Keio University

Presentations

Ohashi, Yoji

261-280 items (total 593)

Strong-coupling properties of an ultracold Fermi gas in the BCS-BEC crossover region and application to neutron-star equation of state

Speaker
Yoji Ohashi
Conference Title
[Conference Category International presentation] Conference Title International Workshop on Bose-Einstein Condensation and related phenomena (IWBECRP) [A tribute to Professor Satyendra Nath Bose on his 125th birth anniversary] Dates 2018.03.28 - 2018.03.28
Invitation Status
With
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (invited, special)

冷却原子気体の強結合理論で探る非対称核物質の超流動相転移

Speaker
田島裕之, Pieter van Wyk, 初田哲男, 大橋洋士
Conference Title
[Conference Category Domestic presentation] Dates 2018.03.25 - 2018.03.25
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

極低温Bose-Fermi混合気体の常流動相における1粒子励起スペクトルの解析

Speaker
真辺 幸喜, 鏡原 大地, 猪谷 太輔, 大橋 洋士
Conference Title
[Conference Category Domestic presentation] Dates 2018.03.23 - 2018.03.23
Invitation Status
Without
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

An overview of the BCS-BEC crossover in a gas of Fermi atoms with a Feshbach resonance

Speaker
OHASHI Yoji
Conference Title
[Conference Category Domestic presentation] Dates 2006.05 - 2006.05
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

First and second sound in the BCS-BEC crossover in a uniform Fermi superfluid gas

Speaker
A.Griffin, E.Taylor and Y.Ohashi
Conference Title
[Conference Category International presentation] Conference Title Annual DAMOP APS meeting(Venue Knoxville, Tennesee) Dates 2006.05.16 - 2006.05.16
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

フェルミ原子ガスにおける渦糸構造とダイナミクス

Speaker
町田昌彦、小山富男、大橋 洋士
Conference Title
[Conference Category Domestic presentation] Dates 2006.03 - 2006.03
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

ボーズ・ハバードモデルにおける超流動-モット絶縁体転移

Speaker
高橋清志、松本秀樹、大橋 洋士
Conference Title
[Conference Category Domestic presentation] Dates 2006.03 - 2006.03
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Condensate fraction and Superfluid density in the BCS-BEC crossover regime of a superfluid Fermi gas

Speaker
Y. Ohashiand N. Fukushima
Conference Title
[Conference Category Domestic presentation] Dates 2006.03 - 2006.03
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Poster presentation

Vortex Structure and Dynamics in Fermi Superfluid Gas

Speaker
M. Machida, T. Koyama, and Y. Ohashi
Conference Title
[Conference Category International presentation] Conference Title APS March Meeting(Venue Baltimore, MD, US) Dates 2006.03 - 2006.03
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (general)

Spin-polarized Fermi superfluids as Bose-Fermi mixtures

Speaker
E. Taylor, A. Griffin. Y. Ohashi
Conference Title
[Conference Category International presentation] Conference Title 6th Internationa Conference, STRIPES08(Venue Erice, Sicily, Italy) Dates 2008.07 - 2008.07
Invitation Status
With
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (invited, special)

Stripe Formation in Fermionic Atoms on 2-D Optical Lattice : DMRG Studies for Repulsive Hubbard Ladders

Speaker
M. Machida, M. Okumura, S.Yamada, Y. Ohashi
Conference Title
[Conference Category International presentation] Conference Title 6th Internationa Conference, STRIPES08(Venue Erice, Sicily, Italy) Dates 2008.07 - 2008.07
Invitation Status
With
Presentation Format
International presentation
Language of Publication
English
Conference Category
Oral presentation (invited, special)

Bogoliubov励起のトンネル問題における準粒子流の異常な増加

Speaker
土屋俊二、大橋洋士
Conference Title
[Conference Category Domestic presentation] Conference Title 「超伝導新奇応用のためのマルチスケールマルチフィジクスシミュレーション基盤構築」CRESTワークショップ2008 Dates 2008.05.24 - 2008.05.24
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

極低温希薄原子気体の超流動状態の研究の現状

Speaker
大橋洋士
Conference Title
[Conference Category Domestic presentation] Conference Title 「超伝導新奇応用のためのマルチスケールマルチフィジクスシミュレーション基盤構築」CRESTワークショップ2008 Dates 2008.05.24 - 2008.05.24
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

Bose凝縮体における準粒子のトンネル効果

Speaker
土屋俊二、大橋洋士
Conference Title
[Conference Category Domestic presentation] Dates 2008.04.30 - 2008.04.30
Invitation Status
With
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Public lecture, seminar, tutorial, course, or other speech

BECにおける準粒子カレントの異常な増加と誘起された Josephsonカレ ント

Speaker
土屋俊二、大橋洋士
Conference Title
[Conference Category Domestic presentation] Dates 2008.04.22 - 2008.04.22
Invitation Status
With
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Public lecture, seminar, tutorial, course, or other speech

光学格子中のフェルミ原子ガス超流動のBCS-BECクロスオーバー領域における超流動揺らぎと密度揺らぎの競合

Speaker
大橋洋士、玉置洋正、三宅和正
Conference Title
[Conference Category Domestic presentation] Conference Title 第5回、「超伝導ナノサイエンスと応用」研究会 Dates 2008.03.27 - 2008.03.27
Invitation Status
With
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (invited, special)

フェルミ原子ガス超流動におけるBCS-BECクロスオーバー

Speaker
大橋洋士
Conference Title
[Conference Category Domestic presentation] Conference Title 日本物理学会(63回年次大会) Dates 2008.03.24 - 2008.03.24
Invitation Status
With
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (invited, special)

位相差のあるBose凝縮体間の異常トンネル現象

Speaker
土屋俊二,大橋洋士
Conference Title
[Conference Category Domestic presentation] Conference Title 日本物理学会(63回年次大会) Dates 2008.03.23 - 2008.03.23
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

スピン偏極した超流動フェルミ気体の強結合領域における繰り込み群解析

Speaker
高橋剛、大橋洋士
Conference Title
[Conference Category Domestic presentation] Conference Title 日本物理学会(63回年次大会) Dates 2008.03.23 - 2008.03.23
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)

二次元光学格子中のフェルミオン原子が作る反強磁性相

Speaker
町田昌彦,奥村雅彦,山田進,大橋洋士,松本秀樹
Conference Title
[Conference Category Domestic presentation] Conference Title 日本物理学会(63回年次大会) Dates 2008.03.23 - 2008.03.23
Presentation Format
Domestic presentation
Language of Publication
Japanese
Conference Category
Oral presentation (general)