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

Kebukawa, Takeji; Sasaki, Shosuke

Progress of Theoretical Physics, 1981, 65(6), 1798-1819

アクセス数:297件（2025-07-06 07:33 集計）

固定URL: https://hdl.handle.net/11094/27280

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タイトル
One-Dimensional Many Boson System. III : Unitary Transformation and Exactly Dressed Bose Particle
著者
著者名
Kebukawa, Takeji
NRID
1000060029717 1000060029717
著者名
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.
出版者
Oxford University Press
収録物名
Progress of Theoretical Physics
巻(号)
65(6)
ページ
1798-1819
刊行年月
1981-06
言語
英語
ハンドルURL
https://hdl.handle.net/11094/27280
PISSN
0033068X
NCID
AA00791455
関連情報 (references)
URI
http://ptp.oxfordjournals.org/content/65/6/1798.abstract
関連情報 (isIdenticalTo)
DOI (出版社版)
https://doi.org/10.1143/PTP.65.1798
アクセス権
open access
出版タイプ
Version of Record
カテゴリ
学術雑誌論文 Journal Article