	publisher
NII資源タイプ	学術雑誌論文
ローカル資源タイプ	学術雑誌論文
dcmi資源タイプ	text
DCTERMS.bibliographicCitation	Progress of Theoretical Physics.65(6) P.1798-P.1819
DC.title	One-Dimensional Many Boson System. III : Unitary Transformation and Exactly Dressed Bose Particle
DC.creator	Kebukawa, Takeji
DC.creator	Sasaki, Shosuke
DC.publisher	Oxford University Press
DC.language" scheme="DCTERMS.RFC1766	英語
DCTERMS.issued" scheme="DCTERMS.W3CDTF	1981-06
DC.identifier	info:doi/10.1143/PTP.65.1798
DC.identifier" scheme="DCTERMS.URI	http://hdl.handle.net/11094/27280
DCTERMS.abstract	A unitary operator, which transforms free states into the exact eigenstates for a one-dimensional many boson system with repulsive delta-function potential, is explicitly constructed. By the unitary operator, original bare creation and annihilation operators are transformed into new operators which are shown to create or annihilate the exactly dressed bosons with the interaction cloud. The total Hamiltonian, total number and total momentum in the system are expressed in the diagonalized form in terms of the dressed operators. It is shown that the exact ground state is the condensed state of all exactly dressed bosons with zero momentum.
citation_title	One-Dimensional Many Boson System. III : Unitary Transformation and Exactly Dressed Bose Particle
citation_author	Kebukawa, Takeji
citation_author	Sasaki, Shosuke
citation_publisher	Oxford University Press
citation_language	英語
citation_date	1981-06
citation_journal_title	Progress of Theoretical Physics
citation_volume	65
citation_issue	6
citation_firstpage	1798
citation_lastpage	1819
citation_issn	0033068X
citation_doi	info:doi/10.1143/PTP.65.1798
citation_public_url	http://hdl.handle.net/11094/27280

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